Social Security Area Population on July 1 and Dependency Ratios — 2021 OASDI Trustees Report

Single-Year Tables Historical data Intermediate Assumptions Low-Cost Assumptions High-Cost Assumptions
Table V.A3.—Social Security Area Population on July 1 and Dependency Ratios,
Calendar Years 1941-2100
Calendar year   Population (in thousands)   Dependency ratio
Under 20   20-64   65 and
over		   Total Aged a   Total b

Historical data:
1941   48,419   83,516   9,814   141,749   0.118   0.697
1942   48,410   84,647   10,082   143,140   .119   .691
1943   48,765   85,765   10,336   144,865   .121   .689
1944   48,939   86,853   10,592   146,383   .122   .685
1945   49,107   87,891   10,886   147,883   .124   .683
1946   49,278   88,878   11,216   149,373   .126   .681
1947   50,559   89,824   11,570   151,954   .129   .692
1948   51,599   90,692   11,947   154,238   .132   .701
1949   52,746   91,472   12,356   156,574   .135   .712
1950   53,918   92,190   12,789   158,897   .139   .724
1951   56,470   93,978   13,334   163,782   .142   .743
1952   57,992   94,581   13,784   166,356   .146   .759
1953   59,680   95,048   14,251   168,979   .150   .778
1954   61,523   95,461   14,718   171,702   .154   .799
1955   63,337   96,003   15,159   174,499   .158   .818
1956   65,201   96,497   15,592   177,290   .162   .837
1957   67,349   97,748   16,019   181,116   .164   .853
1958   69,280   98,378   16,443   184,102   .167   .871
1959   71,139   99,046   16,873   187,059   .170   .889
1960   72,939   99,746   17,295   189,980   .173   .905
1961   74,852   100,549   17,703   193,104   .176   .920
1962   76,486   101,457   18,084   196,027   .178   .932
1963   77,665   102,708   18,427   198,800   .179   .936
1964   78,920   103,780   18,758   201,458   .181   .941
1965   80,021   104,832   19,079   203,932   .182   .945
1966   80,953   105,805   19,402   206,159   .183   .948
1967   80,700   107,836   19,753   208,289   .183   .932
1968   80,668   109,568   20,105   210,341   .183   .920
1969   80,750   111,279   20,471   212,500   .184   .910
1970   80,995   112,938   20,885   214,817   .185   .902
1971   81,103   114,689   21,341   217,133   .186   .893
1972   80,796   116,511   21,802   219,109   .187   .881
1973   80,196   118,428   22,270   220,894   .188   .865
1974   79,417   120,471   22,765   222,653   .189   .848
1975   78,643   122,588   23,316   224,547   .190   .832
1976   77,762   124,746   23,908   226,416   .192   .815
1977   76,880   127,090   24,511   228,480   .193   .798
1978   76,041   129,463   25,120   230,624   .194   .781
1979   75,363   131,804   25,727   232,894   .195   .767
1980   74,849   134,028   26,307   235,184   .196   .755
1981   74,277   136,274   26,866   237,417   .197   .742
1982   73,814   138,459   27,455   239,729   .198   .731
1983   73,424   140,594   28,018   242,036   .199   .722
1984   73,016   142,689   28,558   244,263   .200   .712
1985   72,896   144,584   29,128   246,608   .201   .706
1986   73,037   146,227   29,730   248,994   .203   .703
1987   73,286   147,799   30,332   251,416   .205   .701
1988   73,681   149,337   30,872   253,890   .207   .700
1989   74,140   150,975   31,385   256,500   .208   .699
1990   74,792   152,731   31,926   259,449   .209   .699
1991   75,483   154,609   32,488   262,580   .210   .698
1992   76,426   156,234   33,033   265,693   .211   .701
1993   77,455   157,715   33,516   268,686   .213   .704
1994   78,458   159,169   33,931   271,559   .213   .706
1995   79,286   160,737   34,298   274,321   .213   .707
1996   80,085   162,264   34,643   276,992   .214   .707
1997   80,677   164,062   34,914   279,653   .213   .705
1998   81,204   165,962   35,123   282,289   .212   .701
1999   81,615   168,024   35,277   284,915   .210   .696
2000   81,981   170,168   35,501   287,649   .209   .690
