[Historical Tables]
[Section 13 - Social Security and Medicare]
[Table 13.1 - Cash Income, Outgo, and Balances of the Social Security and Medicare Trust Funds: 1936-2005]
[From the U.S. Government Publishing Office, www.gpo.gov]


[[Page 258]]

 
                         Table 13.1--CASH INCOME, OUTGO, AND BALANCES OF THE SOCIAL SECURITY AND MEDICARE TRUST FUNDS: 1936-2005
                                                                (in millions of dollars)
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                                        1936      1937      1938      1939      1940      1941      1942      1943      1944      1945
--------------------------------------------------------------------------------------------------------------------------------------------------------
Old age and survivors insurance fund:
  Cash income:
    Social insurance and retirement receipts........  ........       265       387       503       550       688       896     1,130     1,292     1,310
    Intragovernmental receipts:
       Interest (903)...............................  ........         2        15        27        42        56        71        87       103       124
                                                     ---------------------------------------------------------------------------------------------------
         Total cash income..........................  ........       267       402       530       592       744       967     1,218     1,395     1,434
                                                     ===================================================================================================
  Cash outgo:
     Benefit payments...............................  ........         *         5        14        16        64       110       149       185       240
     Administrative expenses........................  ........  ........  ........  ........        12        27        27        27        33        27
                                                     ---------------------------------------------------------------------------------------------------
         Total cash outgo...........................  ........         *         5        14        28        91       137       177       217       267
                                                     ===================================================================================================
   Surplus or deficit (-)...........................  ........       267       397       516       564       653       830     1,041     1,178     1,167
   Fund balance, end of year........................  ........       267       664     1,180     1,745     2,398     3,227     4,268     5,446     6,613
                                                     ===================================================================================================
   Invested balance.................................  ........       267       662     1,177     1,738     2,381     3,202     4,237     5,409     6,546
   Uninvested balance...............................  ........         *         2         3         7        17        26        31        38        67
--------------------------------------------------------------------------------------------------------------------------------------------------------
See footnotes at end of table.


                   Table 13.1--CASH INCOME, OUTGO, AND BALANCES OF THE SOCIAL SECURITY AND MEDICARE TRUST FUNDS: 1936-2005--Continued
                                                                (in millions of dollars)
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                                        1946      1947      1948      1949      1950      1951      1952      1953      1954      1955
--------------------------------------------------------------------------------------------------------------------------------------------------------
Old age and survivors insurance fund:
  Cash income:
    Social insurance and retirement receipts........     1,238     1,459     1,616     1,690     2,106     3,120     3,594     4,097     4,589     5,081
    Intragovernmental receipts:
      Employer share, employee retirement (952).....  ........  ........  ........  ........  ........  ........  ........  ........         1         6
       Interest (903)...............................       148       163       191       230       257       287       334       387       439       438
       Other........................................  ........         *         1         3         4         4         4  ........        12        10
                                                     ---------------------------------------------------------------------------------------------------
        Total intragovernmental receipts............       148       164       191       233       260       291       337       387       452       454
     Other cash income..............................  ........  ........  ........  ........  ........  ........         *         *         *         *
                                                     ---------------------------------------------------------------------------------------------------
         Total cash income..........................     1,386     1,623     1,807     1,924     2,367     3,411     3,932     4,483     5,040     5,535
                                                     ===================================================================================================
  Cash outgo:
     Benefit payments...............................       321       426       512       607       727     1,498     1,982     2,627     3,276     4,333
     Administrative expenses........................        37        41        47        53        57        70        85        89        89       103
    Other outgo (mainly for vocational                ........  ........  ........  ........  ........  ........  ........  ........        -*  ........
     rehabilitation)................................
                                                     ---------------------------------------------------------------------------------------------------
         Total cash outgo...........................       358       466       559       661       784     1,569     2,067     2,717     3,364     4,436
                                                     ===================================================================================================
   Surplus or deficit (-)...........................     1,028     1,157     1,248     1,263     1,583     1,843     1,864     1,766     1,677     1,098
   Fund balance, end of year........................     7,641     8,798    10,047    11,310    12,893    14,736    16,600    18,366    20,040    21,141
                                                     ===================================================================================================
   Invested balance.................................     7,549     8,742     9,937    11,231    12,645    14,323    16,273    17,818    19,337    20,580
   Uninvested balance...............................        93        56       110        79       248       413       327       549       703       560
--------------------------------------------------------------------------------------------------------------------------------------------------------
See footnotes at end of table.


[[Page 259]]


                   Table 13.1--CASH INCOME, OUTGO, AND BALANCES OF THE SOCIAL SECURITY AND MEDICARE TRUST FUNDS: 1936-2005--Continued
                                                                (in millions of dollars)
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                               1956       1957       1958       1959       1960       1961       1962       1963       1964       1965
--------------------------------------------------------------------------------------------------------------------------------------------------------
Old age and survivors insurance fund:
  Cash income:
    Social insurance and retirement             6,425      6,457      7,138      7,418      9,671     11,104     11,267     13,117     15,242     15,567
     receipts.............................
    Intragovernmental receipts:
      Employer share, employee retirement          18         83        130        147        171        189        203        224        260        263
       (952)..............................
       Interest (903).....................        487        555        555        543        516        530        539        512        539        583
       Other..............................          7          5          2          *          1          1          2          2          3          3
                                           -------------------------------------------------------------------------------------------------------------
        Total intragovernmental receipts..        513        644        687        690        688        720        744        738        801        849
     Other cash income....................          *          *          *          *          *          *          *          *          *          *
                                           -------------------------------------------------------------------------------------------------------------
         Total cash income................      6,938      7,101      7,825      8,109     10,360     11,824     12,011     13,856     16,043     16,417
                                           =============================================================================================================
  Cash outgo:
     Benefit payments.....................      5,361      6,515      7,875      9,049     10,270     11,185     12,658     13,845     14,579     15,226
    Payments to the railroad retirement     .........  .........  .........        124        600        332        361        423        403        436
     account..............................
     Administrative expenses..............        124        150        166        206        203        236        252        263        303        300
    Other outgo (mainly for vocational      .........  .........         -*         -3         -3        -22          9          1         -1          3
     rehabilitation)......................
                                           -------------------------------------------------------------------------------------------------------------
         Total cash outgo.................      5,485      6,665      8,041      9,377     11,069     11,730     13,279     14,531     15,284     15,965
                                           =============================================================================================================
   Surplus or deficit (-).................      1,452        436       -216     -1,268       -710         94     -1,268       -675        760        452
   Fund balance, end of year..............     22,593     23,029     22,813     21,545     20,835     20,929     19,662     18,987     19,746     20,198
                                           =============================================================================================================
   Invested balance.......................     22,041     22,263     21,765     20,478     19,756     19,553     18,456     17,633     18,325     18,783
   Uninvested balance.....................        552        766      1,048      1,066      1,079      1,376      1,206      1,354      1,421      1,415
                                           =============================================================================================================
Disability insurance trust fund:
  Cash income:
    Social insurance and retirement         .........        332        911        878        970      1,005      1,004      1,058      1,124      1,156
     receipts.............................
    Intragovernmental receipts:
      Employer share, employee retirement   .........          5         15         17         17         17         18         18         19         19
       (952)..............................
       Interest (903).....................  .........          1         16         33         47         61         70         70         68         65
                                           -------------------------------------------------------------------------------------------------------------
         Total interfund receipts.........  .........          6         31         51         64         78         88         88         87         85
    Other intragovernmental receipts......  .........  .........  .........  .........         27  .........  .........  .........  .........  .........
                                           -------------------------------------------------------------------------------------------------------------
        Total intragovernmental receipts..  .........          6         31         51         91         78         88         88         87         85
     Other cash income....................  .........  .........  .........  .........  .........  .........  .........  .........  .........          *
                                           -------------------------------------------------------------------------------------------------------------
         Total cash income................  .........        339        942        928      1,061      1,083      1,092      1,145      1,211      1,241
                                           =============================================================================================================
  Cash outgo:
     Benefit payments.....................  .........  .........        168        339        528        704      1,011      1,171      1,251      1,392
    Payments to the railroad retirement     .........  .........  .........  .........  .........          5         11         20         19         24
     account..............................
     Administrative expenses..............  .........          1         12         21         32         36         66         69         70         82
    Other outgo (mainly vocational          .........  .........         -*         -*          *         -1          *          *         -2          *
     rehabilitation)......................
                                           -------------------------------------------------------------------------------------------------------------
         Total cash outgo.................  .........          1        180        360        560        745      1,089      1,259      1,339      1,498
                                           =============================================================================================================
   Surplus or deficit (-).................  .........        337        762        568        501        338          3       -114       -128       -258
   Fund balance, end of year..............  .........        337      1,099      1,667      2,168      2,505      2,509      2,394      2,266      2,009
                                           =============================================================================================================
   Invested balance.......................  .........        325      1,055      1,607      2,101      2,386      2,407      2,278      2,141      1,878
   Uninvested balance.....................  .........         12         45         60         66        119        102        116        125        131
--------------------------------------------------------------------------------------------------------------------------------------------------------
See footnotes at end of table.


