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Social Security Area Population as of July 1 and Dependency Ratios

Updated May 1, 2006

Historical Period Intermediate Assumptions Low Cost Assumptions High Cost Assumptions

Table V.A2.- Social Security Area Population as of July 1 and Dependency Ratios
Calendar Years 1950-2080
Calendar year   Population (in thousands)   Dependency ratio
Under 20   20-64   65 and
over		   Total Aged 1   Total 2

Historical data:
1950   54,466   92,841   12,811   160,118   0.138   0.725
1951   56,419   94,102   13,287   163,808   .141   .741
1952   57,923   94,727   13,719   166,368   .145   .756
1953   59,600   95,209   14,168   168,978   .149   .775
1954   61,398   95,656   14,632   171,687   .153   .795
1955   63,261   96,176   15,073   174,510   .157   .814
1956   65,313   97,075   15,490   177,878   .160   .832
1957   67,401   97,992   15,931   181,324   .163   .850
1958   69,374   98,538   16,393   184,305   .166   .870
1959   71,256   99,129   16,851   187,236   .170   .889
1960   73,076   99,818   17,278   190,172   .173   .905
1961   74,858   100,614   17,679   193,151   .176   .920
1962   76,444   101,576   18,062   196,082   .178   .930
1963   77,766   102,703   18,407   198,876   .179   .936
1964   78,997   103,796   18,746   201,540   .181   .942
1965   80,132   104,795   19,091   204,018   .182   .947
1966   80,743   106,116   19,422   206,281   .183   .944
1967   80,723   107,932   19,766   208,421   .183   .931
1968   80,616   109,755   20,123   210,494   .183   .918
1969   80,571   111,477   20,499   212,547   .184   .907
1970   80,684   113,158   20,923   214,765   .185   .898
1971   80,755   114,913   21,371   217,039   .186   .889
1972   80,502   116,784   21,819   219,105   .187   .876
1973   79,961   118,718   22,276   220,955   .188   .861
1974   79,247   120,742   22,767   222,755   .189   .845
1975   78,437   122,857   23,305   224,599   .190   .828
1976   77,576   125,054   23,871   226,501   .191   .811
1977   76,700   127,366   24,457   228,524   .192   .794
1978   75,884   129,750   25,053   230,687   .193   .778
1979   75,161   132,117   25,653   232,932   .194   .763
1980   74,568   134,428   26,237   235,233   .195   .750
1981   74,126   136,693   26,808   237,627   .196   .738
1982   73,788   138,891   27,425   240,104   .197   .729
1983   73,493   141,028   28,020   242,541   .199   .720
1984   73,249   143,096   28,578   244,922   .200   .712
1985   73,211   144,957   29,167   247,335   .201   .706
1986   73,393   146,603   29,805   249,800   .203   .704
1987   73,703   148,197   30,413   252,313   .205   .703
1988   74,099   149,840   30,954   254,892   .207   .701
1989   74,545   151,581   31,483   257,608   .208   .699
1990   75,060   153,368   32,029   260,458   .209   .698
1991   75,749   155,036   32,587   263,372   .210   .699
1992   76,690   156,522   33,130   266,342   .212   .702
1993   77,751   157,931   33,591   269,273   .213   .705
1994   78,740   159,370   33,971   272,081   .213   .707
1995   79,621   160,844   34,322   274,786   .213   .708
1996   80,433   162,458   34,620   277,511   .213   .708
1997   81,123   164,267   34,858   280,248   .212   .706
1998   81,710   166,161   35,027   282,898   .211   .703
1999   82,192   168,149   35,176   285,517   .209   .698
2000   82,581   170,275   35,431   288,287   .208   .693
2001   82,906   172,613   35,755   291,274   .207   .687
2002   83,172   175,034   36,077   294,284   .206   .681
2003 3   83,432   177,319   36,374   297,125   .205   .676
2004 3   83,705   179,447   36,625   299,777   .204   .671
2005 3   83,963   181,457   36,902   302,323   .203   .666