2001   82,371   172,423   35,720   290,514   .207   .685
2002   82,679   174,711   35,957   293,347   .206   .679
2003   83,001   176,804   36,298   296,103   .205   .675
2004   83,478   178,791   36,688   298,957   .205   .672
2005   83,951   181,107   37,135   302,193   .205   .669
2006   84,526   183,387   37,687   305,600   .206   .666
2007   85,163   185,034   38,379   308,576   .207   .668
2008   85,602   185,736   39,368   310,706   .212   .673
2009   85,815   186,712   40,202   312,729   .215   .675
2010   85,675   188,246   41,021   314,942   .218   .673
2011   85,304   189,812   41,737   316,853   .220   .669
2012   84,909   190,264   43,417   318,590   .228   .674
2013   84,600   190,957   44,796   320,353   .235   .678
2014   84,520   191,926   46,185   322,631   .241   .681
2015   84,569   193,065   47,590   325,225   .246   .685
2016   84,566   193,719   49,077   327,361   .253   .690
2017   84,456   194,136   50,586   329,178   .261   .696
2018 c   84,264   194,564   52,163   330,990   .268   .701
2019 d   84,011   195,009   53,812   332,832   .276   .707
2020 d   83,548   195,129   55,319   333,997   .284   .712

Intermediate:
2021   82,861   194,974   56,650   334,485   .291   .716
2022   82,430   195,059   58,240   335,729   .299   .721
2023   82,374   195,674   59,975   338,024   .307   .727
2024   82,548   196,554   61,728   340,829   .314   .734
2025   82,821   197,423   63,481   343,725   .322   .741
2026   82,988   198,089   65,245   346,322   .329   .748
2027   82,916   198,768   66,861   348,545   .336   .754
2028   82,801   199,481   68,413   350,696   .343   .758
2029   82,883   200,093   69,876   352,852   .349   .763
2030   83,162   200,693   71,158   355,013   .355   .769
2031   83,559   201,402   72,202   357,162   .358   .773
2032   84,042   202,130   73,109   359,280   .362   .777
2033   84,545   202,913   73,909   361,368   .364   .781
2034   85,055   203,626   74,745   363,426   .367   .785
2035   85,567   204,251   75,635   365,453   .370   .789
2036   86,134   204,771   76,547   367,452   .374   .794
2037   86,815   205,471   77,133   369,420   .375   .798
2038   87,575   206,261   77,516   371,352   .376   .800
2039   88,429   207,057   77,762   373,248   .376   .803
2040   89,337   207,696   78,066   375,099   .376   .806
2041   90,418   208,212   78,275   376,905   .376   .810
2042   91,517   208,558   78,588   378,663   .377   .816
2043   92,407   209,089   78,873   380,370   .377   .819
2044   93,081   209,723   79,233   382,037   .378   .822
2045   93,604   210,352   79,706   383,662   .379   .824
2046   94,050   211,012   80,196   385,258   .380   .826
2047   94,494   211,641   80,667   386,802   .381   .828
2048   94,942   212,243   81,147   388,333   .382   .830
2049   95,316   213,006   81,515   389,837   .383   .830
2050   95,620   213,721   81,987   391,328   .384   .831
2051   95,874   214,457   82,477   392,808   .385   .832
2052   96,101   215,217   82,975   394,293   .386   .832
2053   96,308   215,948   83,532   395,788   .387   .833
2054   96,500   216,607   84,195   397,303   .389   .834
2055   96,684   217,161   85,002   398,847   .391   .837
2056   96,866   217,737   85,824   400,427   .394   .839
2057   97,054   218,360   86,632   402,046   .397   .841
2058   97,257   219,085   87,368   403,709   .399   .843
2059   97,483   219,885   88,051   405,418   .400   .844
2060   97,740   220,717   88,716   407,174   .402   .845
2061   98,037   221,575   89,358   408,970   .403   .846
2062   98,376   222,408   90,025   410,809   .405   .847
2063   98,758   223,210   90,715   412,683   .406   .849
2064   99,182   223,969   91,435   414,587   .408   .851
2065   99,647   224,663   92,207   416,517   .410   .854
2066   100,150   225,354   92,963   418,467   .413   .857
2067   100,686   226,089   93,654   420,430   .414   .860