[[Page 260]]


                   Table 13.1--CASH INCOME, OUTGO, AND BALANCES OF THE SOCIAL SECURITY AND MEDICARE TRUST FUNDS: 1936-2005--Continued
                                                                (in millions of dollars)
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                               1966       1967       1968       1969       1970       1971       1972       1973       1974       1975
--------------------------------------------------------------------------------------------------------------------------------------------------------
Old age and survivors insurance fund:
  Cash income:
    Social insurance and retirement            17,556     22,197     22,265     25,484     29,396     31,354     35,132     40,703     47,778     55,207
     receipts.............................
    Intragovernmental receipts:
      Employer share, employee retirement         310        370        397        469        559        561        579        615        677        810
       (952)..............................
       Interest (903).....................        588        725        896      1,009      1,346      1,617      1,718      1,846      2,039      2,292
       Other..............................          7         79         78        382        442        449        488        475        442        447
                                           -------------------------------------------------------------------------------------------------------------
        Total intragovernmental receipts..        905      1,174      1,371      1,859      2,347      2,627      2,785      2,936      3,157      3,549
     Other cash income....................          *          *          4          4          3          1          *          *          *          *
                                           -------------------------------------------------------------------------------------------------------------
         Total cash income................     18,461     23,371     23,641     27,348     31,746     33,982     37,916     43,639     50,935     58,756
                                           =============================================================================================================
  Cash outgo:
     Benefit payments.....................     18,071     18,886     20,737     23,732     26,267     31,101     34,541     42,170     47,849     54,839
    Payments to the railroad retirement           444        508        438        491        579        613        724        783        909        982
     account..............................
     Administrative expenses..............        254        334        449        465        474        552        582        667        723        848
    Other outgo (mainly for vocational              1          1          *          2          1          2          1          3          2          8
     rehabilitation)......................
                                           -------------------------------------------------------------------------------------------------------------
         Total cash outgo.................     18,770     19,729     21,624     24,690     27,320     32,268     35,848     43,623     49,483     56,676
                                           =============================================================================================================
   Surplus or deficit (-).................       -309      3,642      2,017      2,657      4,426      1,714      2,068         16      1,452      2,080
   Fund balance, end of year..............     19,889     23,531     25,548     28,205     32,631     34,345     36,413     36,429     37,881     39,961
                                           =============================================================================================================
   Invested balance.......................     17,925     21,780     23,250     26,235     30,121     31,375     33,203     35,501     37,717     39,892
   Uninvested balance.....................      1,964      1,751      2,298      1,971      2,510      2,970      3,211        928        164         69
                                           =============================================================================================================
Disability insurance trust fund:
  Cash income:
    Social insurance and retirement             1,530      2,204      2,651      3,469      4,063      4,490      4,775      5,381      6,147      7,250
     receipts.............................
    Intragovernmental receipts:
      Employer share, employee retirement          27         45         48         63         78         79         78         80         87        106
       (952)..............................
       Interest (903).....................         54         67         83        140        221        324        388        434        482        512
       Other..............................  .........         16         16         32         16         16         50         51         52         52
                                           -------------------------------------------------------------------------------------------------------------
        Total intragovernmental receipts..         81        128        147        235        315        419        516        565        621        670
     Other cash income....................          *          *          2          1          1          1          *          *          *  .........
                                           -------------------------------------------------------------------------------------------------------------
         Total cash income................      1,611      2,332      2,800      3,705      4,380      4,910      5,291      5,946      6,768      7,920
                                           =============================================================================================================
  Cash outgo:
     Benefit payments.....................      1,721      1,861      2,088      2,443      2,778      3,381      4,046      5,162      6,159      7,630
    Payments to the railroad retirement            25         31         20         21         10         13         24         20         22         29
     account..............................
     Administrative expenses..............        184         99        112        134        149        190        212        247        154        253
    Other outgo (mainly vocational                  2          7         15         15         16         21         28         39         49         71
     rehabilitation)......................
                                           -------------------------------------------------------------------------------------------------------------
         Total cash outgo.................      1,931      1,997      2,237      2,613      2,954      3,606      4,309      5,467      6,384      7,982
                                           =============================================================================================================
   Surplus or deficit (-).................       -321        335        564      1,092      1,426      1,305        982        479        384        -62
   Fund balance, end of year..............      1,688      2,024      2,587      3,679      5,105      6,410      7,392      7,871      8,255      8,192
                                           =============================================================================================================
   Invested balance.......................      1,465      1,835      2,351      3,492      4,835      6,078      7,012      7,803      8,195      8,158
   Uninvested balance.....................        224        189        236        187        270        332        380         68         60         35
--------------------------------------------------------------------------------------------------------------------------------------------------------
See footnotes at end of table.