Intermediate:
2006   84,218   183,364   37,267   304,849   .203   .663
2007   84,472   185,082   37,786   307,340   .204   .661
2008   84,697   186,659   38,442   309,798   .206   .660
2009   84,838   188,316   39,110   312,264   .208   .658
2010   84,895   190,083   39,762   314,741   .209   .656
2011   84,959   191,627   40,640   317,226   .212   .655
2012   85,087   192,733   41,898   319,719   .217   .659
2013   85,283   193,681   43,251   322,215   .223   .664
2014   85,525   194,629   44,556   324,710   .229   .668
2015   85,796   195,496   45,910   327,202   .235   .674
2016   86,106   196,245   47,311   329,662   .241   .680
2017   86,466   196,874   48,746   332,086   .248   .687
2018   86,859   197,405   50,233   334,497   .254   .694
2019   87,247   197,826   51,819   336,892   .262   .703
2020   87,547   198,213   53,510   339,269   .270   .712
2021   87,736   198,642   55,248   341,626   .278   .720
2022   87,883   199,059   57,016   343,957   .286   .728
2023   88,003   199,475   58,777   346,256   .295   .736
2024   88,233   199,736   60,545   348,514   .303   .745
2025   88,597   199,789   62,343   350,729   .312   .755
2026   88,942   199,847   64,082   352,871   .321   .766
2027   89,266   199,965   65,705   354,936   .329   .775
2028   89,574   200,139   67,233   356,946   .336   .783
2029   89,863   200,347   68,688   358,899   .343   .791
2030   90,133   200,644   70,017   360,794   .349   .798
2031   90,385   201,120   71,128   362,633   .354   .803
2032   90,625   201,748   72,045   364,418   .357   .806
2033   90,855   202,431   72,864   366,150   .360   .809
2034   91,076   203,037   73,715   367,827   .363   .812
2035   91,288   203,518   74,645   369,451   .367   .815
2036   91,494   204,028   75,502   371,024   .370   .818
2037   91,694   204,721   76,132   372,548   .372   .820
2038   91,890   205,594   76,541   374,025   .372   .819
2039   92,082   206,520   76,859   375,460   .372   .818
2040   92,268   207,416   77,172   376,856   .372   .817
2041   92,449   208,311   77,455   378,215   .372   .816
2042   92,629   209,180   77,734   379,543   .372   .814
2043   92,813   209,977   78,055   380,844   .372   .814
2044   93,002   210,647   78,472   382,122   .373   .814
2045   93,199   211,166   79,014   383,379   .374   .816
2046   93,404   211,628   79,589   384,621   .376   .817
2047   93,619   212,130   80,103   385,852   .378   .819
2048   93,843   212,709   80,522   387,075   .379   .820
2049   94,077   213,334   80,882   388,293   .379   .820
2050   94,318   213,935   81,257   389,510   .380   .821
2051   94,563   214,511   81,656   390,730   .381   .821
2052   94,810   215,085   82,059   391,955   .382   .822
2053   95,057   215,634   82,495   393,186   .383   .823
2054   95,303   216,097   83,025   394,425   .384   .825
2055   95,550   216,474   83,651   395,675   .386   .828
2056   95,796   216,845   84,293   396,934   .389   .830
2057   96,040   217,265   84,899   398,204   .391   .833
2058   96,283   217,737   85,465   399,485   .393   .835
2059   96,522   218,247   86,008   400,777   .394   .836
2060   96,760   218,777   86,543   402,079   .396   .838
2061   96,994   219,348   87,049   403,391   .397   .839
2062   97,225   219,969   87,516   404,710   .398   .840
2063   97,452   220,617   87,965   406,034   .399   .840
2064   97,676   221,257   88,429   407,363   .400   .841
2065   97,897   221,816   88,980   408,693   .401   .842
2066   98,115   222,274   89,633   410,023   .403   .845
2067   98,330   222,696   90,324   411,351   .406   .847
2068   98,544   223,098   91,033   412,675   .408   .850
2069   98,756   223,608   91,633   413,997   .410   .851
2070   98,968   224,244   92,103   415,315   .411   .852
2071   99,180   224,879   92,570   416,629   .412   .853
2072   99,392   225,509   93,036   417,937   .413   .853
2073   99,606   226,130   93,503   419,239   .413   .854
2074   99,821   226,740   93,974   420,535   .414   .855
2075   100,039   227,337   94,451   421,827   .415   .856
2076   100,258   227,920   94,935   423,112   .417   .856
2077   100,480   228,490   95,424   424,393   .418   .857
2078   100,704   229,048   95,917   425,669   .419   .858
2079   100,930   229,597   96,415   426,942   .420   .860
2080   101,159   230,137   96,918   428,214   .421   .861