2068   101,254   226,767   94,382   422,403   .416   .863
2069   101,847   227,374   95,156   424,377   .419   .866
2070   102,460   227,952   95,938   426,350   .421   .870
2071   103,087   228,480   96,746   428,314   .423   .875
2072   103,719   228,893   97,661   430,273   .427   .880
2073   104,348   229,290   98,582   432,219   .430   .885
2074   104,964   229,828   99,361   434,153   .432   .889
2075   105,559   230,510   99,996   436,065   .434   .892
2076   106,128   231,283   100,553   437,964   .435   .894
2077   106,665   232,147   101,030   439,842   .435   .895
2078   107,169   233,038   101,501   441,708   .436   .895
2079   107,637   233,947   101,973   443,557   .436   .896
2080   108,070   234,871   102,453   445,394   .436   .896
2081   108,469   235,859   102,894   447,222   .436   .896
2082   108,839   236,968   103,237   449,044   .436   .895
2083   109,184   238,162   103,517   450,862   .435   .893
2084   109,508   239,465   103,715   452,687   .433   .890
2085   109,817   240,838   103,858   454,512   .431   .887
2086   110,117   242,393   103,837   456,348   .428   .883
2087   110,414   243,989   103,792   458,195   .425   .878
2088   110,713   245,421   103,925   460,058   .423   .875
2089   111,018   246,677   104,244   461,939   .423   .873
2090   111,335   247,817   104,684   463,835   .422   .872
2091   111,666   248,905   105,183   465,754   .423   .871
2092   112,015   250,009   105,669   467,692   .423   .871
2093   112,383   251,129   106,142   469,654   .423   .870
2094   112,773   252,195   106,671   471,638   .423   .870
2095   113,185   253,204   107,255   473,644   .424   .871
2096   113,618   254,171   107,883   475,671   .424   .871
2097   114,072   255,111   108,535   477,718   .425   .873
2098   114,545   256,024   109,216   479,786   .427   .874
2099   115,035   256,910   109,928   481,873   .428   .876
2100   115,538   257,769   110,668   483,975   .429   .878

Low-cost:
2021   83,404   195,651   56,646   335,701   .290   .716
2022   83,367   196,109   58,221   337,697   .297   .722
2023   83,769   197,121   59,933   340,823   .304   .729
2024   84,450   198,405   61,654   344,508   .311   .736
2025   85,270   199,678   63,364   348,312   .317   .744
2026   86,013   200,738   65,074   351,825   .324   .753
2027   86,538   201,805   66,626   354,969   .330   .759
2028   87,042   202,905   68,104   358,051   .336   .765
2029   87,764   203,902   69,482   361,148   .341   .771
2030   88,701   204,886   70,670   364,257   .345   .778
2031   89,770   205,975   71,612   367,356   .348   .784
2032   90,937   207,080   72,407   370,424   .350   .789
2033   92,132   208,238   73,089   373,459   .351   .793
2034   93,340   209,324   73,798   376,461   .353   .798
2035   94,556   210,320   74,553   379,428   .354   .804
2036   95,829   211,208   75,324   382,361   .357   .810
2037   97,219   212,272   75,765   385,256   .357   .815
2038   98,690   213,422   75,999   388,111   .356   .819
2039   100,255   214,574   76,094   390,923   .355   .822
2040   101,833   215,609   76,246   393,688   .354   .826
2041   103,498   216,605   76,300   396,404   .352   .830
2042   105,110   217,504   76,458   399,072   .352   .835
2043   106,460   218,644   76,590   401,694   .350   .837
2044   107,548   219,937   76,796   404,281   .349   .838
2045   108,451   221,267   77,117   406,835   .349   .839
2046   109,253   222,663   77,456   409,371   .348   .839
2047   110,037   224,054   77,784   411,875   .347   .838
2048   110,817   225,439   78,124   414,380   .347   .838
2049   111,520   227,004   78,358   416,881   .345   .836
2050   112,157   228,535   78,701   419,392   .344   .835
2051   112,755   230,099   79,068   421,922   .344   .834
2052   113,344   231,694   79,448   424,486   .343   .832
2053   113,935   233,266   79,893   427,094   .342   .831