[[Page 261]]


                   Table 13.1--CASH INCOME, OUTGO, AND BALANCES OF THE SOCIAL SECURITY AND MEDICARE TRUST FUNDS: 1936-2005--Continued
                                                                (in millions of dollars)
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                               1966       1967       1968       1969       1970       1971       1972       1973       1974       1975
--------------------------------------------------------------------------------------------------------------------------------------------------------
Hospital insurance trust fund:
  Cash income:
    Social insurance and retirement               893      2,645      3,493      4,398      4,755      4,874      5,205      7,603     10,551     11,252
     receipts.............................
    Intragovernmental receipts:
      Employer share, employee retirement          16         60         65         79         91         87         85        121        147        166
       (951)..............................
       Interest (902).....................          6         46         61         96        139        183        190        198        408        614
       Other..............................  .........        338        284        771        628        874        551        429        499        529
                                           -------------------------------------------------------------------------------------------------------------
        Total intragovernmental receipts..         22        444        410        946        859      1,144        826        748      1,054      1,309
    Other (mainly proprietary) receipts:
       Premium income.....................  .........  .........  .........  .........  .........  .........  .........  .........          4          6
      Other (mainly proprietary interest).  .........          *          *          *          *          *          *          *          *          1
                                           -------------------------------------------------------------------------------------------------------------
         Total cash income................        915      3,089      3,902      5,344      5,614      6,018      6,031      8,352     11,610     12,568
                                           =============================================================================================================
  Cash outgo:
     Benefit payments.....................  .........      2,508      3,736      4,654      4,804      5,442      6,108      6,648      7,806     10,353
     Administrative expenses..............         64         89         79        104        149        149        166        193        258        256
     Other................................  .........  .........  .........  .........          *          1          1          1          1          2
                                           -------------------------------------------------------------------------------------------------------------
         Total cash outgo.................         64      2,597      3,815      4,758      4,953      5,592      6,276      6,842      8,065     10,612
                                           =============================================================================================================
   Surplus or deficit (-).................        851        492         87        586        661        426       -244      1,510      3,545      1,956
   Fund balance, end of year..............        851      1,343      1,431      2,017      2,677      3,103      2,859      4,369      7,914      9,870
                                           =============================================================================================================
   Invested balance.......................        786      1,298      1,370      2,001      2,653      3,030      2,884      4,222      7,864      9,761
   Uninvested balance.....................         65         45         60         15         24         73        -25        146         49        109
                                           =============================================================================================================
Supplementary medical insurance trust
 fund:
  Cash income:
    Offsetting collections:
      Intragovernmental receipts:
         Interest (902)...................  .........         14         21         23         12         17         29         45         76        106
         Federal contributions and other..  .........        623        634        984        928      1,245      1,365      1,430      2,029      2,330
                                           -------------------------------------------------------------------------------------------------------------
          Total intragovernmental receipts  .........        637        655      1,008        940      1,263      1,394      1,476      2,105      2,435
      Premium income:
         From aged participants...........  .........        647        698        903        936      1,253      1,340      1,427      1,579      1,750
        From all other participants.......  .........  .........  .........  .........  .........  .........  .........  .........        125        151
                                           -------------------------------------------------------------------------------------------------------------
           Total premium income...........  .........        647        698        903        936      1,253      1,340      1,427      1,704      1,901
       Other..............................  .........          *          *          *          *          *          *          *          *  .........
                                           -------------------------------------------------------------------------------------------------------------
         Total cash income................  .........      1,284      1,353      1,911      1,876      2,516      2,734      2,902      3,809      4,336
                                           =============================================================================================================
  Cash outgo:
     Benefit payments.....................  .........        664      1,390      1,645      1,979      2,035      2,255      2,391      2,874      3,765
     Administrative expenses..............  .........        134        143        195        217        248        289        246        409        404
    Other (mainly health insurance          .........  .........  .........  .........  .........          *          *          *          *          *
     experiments).........................
                                           -------------------------------------------------------------------------------------------------------------
         Total cash outgo.................  .........        798      1,532      1,840      2,196      2,283      2,544      2,637      3,283      4,170
                                           =============================================================================================================
   Surplus or deficit (-).................  .........        486       -179         71       -321        233        191        265        526        166
   Fund balance at end of year............  .........        486        307        378         57        290        481        746      1,272      1,438
                                           =============================================================================================================
   Invested balance.......................  .........        479        281        358         13        257        478        700      1,231      1,378
   Uninvested balance.....................  .........          7         25         20         44         33          3         46         41         60
--------------------------------------------------------------------------------------------------------------------------------------------------------
See footnotes at end of table.


[[Page 262]]


                   Table 13.1--CASH INCOME, OUTGO, AND BALANCES OF THE SOCIAL SECURITY AND MEDICARE TRUST FUNDS: 1936-2005--Continued
                                                                (in millions of dollars)
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                     1976        TQ        1977       1978       1979       1980       1981       1982
--------------------------------------------------------------------------------------------------------------------------------------------------------
Old age and survivors insurance fund:
  Cash income:
    Social insurance and retirement receipts....................     58,703     15,886     68,032     73,141     83,410     96,581    117,757    122,840
    Intragovernmental receipts:
      Employer share, employee retirement (952).................        852        220        863        906        948      1,027      1,259      1,406
       Interest (903)...........................................      2,344         80      2,279      2,151      1,920      1,886      2,015      1,707
       Other....................................................        425  .........        614        613        615        557        540        675
                                                                 ---------------------------------------------------------------------------------------
        Total intragovernmental receipts........................      3,621        300      3,756      3,670      3,483      3,470      3,814      3,788
     Other cash income..........................................          3          *          8          *          *          *          *          *
                                                                 ---------------------------------------------------------------------------------------
         Total cash income......................................     62,327     16,186     71,795     76,811     86,893    100,051    121,572    126,629
                                                                 =======================================================================================
  Cash outgo:
     Benefit payments...........................................     62,140     16,876     71,271     78,524     87,592    100,615    119,413    134,655
    Payments to the railroad retirement account.................      1,212  .........      1,208      1,589      1,448      1,442      1,585      1,793
     Administrative expenses....................................        935        234        993      1,086      1,077      1,160      1,302      1,475
    Other outgo (mainly for vocational rehabilitation)..........          9          1          7          6         12         10          4          6
                                                                 ---------------------------------------------------------------------------------------
         Total cash outgo.......................................     64,296     17,110     73,479     81,205     90,129    103,227    122,304    137,929
                                                                 =======================================================================================
   Surplus or deficit (-).......................................     -1,969       -924     -1,683     -4,394     -3,236     -3,176       -733    -11,300
   Fund balance, end of year....................................     37,992     37,068     35,384     30,990     27,754     24,578     23,845     12,545
                                                                 =======================================================================================
   Invested balance.............................................     37,968     37,055     35,410     30,967     27,328     23,577     23,255     11,932
   Uninvested balance...........................................         25         13        -25         23        426      1,000        590        614
                                                                 =======================================================================================
Disability insurance trust fund:
  Cash income:
    Social insurance and retirement receipts....................      7,686      2,130      8,786     12,250     14,584     16,628     12,418     20,626
    Intragovernmental receipts:
      Employer share, employee retirement (952).................        111         29        114        154        166        177        171        240
       Interest (903)...........................................        468         13        372        251        305        454        273        363
       Other....................................................         90  .........        103        128        142        118        130        168
                                                                 ---------------------------------------------------------------------------------------
         Total interfund receipts...............................        669         42        589        533        612        749        574        772
    Other intragovernmental receipts............................  .........  .........  .........  .........  .........         11  .........  .........
                                                                 ---------------------------------------------------------------------------------------
        Total intragovernmental receipts........................        669         42        589        533        612        760        574        772
     Other cash income..........................................          *  .........          *          *          *          *          *          *
                                                                 ---------------------------------------------------------------------------------------
         Total cash income......................................      8,355      2,172      9,374     12,784     15,196     17,388     12,992     21,398
                                                                 =======================================================================================
  Cash outgo:
     Benefit payments...........................................      9,222      2,555     11,135     12,214     13,428     14,899     16,853     17,399
    Payments to the railroad retirement account.................         26  .........         -*         30         30  .........         29         26
     Administrative expenses....................................        266         71        378        327        402        334        402        572
    Other outgo (mainly vocational rehabilitation)..............         92         27         77         84         84         99         -4         37
                                                                 ---------------------------------------------------------------------------------------
         Total cash outgo.......................................      9,606      2,653     11,590     12,655     13,944     15,332     17,280     18,035
                                                                 =======================================================================================
   Surplus or deficit (-).......................................     -1,251       -481     -2,216        128      1,252      2,057     -4,288      3,363
   Fund balance, end of year....................................      6,941      6,460      4,245      4,373      5,625      7,682      3,394      6,757
                                                                 =======================================================================================
   Invested balance.............................................      6,931      6,453      4,242      4,352      5,583      7,674      3,392      6,753
   Uninvested balance...........................................         10          7          3         21         43          7          2          4
--------------------------------------------------------------------------------------------------------------------------------------------------------
See footnotes at end of table.