2054   114,539   234,769   80,449   429,758   .343   .831
2055   115,166   236,169   81,153   432,488   .344   .831
2056   115,825   237,591   81,876   435,292   .345   .832
2057   116,523   239,054   82,593   438,170   .345   .833
2058   117,269   240,616   83,242   441,128   .346   .833
2059   118,071   242,246   83,845   444,162   .346   .834
2060   118,935   243,903   84,434   447,272   .346   .834
2061   119,863   245,583   85,002   450,448   .346   .834
2062   120,855   247,237   85,596   453,689   .346   .835
2063   121,908   248,862   86,213   456,983   .346   .836
2064   123,015   250,450   86,859   460,325   .347   .838
2065   124,170   251,981   87,554   463,705   .347   .840
2066   125,366   253,518   88,233   467,117   .348   .843
2067   126,595   255,111   88,845   470,551   .348   .844
2068   127,850   256,662   89,490   474,002   .349   .847
2069   129,122   258,162   90,179   477,463   .349   .849
2070   130,403   259,658   90,869   480,929   .350   .852
2071   131,681   261,133   91,582   484,395   .351   .855
2072   132,945   262,524   92,394   487,863   .352   .858
2073   134,186   263,933   93,209   491,327   .353   .862
2074   135,391   265,516   93,881   494,788   .354   .863
2075   136,555   267,276   94,411   498,242   .353   .864
2076   137,670   269,162   94,864   501,695   .352   .864
2077   138,734   271,173   95,238   505,145   .351   .863
2078   139,749   273,245   95,605   508,599   .350   .861
2079   140,715   275,369   95,973   512,057   .349   .860
2080   141,637   277,540   96,347   515,524   .347   .857
2081   142,523   279,800   96,684   519,007   .346   .855
2082   143,379   282,205   96,923   522,508   .343   .852
2083   144,215   284,713   97,104   526,033   .341   .848
2084   145,040   287,346   97,203   529,589   .338   .843
2085   145,863   290,022   97,293   533,177   .335   .838
2086   146,692   292,809   97,302   536,803   .332   .833
2087   147,537   295,580   97,354   540,471   .329   .829
2088   148,404   298,150   97,630   544,184   .327   .825
2089   149,299   300,515   98,129   547,943   .327   .823
2090   150,226   302,738   98,785   551,748   .326   .823
2091   151,187   304,889   99,527   555,603   .326   .822
2092   152,186   307,037   100,281   559,504   .327   .822
2093   153,222   309,188   101,042   563,452   .327   .822
2094   154,294   311,278   101,874   567,446   .327   .823
2095   155,401   313,309   102,772   571,482   .328   .824
2096   156,539   315,300   103,721   575,560   .329   .825
2097   157,704   317,270   104,701   579,675   .330   .827
2098   158,891   319,224   105,711   583,826   .331   .829
2099   160,096   321,164   106,750   588,010   .332   .831
2100   161,312   323,095   107,816   592,223   .334   .833

High-cost:
2021   82,321   194,445   56,661   333,426   .291   .715
2022   81,432   194,198   58,273   333,904   .300   .719
2023   80,812   194,424   60,041   335,276   .309   .724
2024   80,350   194,897   61,837   337,085   .317   .730
2025   79,938   195,361   63,648   338,948   .326   .735
2026   79,388   195,641   65,484   340,513   .335   .741
2027   78,576   195,951   67,187   341,715   .343   .744
2028   77,695   196,298   68,841   342,833   .351   .746
2029   76,985   196,546   70,418   343,949   .358   .750
2030   76,454   196,784   71,828   345,066   .365   .754
2031   76,023   197,134   73,012   346,169   .370   .756
2032   75,667   197,506   74,070   347,243   .375   .758
2033   75,319   197,936   75,033   348,289   .379   .760
2034   74,971   198,298   76,043   349,311   .383   .762
2035   74,618   198,573   77,116   350,307   .388   .764
2036   74,315   198,745   78,221   351,281   .394   .767
2037   74,121   199,103   79,006   352,230   .397   .769
2038   74,005   199,554   79,591   353,150   .399   .770
2039   73,978   200,017   80,043   354,038   .400   .770