[[Page 263]]


                   Table 13.1--CASH INCOME, OUTGO, AND BALANCES OF THE SOCIAL SECURITY AND MEDICARE TRUST FUNDS: 1936-2005--Continued
                                                                (in millions of dollars)
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                     1976        TQ        1977       1978       1979       1980       1981       1982
--------------------------------------------------------------------------------------------------------------------------------------------------------
Hospital insurance trust fund:
  Cash income:
    Social insurance and retirement receipts....................     11,987      3,457     13,474     16,668     19,874     23,217     30,340     34,301
    Intragovernmental receipts:
      Employer share, employee retirement (951).................        175         45        175        206        228        249        332        397
       Interest (902)...........................................        716         12        771        797        883      1,061      1,325      1,873
       Other....................................................        658  .........        944        860        907        871        834      1,015
                                                                 ---------------------------------------------------------------------------------------
        Total intragovernmental receipts........................      1,549         57      1,890      1,863      2,018      2,182      2,490      3,285
    Other (mainly proprietary) receipts:
       Premium income...........................................          8          2         11         12         17         17         21         25
      Other (mainly proprietary interest).......................          *  .........          *          *          1          *          *          *
                                                                 ---------------------------------------------------------------------------------------
         Total cash income......................................     13,544      3,516     15,374     18,543     21,910     25,415     32,851     37,611
                                                                 =======================================================================================
  Cash outgo:
     Benefit payments...........................................     12,267      3,314     14,906     17,415     19,898     23,793     28,909     34,344
     Administrative expenses....................................        308         88        295        442        443        486        333        510
     Other......................................................          4          1          7          4          1          8          7         10
                                                                 ---------------------------------------------------------------------------------------
         Total cash outgo.......................................     12,579      3,404     15,207     17,862     20,343     24,288     29,248     34,864
                                                                 =======================================================================================
   Surplus or deficit (-).......................................        966        112        167        681      1,567      1,127      3,603      2,747
   Fund balance, end of year....................................     10,836     10,948     11,115     11,796     13,363     14,490     18,093     20,840
                                                                 =======================================================================================
   Invested balance.............................................     10,942     11,009     10,974     11,757     13,164     14,656     18,191     20,800
   Uninvested balance...........................................       -106        -62        141         39        199       -166        -99         40
                                                                 =======================================================================================
Supplementary medical insurance trust fund:
  Cash income:
    Offsetting collections:
      Intragovernmental receipts:
         Interest (902).........................................        104          4        137        229        363        416        384        473
         Federal contributions and other........................      2,939        878      5,053      6,386      6,841      6,932      8,747     13,323
                                                                 ---------------------------------------------------------------------------------------
          Total intragovernmental receipts......................      3,043        882      5,190      6,614      7,204      7,347      9,132     13,796
      Premium income:
         From aged participants.................................      1,769        492      1,987      2,186      2,373      2,637      2,987      3,460
        From all other participants.............................        168         46        206        245        263        291        332        371
                                                                 ---------------------------------------------------------------------------------------
           Total premium income.................................      1,937        539      2,193      2,431      2,636      2,928      3,319      3,831
       Other....................................................          *  .........          *          *          *          *          *          *
                                                                 ---------------------------------------------------------------------------------------
         Total cash income......................................      4,980      1,421      7,383      9,045      9,840     10,275     12,451     17,627
                                                                 =======================================================================================
  Cash outgo:
     Benefit payments...........................................      4,671      1,269      5,865      6,852      8,259     10,144     12,345     14,806
     Administrative expenses....................................        528        132        475        494        544        594        889        746
     Other......................................................          1          *          2          4          1          8          7          7
                                                                 ---------------------------------------------------------------------------------------
         Total cash outgo.......................................      5,200      1,401      6,342      7,350      8,805     10,746     13,240     15,559
                                                                 =======================================================================================
   Surplus or deficit (-).......................................       -220         20      1,041      1,696      1,035       -471       -789      2,068
   Fund balance at end of year..................................      1,219      1,239      2,279      3,975      5,010      4,539      3,750      5,818
                                                                 =======================================================================================
   Invested balance.............................................      1,230      1,244      2,232      4,021      4,974      4,558      3,821      5,874
   Uninvested balance...........................................        -12         -5         47        -45         36        -19        -72        -56
--------------------------------------------------------------------------------------------------------------------------------------------------------
See footnotes at end of table.


[[Page 264]]


                   Table 13.1--CASH INCOME, OUTGO, AND BALANCES OF THE SOCIAL SECURITY AND MEDICARE TRUST FUNDS: 1936-2005--Continued
                                                                (in millions of dollars)
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                     1983       1984       1985       1986       1987       1988       1989       1990
--------------------------------------------------------------------------------------------------------------------------------------------------------
Old age and survivors insurance fund:
  Cash income:
    Social insurance and retirement receipts....................    128,972    150,312    169,822    182,518    194,541    220,337    240,595    255,031
    Intragovernmental receipts:
      Employer share, employee retirement (952).................      1,534      1,852      2,288      2,608      3,011      4,000      4,432      5,038
       Interest (903)...........................................      1,396      2,752      3,537      3,698      4,495      6,758     10,649     15,125
       Other....................................................     18,683      8,400      6,639      7,544      5,447      5,501      5,819      4,405
                                                                 ---------------------------------------------------------------------------------------
        Total intragovernmental receipts........................     21,613     13,004     12,465     13,850     12,953     16,259     20,900     24,568
     Other cash income..........................................          *          *          *          *         30          *          *          *
                                                                 ---------------------------------------------------------------------------------------
         Total cash income......................................    150,586    163,315    182,287    196,368    207,525    236,596    261,495    279,599
                                                                 =======================================================================================
  Cash outgo:
     Benefit payments...........................................    148,312    155,846    165,422    174,364    182,055    192,541    204,648    218,957
    Payments to the railroad retirement account.................      2,251      2,404      2,310      2,585      2,557      2,790      2,845      2,969
     Interest payments..........................................      1,544      2,565      2,293      1,013        625        836        989        982
     Administrative expenses....................................      1,552      1,585      1,588      1,610      1,542      1,730      1,658      1,566
    Other outgo (mainly for vocational rehabilitation)\1\.......        330          6          *  .........  .........         -*  .........          *
                                                                 ---------------------------------------------------------------------------------------
         Total cash outgo.......................................    153,989    162,406    171,614    179,572    186,780    197,897    210,141    224,475
                                                                 =======================================================================================
   Surplus or deficit (-).......................................     -3,403        909     10,673     16,797     20,745     38,700     51,354     55,125
                                                                 =======================================================================================
  Borrowing or repayment (-) of borrowing from other trust funds     17,519  .........     -4,364    -13,155  .........  .........  .........  .........
   Fund balance, end of year....................................     26,661     27,570     33,879     37,521     58,266     96,966    148,320    203,445
                                                                 =======================================================================================
   Invested balance.............................................     25,503     27,224     30,971     36,948     58,356     97,137    148,565    203,717
   Uninvested balance...........................................      1,158        346      2,908        573        -89       -171       -245       -271
                                                                 =======================================================================================
Disability insurance trust fund:
  Cash income:
    Social insurance and retirement receipts....................     18,348     15,763     16,348     17,711     18,861     21,154     23,071     26,625
    Intragovernmental receipts:
      Employer share, employee retirement (952).................        244        192        221        249        289        382        426        529
       Interest (903)...........................................        449        558        580        631        795        657        745        866
       Other....................................................      2,447        753        548      1,427        167        266        335        302
                                                                 ---------------------------------------------------------------------------------------
        Total intragovernmental receipts........................      3,140      1,503      1,349      2,308      1,251      1,306      1,506      1,697
    Inter-trust interest (from OASI)............................        419        546        365        159  .........  .........  .........  .........
     Other cash income..........................................          *          *          *          *          3          *  .........          *
                                                                 ---------------------------------------------------------------------------------------
         Total cash income......................................     21,907     17,812     18,062     20,177     20,115     22,460     24,577     28,322
                                                                 =======================================================================================
  Cash outgo:
     Benefit payments...........................................     17,588     17,735     18,654     19,526     20,421     21,395     22,516     24,306
    Payments to the railroad retirement account.................         28         22         43         68         57         61         88         80
     Administrative expenses....................................        659        585        603        600        738        803        747        707
     Interest payments..........................................         13         77         69         45         60         80         95        100
    Other outgo (mainly vocational rehabilitation)..............          4         40          3          4         15         21         40         38
                                                                 ---------------------------------------------------------------------------------------
         Total cash outgo.......................................     18,291     18,459     19,372     20,243     21,290     22,360     23,487     25,230
                                                                 =======================================================================================
   Surplus or deficit (-).......................................      3,615       -647     -1,310        -66     -1,175        100      1,090      3,091
                                                                 =======================================================================================
  Lending (-) or repayment of loans to OASI fund................     -5,081  .........      2,540      2,541  .........  .........  .........  .........
   Fund balance, end of year....................................      5,291      4,644      5,874      8,349      7,174      7,273      8,364     11,455
                                                                 =======================================================================================
   Invested balance.............................................      5,288      4,656      5,704      8,335      7,193      7,345      8,428     11,505
   Uninvested balance...........................................          2        -12        170         14        -19        -72        -65        -50
--------------------------------------------------------------------------------------------------------------------------------------------------------
See footnotes at end of table.


[[Page 265]]


                   Table 13.1--CASH INCOME, OUTGO, AND BALANCES OF THE SOCIAL SECURITY AND MEDICARE TRUST FUNDS: 1936-2005--Continued
                                                                (in millions of dollars)
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                     1983       1984       1985       1986       1987       1988       1989       1990
--------------------------------------------------------------------------------------------------------------------------------------------------------
Hospital insurance trust fund:
  Cash income:
    Social insurance and retirement receipts....................     35,641     40,262     44,871     51,335     55,992     59,859     65,396     68,556
    Intragovernmental receipts:
      Employer share, employee retirement (951)\2\..............      1,054      1,306      1,449      1,604      1,700      1,884      2,007      2,153
       Interest (902)\2\........................................      1,656      1,686      2,016      2,809      3,994      5,169      6,603      7,943
       Interest from OASI.......................................      1,028      1,337      1,207        383  .........  .........  .........  .........
       Other....................................................      4,541      1,106      1,348        254        999      1,045      1,070        798
                                                                 ---------------------------------------------------------------------------------------
        Total intragovernmental receipts........................      8,279      5,435      6,020      5,049      6,693      8,098      9,679     10,894
    Other (mainly proprietary) receipts:
       Premium income...........................................         26         35         38         40         40         42         42        113
      Other (after 1984, mainly for kidney dialysis)............          3          *          *          *          9          *  .........          *
                                                                 ---------------------------------------------------------------------------------------
         Total cash income......................................     43,949     45,732     50,928     56,424     62,735     67,999     75,117     79,563
                                                                 =======================================================================================
  Cash outgo:
     Benefit payments...........................................     38,102     41,461     47,710     48,867     49,804     51,862     57,317     65,722
     Administrative expenses....................................        519        632        813        667        827        707        805        774
    Interest on normalized transfers............................         27        187         13  .........  .........  .........  .........  .........
     Other......................................................        -97         15        131        151        172        160        116        190
                                                                 ---------------------------------------------------------------------------------------
         Total cash outgo.......................................     38,551     42,295     48,667     49,685     50,803     52,730     58,238     66,687
                                                                 =======================================================================================
   Surplus or deficit (-).......................................      5,398      3,437      2,261      6,739     11,932     15,270     16,880     12,876
                                                                 =======================================================================================
  Lending (-) or repayment of loans to OASI fund................    -12,437  .........      1,824     10,613  .........  .........  .........  .........
   Fund balance, end of year....................................     13,800     17,237     21,322     38,674     50,606     65,876     82,755     95,631
                                                                 =======================================================================================
   Invested balance.............................................     13,514     16,982     21,176     38,340     50,779     66,078     82,689     96,249
   Uninvested balance...........................................        286        255        146        334       -173       -202         66       -617
                                                                 =======================================================================================
Supplementary medical insurance trust fund:
  Cash income:
    Individual income taxes\3\..................................  .........  .........  .........  .........  .........  .........        527       -527
    Offsetting collections:
      Intragovernmental receipts:
         Interest (902)\3\......................................        680        807      1,154      1,228      1,019        828      1,025      1,427
         Federal contributions and other........................     14,238     16,811     17,898     18,076     20,299     25,418     30,712     33,210
                                                                 ---------------------------------------------------------------------------------------
          Total intragovernmental receipts......................     14,918     17,618     19,052     19,304     21,318     26,246     31,737     34,637
      Premium income:
         From aged participants.................................      3,834      4,463      5,042      5,200      5,897      7,963     10,603     10,499
        From all other participants.............................        393        444        482        500        582        793        945        995
                                                                 ---------------------------------------------------------------------------------------
           Total premium income.................................      4,227      4,907      5,524      5,699      6,480      8,756     11,548     11,494
       Other\4\.................................................          1          *         -*          *          *          *  .........          3
                                                                 ---------------------------------------------------------------------------------------
         Total cash income......................................     19,147     22,526     24,576     25,004     27,797     35,002     43,812     45,607
                                                                 =======================================================================================
  Cash outgo:
     Benefit payments...........................................     17,487     19,475     21,808     25,166     29,932     33,677     36,854     41,450
     Administrative expenses\3\.................................        823        899        923      1,051        900      1,265      1,450      1,524
     Other......................................................          6  .........  .........  .........          5          4         13         47
                                                                 ---------------------------------------------------------------------------------------
         Total cash outgo.......................................     18,317     20,374     22,730     26,217     30,837     34,947     38,316     43,022
                                                                 =======================================================================================
   Surplus or deficit (-).......................................        830      2,151      1,846     -1,214     -3,039         55      5,495      2,585
   Fund balance at end of year..................................      6,648      8,799     10,645      9,431      6,392      6,447     11,942     14,527
                                                                 =======================================================================================
   Invested balance.............................................      6,958      9,117     10,736      9,424      6,166      6,326     11,928     14,286
   Uninvested balance...........................................       -310       -318        -91          7        226        121         15        241
--------------------------------------------------------------------------------------------------------------------------------------------------------
See footnotes at end of table.