2040   74,071   200,259   80,557   354,887   .402   .772
2041   74,456   200,259   80,976   355,691   .404   .776
2042   74,956   199,992   81,502   356,450   .408   .782
2043   75,324   199,829   81,998   357,151   .410   .787
2044   75,537   199,702   82,570   357,808   .413   .792
2045   75,647   199,514   83,251   358,412   .417   .796
2046   75,717   199,311   83,951   358,978   .421   .801
2047   75,807   199,044   84,617   359,468   .425   .806
2048   75,913   198,724   85,292   359,930   .429   .811
2049   75,953   198,542   85,846   360,341   .432   .815
2050   75,921   198,293   86,496   360,710   .436   .819
2051   75,831   198,051   87,156   361,038   .440   .823
2052   75,699   197,822   87,816   361,336   .444   .827
2053   75,524   197,555   88,527   361,606   .448   .830
2054   75,308   197,210   89,337   361,855   .453   .835
2055   75,054   196,754   90,283   362,091   .459   .840
2056   74,767   196,317   91,237   362,320   .465   .846
2057   74,451   195,929   92,165   362,545   .470   .850
2058   74,117   195,646   93,012   362,774   .475   .854
2059   73,774   195,441   93,796   363,011   .480   .857
2060   73,432   195,273   94,557   363,262   .484   .860
2061   73,103   195,132   95,285   363,520   .488   .863
2062   72,794   194,967   96,033   363,794   .493   .866
2063   72,510   194,768   96,801   364,079   .497   .869
2064   72,256   194,520   97,597   364,373   .502   .873
2065   72,034   194,200   98,443   364,676   .507   .878
2066   71,847   193,866   99,273   364,985   .512   .883
2067   71,694   193,564   100,034   365,292   .517   .887
2068   71,578   193,188   100,834   365,600   .522   .892
2069   71,497   192,721   101,680   365,898   .528   .899
2070   71,449   192,201   102,536   366,187   .533   .905
2071   71,432   191,601   103,419   366,452   .540   .913
2072   71,442   190,851   104,415   366,708   .547   .921
2073   71,472   190,051   105,417   366,940   .555   .931
2074   71,515   189,357   106,278   367,150   .561   .939
2075   71,565   188,771   106,988   367,324   .567   .946
2076   71,614   188,240   107,620   367,473   .572   .952
2077   71,657   187,760   108,165   367,582   .576   .958
2078   71,689   187,271   108,706   367,666   .580   .963
2079   71,704   186,764   109,244   367,712   .585   .969
2080   71,700   186,237   109,787   367,723   .589   .974
2081   71,672   185,744   110,289   367,705   .594   .980
2082   71,621   185,345   110,688   367,655   .597   .984
2083   71,546   185,012   111,016   367,575   .600   .987
2084   71,448   184,767   111,263   367,479   .602   .989
2085   71,328   184,640   111,383   367,351   .603   .990
2086   71,189   184,801   111,215   367,205   .602   .987
2087   71,034   185,086   110,924   367,044   .599   .983
2088   70,866   185,267   110,737   366,870   .598   .980
2089   70,689   185,322   110,672   366,683   .597   .979
2090   70,507   185,301   110,675   366,482   .597   .978
2091   70,322   185,263   110,694   366,279   .597   .977
2092   70,139   185,266   110,661   366,066   .597   .976
2093   69,961   185,307   110,586   365,855   .597   .974
2094   69,792   185,307   110,542   365,642   .597   .973
2095   69,634   185,259   110,536   365,428   .597   .973
2096   69,488   185,173   110,557   365,219   .597   .972
2097   69,358   185,061   110,590   365,009   .598   .972
2098   69,243   184,917   110,644   364,803   .598   .973
2099   69,143   184,739   110,721   364,603   .599   .974
2100   69,060   184,523   110,820   364,403   .601   .975
a Ratio of the population at ages 65 and over to the population at ages 20-64.
b Ratio of the population at ages 65 and over and the population under age 20 to the population at ages 20-64.
c Estimated.
d Estimated, intermediate alternative.

Notes:
1. Historical data are subject to revision.
2. Components may not sum to totals because of rounding.