[[Page 266]]


                   Table 13.1--CASH INCOME, OUTGO, AND BALANCES OF THE SOCIAL SECURITY AND MEDICARE TRUST FUNDS: 1936-2005--Continued
                                                                (in millions of dollars)
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                     1991       1992       1993       1994       1995       1996       1997       1998
--------------------------------------------------------------------------------------------------------------------------------------------------------
Old age and survivors insurance fund:
  Cash income:
    Social insurance and retirement receipts....................    265,503    273,137    281,735    302,607    284,091    311,869    336,729    358,784
    Intragovernmental receipts:
      Employer share, employee retirement (952).................      5,242      5,508      5,796      5,787      5,434      5,326      5,582      6,086
       Interest (903)...........................................     19,164     22,557     25,822     28,505     31,417     34,026     37,688     42,197
       Other....................................................      5,838      5,949      5,967      5,378      5,143      5,772      6,486      8,620
                                                                 ---------------------------------------------------------------------------------------
        Total intragovernmental receipts........................     30,244     34,015     37,585     39,670     41,994     45,124     49,756     56,903
     Other cash income..........................................          *          *          4          *  .........  .........  .........  .........
                                                                 ---------------------------------------------------------------------------------------
         Total cash income......................................    295,747    307,152    319,325    342,278    326,085    356,993    386,485    415,687
                                                                 =======================================================================================
  Cash outgo:
     Benefit payments...........................................    236,120    251,317    264,582    276,291    288,617    299,985    312,880    324,274
    Payments to the railroad retirement account.................      3,375      3,148      3,353      3,420      4,052      3,554      3,688      3,662
     Interest payments..........................................        418  .........         -*  .........  .........  .........  .........  .........
     Administrative expenses....................................      1,747      1,824      2,026      1,876      1,805      1,793      2,001      1,833
     Military service credit adjustment.........................      2,114  .........  .........  .........  .........        129  .........  .........
    Other outgo (mainly for vocational rehabilitation)..........          *  .........          *  .........  .........  .........  .........  .........
                                                                 ---------------------------------------------------------------------------------------
         Total cash outgo.......................................    243,774    256,290    269,960    281,586    294,474    305,461    318,569    329,769
                                                                 =======================================================================================
   Surplus or deficit (-).......................................     51,972     50,862     49,364     60,691     31,611     51,532     67,916     85,918
   Adjustment to balances.......................................  .........  .........  .........  .........  .........          1  .........  .........
   Fund balance, end of year....................................    255,417    306,280    355,644    416,335    447,946    499,479    567,394    653,313
                                                                 =======================================================================================
   Invested balance.............................................    255,557    306,524    355,510    413,425    447,946    499,403    567,445    653,282
   Uninvested balance...........................................       -140       -244        134      2,911  .........         76        -51         31
                                                                 =======================================================================================
Disability insurance trust fund:
  Cash income:
    Social insurance and retirement receipts....................     28,382     29,289     30,199     32,419     66,988     55,623     55,261     57,015
    Intragovernmental receipts:
      Employer share, employee retirement (952).................        562        593        620        622        998        952        901        966
       Interest (903)...........................................      1,058      1,080        966        698      1,888      2,481      3,526      4,433
       Other....................................................        133        217        279        310        341        378        412        539
                                                                 ---------------------------------------------------------------------------------------
        Total intragovernmental receipts........................      1,753      1,890      1,865      1,631      3,227      3,811      4,839      5,938
     Other cash income..........................................          *          *          2          *  .........  .........  .........  .........
                                                                 ---------------------------------------------------------------------------------------
         Total cash income......................................     30,135     31,179     32,065     34,049     70,215     59,434     60,100     62,953
                                                                 =======================================================================================
  Cash outgo:
     Benefit payments...........................................     26,871     30,360     33,588     36,823     40,201     43,231     45,367     47,680
    Payments to the railroad retirement account.................         82         58         83        106         68          2         59        157
     Administrative expenses....................................        785        843        932      1,018      1,064      1,074      1,211      1,565
     Interest payments..........................................         45  .........  .........  .........  .........  .........  .........  .........
     Military service credit adjustment.........................        775  .........  .........  .........  .........        203  .........  .........
    Other outgo (mainly vocational rehabilitation)..............         34         34         38         37         47         48         64         57
                                                                 ---------------------------------------------------------------------------------------
         Total cash outgo.......................................     28,592     31,295     34,641     37,984     41,380     44,558     46,701     49,459
                                                                 =======================================================================================
   Surplus or deficit (-).......................................      1,543       -116     -2,576     -3,935     28,835     14,876     13,399     13,494
   Adjustment to balances.......................................  .........  .........  .........  .........  .........          2  .........  .........
   Fund balance, end of year....................................     12,998     12,881     10,305      6,371     35,205     50,083     63,482     76,976
                                                                 =======================================================================================
   Invested balance.............................................     13,105     12,918     10,237      6,100     35,205     50,100     63,562     76,996
   Uninvested balance...........................................       -107        -36         69        271  .........        -17        -80        -20
--------------------------------------------------------------------------------------------------------------------------------------------------------
See footnotes at end of table.


[[Page 267]]


                   Table 13.1--CASH INCOME, OUTGO, AND BALANCES OF THE SOCIAL SECURITY AND MEDICARE TRUST FUNDS: 1936-2005--Continued
                                                                (in millions of dollars)
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                     1991       1992       1993       1994       1995       1996       1997       1998
--------------------------------------------------------------------------------------------------------------------------------------------------------
Hospital insurance trust fund:
  Cash income:
    Social insurance and retirement receipts....................     72,842     79,108     81,224     90,062     96,024    104,997    110,710    119,863
    Intragovernmental receipts:
      Employer share, employee retirement (951)\2\..............      2,205      2,324      2,375      2,440      2,449      2,382      2,465      2,499
       Interest (902)\2\........................................      8,992     10,054     10,581     10,593     10,871     10,389      9,757      9,154
       Federal Payment (OASI taxes).............................  .........  .........  .........      1,639      3,913      4,069      3,558      5,067
       Other....................................................        631        706        495        608        591        554        691        197
                                                                 ---------------------------------------------------------------------------------------
        Total intragovernmental receipts........................     11,828     13,084     13,450     15,280     17,824     17,394     16,471     16,917
    Other (mainly proprietary) receipts:
       Premium income...........................................        367        484        622        852        998      1,107      1,279      1,320
      Other (after 1984, mainly for kidney dialysis)............          *          *          1          1          1          1         89        104
                                                                 ---------------------------------------------------------------------------------------
         Total cash income......................................     85,038     92,677     95,297    106,195    114,847    123,499    128,549    138,204
                                                                 =======================================================================================
  Cash outgo:
     Benefit payments...........................................     68,486     80,584     90,535    101,350    113,402    123,908    136,010    135,299
     Administrative expenses....................................        937      1,187        866      1,235      1,300      1,228      1,203      1,204
     Military service credit adjustment.........................      1,100  .........  .........  .........  .........      2,366  .........  .........
     Other......................................................        218        200        203        185        181        181        671        795
                                                                 ---------------------------------------------------------------------------------------
         Total cash outgo.......................................     70,742     81,971     91,604    102,770    114,883    127,683    137,884    137,298
                                                                 =======================================================================================
   Surplus or deficit (-).......................................     14,296     10,706      3,693      3,425        -36     -4,184     -9,335        906
   Adjustment to balances.......................................  .........  .........  .........  .........  .........          1  .........  .........
   Transfer of CHI balances.....................................  .........  .........      1,805  .........  .........  .........  .........  .........
   Fund balance, end of year....................................    109,927    120,633    126,131    129,555    129,520    125,337    116,002    116,908
                                                                 =======================================================================================
   Invested balance.............................................    109,327    120,647    126,078    128,716    129,864    125,805    116,621    118,236
   Uninvested balance...........................................        600        -13         52        840       -344       -467       -619     -1,328
                                                                 =======================================================================================
Supplementary medical insurance trust fund:
  Cash income:
    Offsetting collections:
      Intragovernmental receipts:
         Interest (902).........................................      1,627      1,716      1,888      2,116      1,935      1,388      2,192      2,606
         Federal contributions and other........................     34,730     38,684     44,227     38,355     36,988     61,702     59,471     59,919
                                                                 ---------------------------------------------------------------------------------------
          Total intragovernmental receipts......................     36,358     40,400     46,114     40,471     38,923     63,090     61,663     62,525
      Premium income:
         From aged participants.................................     10,741     11,564     13,255     15,212     17,126     16,858     16,984     17,153
        From all other participants.............................      1,066      1,184      1,428      1,683      2,117      2,073      2,158      2,274
                                                                 ---------------------------------------------------------------------------------------
           Total premium income.................................     11,807     12,748     14,683     16,895     19,243     18,931     19,142     19,427
       Other\4\.................................................          1          1          1          2          3          4          1          3
                                                                 ---------------------------------------------------------------------------------------
         Total cash income......................................     48,166     53,149     60,799     57,367     58,169     82,025     80,806     81,955
                                                                 =======================================================================================
  Cash outgo:
     Benefit payments...........................................     45,456     48,595     52,398     57,997     63,482     67,167     71,115     74,808
     Administrative expenses....................................      1,507      1,658      1,845      1,718      1,722      1,770      1,420      1,431
     Other......................................................         58         32         11         10          9          9         18         33
                                                                 ---------------------------------------------------------------------------------------
         Total cash outgo.......................................     47,021     50,285     54,254     59,724     65,213     68,946     72,553     76,272
                                                                 =======================================================================================
   Surplus or deficit (-).......................................      1,145      2,863      6,545     -2,357     -7,044     13,079      8,253      5,683
   Transfer of CHI balances.....................................  .........  .........     -1,805  .........  .........  .........  .........  .........
   Fund balance at end of year..................................     15,672     18,535     23,276     20,919     13,874     26,953     35,206     40,889
                                                                 =======================================================================================
   Invested balance.............................................     16,241     18,534     23,268     21,489     13,513     27,175     34,464     39,502
   Uninvested balance...........................................       -569          2          8       -570        361       -222        742      1,387
--------------------------------------------------------------------------------------------------------------------------------------------------------
See footnotes at end of table.


[[Page 268]]


    Table 13.1--CASH INCOME, OUTGO, AND BALANCES OF THE SOCIAL SECURITY AND MEDICARE TRUST FUNDS: 1936-2005--
                                                    Continued
                                            (in millions of dollars)
----------------------------------------------------------------------------------------------------------------
                                                   2000       2001       2002       2003       2004       2005
                                        1999     estimate   estimate   estimate   estimate   estimate   estimate
----------------------------------------------------------------------------------------------------------------
Old age and survivors insurance
 fund:
  Cash income:
    Social insurance and retirement    383,559    408,583    427,322    446,421    465,244    484,401    511,676
     receipts......................
    Intragovernmental receipts:
      Employer share, employee           6,374      6,734      6,788      7,350      7,871      8,424      9,073
       retirement (952)............
       Interest (903)..............     46,847     53,400     60,625     68,776     77,731     87,397     97,929
       Other.......................     10,197     11,024     10,351     10,809     11,303     11,989     12,810
                                    ----------------------------------------------------------------------------
        Total intragovernmental         63,418     71,158     77,764     86,935     96,905    107,810    119,812
         receipts..................
     Other cash income.............  .........          1          1          1          1          1          1
                                    ----------------------------------------------------------------------------
         Total cash income.........    446,977    479,742    505,087    533,357    562,150    592,212    631,489
                                    ============================================================================
  Cash outgo:
     Benefit payments..............    332,383    345,359    359,989    376,055    393,025    411,270    431,123
    Payments to the railroad             3,681      3,613      3,511      3,588      3,592      3,602      3,614
     retirement account............
     Administrative expenses.......      1,851      2,010      2,152      2,130      2,082      2,128      2,171
     Military service credit         .........  .........      1,145  .........  .........  .........  .........
     adjustment....................
                                    ----------------------------------------------------------------------------
         Total cash outgo..........    337,915    350,982    366,797    381,773    398,699    417,000    436,908
                                    ============================================================================
   Surplus or deficit (-)..........    109,062    128,760    138,290    151,584    163,451    175,212    194,581
   Fund balance, end of year.......    762,374    891,134   1,029,42   1,181,00   1,344,45   1,519,67   1,714,25
                                                                   4          8          9          1          2
                                    ============================================================================
   Invested balance................    762,224    891,342   1,029,63   1,181,00   1,344,45   1,519,67   1,714,25
                                                                   4          8          9          1          2
   Uninvested balance..............        150       -208       -210  .........  .........  .........  .........
                                    ============================================================================
Disability insurance trust fund:
  Cash income:
    Social insurance and retirement     60,909     68,180     72,573     75,805     79,003     82,259     86,890
     receipts......................
    Intragovernmental receipts:
      Employer share, employee           1,011      1,126      1,153      1,248      1,337      1,431      1,541
       retirement (952)............
       Interest (903)..............      5,224      6,256      7,513      8,846     10,164     11,415     12,564
       Other.......................        647        655        650        701        761        840        931
                                    ----------------------------------------------------------------------------
        Total intragovernmental          6,882      8,037      9,316     10,795     12,262     13,686     15,036
         receipts..................
     Other cash income.............  .........         12         25         25         25         25         25
                                    ----------------------------------------------------------------------------
         Total cash income.........     67,791     76,229     81,914     86,625     91,290     95,970    101,951
                                    ============================================================================
  Cash outgo:
     Benefit payments\5\...........     50,424     53,964     58,292     63,090     68,472     74,620     81,299
    Payments to the railroad               135        147        126        161        171        184        196
     retirement account............
     Administrative expenses.......      1,520      1,467      1,595      1,626      1,582      1,618      1,653
     Military service credit         .........  .........          7  .........  .........  .........  .........
     adjustment....................
    Other outgo (mainly vocational          63         79         98  .........  .........  .........  .........
     rehabilitation)...............
                                    ----------------------------------------------------------------------------
         Total cash outgo..........     52,142     55,657     60,118     64,877     70,225     76,422     83,148
                                    ============================================================================
   Surplus or deficit (-)..........     15,649     20,572     21,796     21,748     21,065     19,548     18,803
   Adjustment to balances..........          3  .........  .........  .........  .........  .........  .........
   Fund balance, end of year.......     92,628    113,200    134,996    156,744    177,809    197,357    216,160
                                    ============================================================================
   Invested balance................     92,666    113,213    135,023    156,744    177,809    197,357    216,160
   Uninvested balance..............        -38        -13        -27  .........  .........  .........  .........
----------------------------------------------------------------------------------------------------------------
See footnotes at end of table.


[[Page 269]]


    Table 13.1--CASH INCOME, OUTGO, AND BALANCES OF THE SOCIAL SECURITY AND MEDICARE TRUST FUNDS: 1936-2005--
                                                    Continued
                                            (in millions of dollars)
----------------------------------------------------------------------------------------------------------------
                                                   2000       2001       2002       2003       2004       2005
                                        1999     estimate   estimate   estimate   estimate   estimate   estimate
----------------------------------------------------------------------------------------------------------------
Hospital insurance trust fund:
  Cash income:
    Social insurance and retirement    132,268    136,515    143,695    150,290    156,694    163,258    172,612
     receipts......................
    Intragovernmental receipts:
      Employer share, employee           2,576      2,676      2,752      2,898      3,009      3,133      3,280
       retirement (951)\2\.........
       Interest (902)\2\...........      9,286     11,046     12,544     14,902     16,886     18,156     19,460
       Federal Payment (OASI taxes)      6,552      7,190      6,878      7,387      7,950      8,496      9,005
   Payment to extend solvency......  .........  .........     15,400     12,600  .........  .........  .........
       Other.......................        861        731        757        538        523        516        531
                                    ----------------------------------------------------------------------------
        Total intragovernmental         19,275     21,643     38,331     38,325     28,368     30,301     32,276
         receipts..................
    Other (mainly proprietary)
     receipts:
       Premium income..............      1,401      1,379      1,426      1,779      2,018      2,212      2,454
      Other (after 1984, mainly for         71         81         90         98        108        108        108
       kidney dialysis)............
                                    ----------------------------------------------------------------------------
         Total cash income.........    153,015    159,618    183,542    190,492    187,188    195,879    207,450
                                    ============================================================================
  Cash outgo:
     Benefit payments\6\...........    129,286    131,934    143,029    150,310    154,540    163,664    175,239
     Administrative expenses.......      1,296      1,378      1,377      1,388      1,409      1,447      1,481
     Other\6\......................        918      1,282      1,308  .........  .........  .........  .........
                                    ----------------------------------------------------------------------------
         Total cash outgo..........    131,500    134,594    145,714    151,698    155,949    165,111    176,720
                                    ============================================================================
   Surplus or deficit (-)..........     21,515     25,024     37,828     38,794     31,239     30,768     30,730
   Adjustment to balances..........         -2         -2  .........  .........  .........  .........  .........
   Fund balance, end of year.......    138,421    163,443    201,271    240,065    271,304    302,072    332,802
                                    ============================================================================
   Invested balance................    153,767    163,443    201,271    240,065    271,304    302,072    332,802
   Uninvested balance..............    -15,346  .........  .........  .........  .........  .........  .........
                                    ============================================================================
Supplementary medical insurance
 trust fund:
  Cash income:
    Offsetting collections:
      Intragovernmental receipts:
         Interest (902)............      2,926      3,080      2,949      2,829      2,767      2,729      2,691
         Federal contributions and      62,185     65,074     69,511     75,218     86,899     98,789    107,616
         other.....................
                                    ----------------------------------------------------------------------------
          Total intragovernmental       65,111     68,154     72,460     78,047     89,666    101,518    110,307
           receipts................
      Premium income:
         From aged participants....     17,722     17,773     18,905     20,436     22,259     24,214     26,242
   For prescription drugs..........  .........  .........  .........  .........      7,660     10,503     13,113
        From all other participants      2,438      2,583      2,829      3,407      3,928      4,419      4,989
                                    ----------------------------------------------------------------------------
           Total premium income....     20,160     20,356     21,734     23,843     33,847     39,136     44,344
       Other\4\....................          7  .........  .........  .........  .........  .........  .........
                                    ----------------------------------------------------------------------------
         Total cash income.........     85,278     88,510     94,194    101,890    123,513    140,654    154,651
                                    ============================================================================
  Cash outgo:
     Benefit payments\6\...........     78,972     87,856     96,243    101,585    120,447    139,585    155,041
     Administrative expenses.......      1,510      1,704      1,621      1,621      1,640      1,682      1,718
     Other\6\......................         36        116        125  .........  .........  .........  .........
                                    ----------------------------------------------------------------------------
         Total cash outgo..........     80,518     89,676     97,989    103,206    122,087    141,267    156,759
                                    ============================================================================
   Surplus or deficit (-)..........      4,760     -1,166     -3,795     -1,316      1,426       -613     -2,108
   Fund balance at end of year.....     45,649     44,484     40,689     39,373     40,799     40,186     38,078
                                    ============================================================================
   Invested balance................     26,528     44,484     40,689     39,373     40,799     40,186     38,078
   Uninvested balance..............     19,120  .........  .........  .........  .........  .........  .........
----------------------------------------------------------------------------------------------------------------
See footnotes on following page.


[[Page 270]]


* $500 thousand or less.
\1\ In 1983, includes $329.3 million loss on sale of securities.
\2\ Starting in 1983, includes amounts from Postal Service.
\3\ For 1989 and 1990, includes transactions and balances of the HI and SMI Catastrophic Insurance trust funds,
  which began in 1989 and were abolished in 1990.
\4\ For years after 1986, receipts for kidney dialysis.
\5\ For years after 2001, includes outlays for vocational rehabilitation.
\6\ For years after 2001, outlays for peer review organizations are included in the benefit payments line.
Note: Offsetting collections from Federal sources that are credited to the Old Age and Survivors insurance
  account are treated as offsets to cash outgo rather than as cash income.