Low Cost:
2006   84,370   183,451   37,265   305,086   .203   .663
2007   84,799   185,360   37,776   307,935   .204   .661
2008   85,249   187,202   38,420   310,871   .205   .661
2009   85,640   189,129   39,067   313,836   .207   .659
2010   85,973   191,168   39,692   316,833   .208   .657
2011   86,341   192,986   40,535   319,862   .210   .657
2012   86,801   194,370   41,750   322,922   .215   .661
2013   87,357   195,597   43,055   326,010   .220   .667
2014   87,990   196,827   44,306   329,123   .225   .672
2015   88,679   197,977   45,601   332,257   .230   .678
2016   89,438   199,011   46,936   335,386   .236   .685
2017   90,274   199,929   48,301   338,504   .242   .693
2018   91,174   200,749   49,711   341,634   .248   .702
2019   92,096   201,464   51,214   344,774   .254   .711
2020   92,960   202,147   52,815   347,922   .261   .721
2021   93,743   202,875   54,457   351,075   .268   .730
2022   94,512   203,594   56,121   354,228   .276   .740
2023   95,285   204,314   57,774   357,373   .283   .749
2024   96,188   204,892   59,424   360,504   .290   .759
2025   97,235   205,286   61,098   363,618   .298   .771
2026   98,275   205,706   62,705   366,687   .305   .783
2027   99,305   206,211   64,192   369,707   .311   .793
2028   100,327   206,799   65,577   372,702   .317   .802
2029   101,339   207,450   66,884   375,673   .322   .811
2030   102,342   208,219   68,059   378,621   .327   .818
2031   103,326   209,195   69,015   381,536   .330   .824
2032   104,285   210,351   69,774   384,409   .332   .827
2033   105,222   211,589   70,434   387,245   .333   .830
2034   106,140   212,780   71,124   390,044   .334   .833
2035   107,043   213,877   71,892   392,811   .336   .837
2036   107,933   215,030   72,586   395,549   .338   .840
2037   108,813   216,390   73,060   398,263   .338   .840
2038   109,687   217,954   73,319   400,960   .336   .840
2039   110,555   219,594   73,494   403,644   .335   .838
2040   111,418   221,232   73,670   406,320   .333   .837
2041   112,278   222,891   73,826   408,995   .331   .835
2042   113,140   224,549   73,986   411,675   .329   .833
2043   114,007   226,160   74,198   414,365   .328   .832
2044   114,884   227,672   74,515   417,070   .327   .832
2045   115,772   229,058   74,965   419,795   .327   .833
2046   116,671   230,414   75,460   422,545   .327   .834
2047   117,582   231,837   75,906   425,325   .327   .835
2048   118,503   233,363   76,271   428,138   .327   .835
2049   119,433   234,964   76,589   430,986   .326   .834
2050   120,368   236,575   76,931   433,874   .325   .834
2051   121,316   238,181   77,306   436,803   .325   .834
2052   122,283   239,800   77,692   439,775   .324   .834
2053   123,268   241,406   78,116   442,789   .324   .834
2054   124,267   242,946   78,635   445,848   .324   .835
2055   125,278   244,420   79,252   448,950   .324   .837
2056   126,300   245,911   79,885   452,096   .325   .838
2057   127,329   247,472   80,483   455,284   .325   .840
2058   128,362   249,111   81,039   458,512   .325   .841
2059   129,399   250,812   81,570   461,781   .325   .841
2060   130,437   252,563   82,088   465,088   .325   .841
2061   131,474   254,383   82,574   468,430   .325   .841
2062   132,510   256,281   83,017   471,807   .324   .841
2063   133,543   258,237   83,436   475,215   .323   .840
2064   134,572   260,217   83,865   478,654   .322   .839
2065   135,597   262,150   84,373   482,120   .322   .839
2066   136,618   264,018   84,976   485,612   .322   .839
2067   137,637   265,884   85,609   489,129   .322   .840
2068   138,652   267,765   86,254   492,671   .322   .840
2069   139,666   269,775   86,796   496,238   .322   .839
2070   140,681   271,923   87,226   499,830   .321   .838
2071   141,696   274,085   87,667   503,448   .320   .837
2072   142,715   276,254   88,123   507,092   .319   .836
2073   143,738   278,423   88,600   510,761   .318   .834
2074   144,768   280,588   89,103   514,459   .318   .834
2075   145,804   282,746   89,634   518,184   .317   .833
2076   146,849   284,895   90,194   521,939   .317   .832
2077   147,902   287,038   90,783   525,723   .316   .832
2078   148,964   289,174   91,399   529,537   .316   .831
2079   150,035   291,305   92,042   533,382   .316   .831
2080   151,116   293,433   92,711   537,259   .316   .831

High Cost:
2006   84,058   183,253   37,266   304,577   .203   .662
2007   84,144   184,797   37,795   306,735   .205   .660
2008   84,177   186,194   38,470   308,840   .207   .659
2009   84,103   187,669   39,165   310,937   .209   .657
2010   83,919   189,254   39,854   313,027   .211   .654
2011   83,717   190,616   40,776   315,109   .214   .653
2012   83,553   191,539   42,087   317,178   .220   .656
2013   83,428   192,304   43,500   319,232   .226   .660
2014   83,325   193,069   44,872   321,266   .232   .664
2015   83,222   193,753   46,302   323,277   .239   .669
2016   83,133   194,317   47,786   325,236   .246   .674
2017   83,067   194,761   49,312   327,140   .253   .680
2018   83,009   195,105   50,897   329,011   .261   .686
2019   82,919   195,337   52,591   330,847   .269   .694
2020   82,716   195,532   54,398   332,646   .278   .701
2021   82,375   195,768   56,263   334,406   .287   .708
2022   81,967   195,988   58,165   336,120   .297   .715
2023   81,504   196,206   60,072   337,782   .306   .722
2024   81,136   196,256   61,994   339,385   .316   .729
2025   80,894   196,074   63,956   340,924   .326   .739
2026   80,637   195,888   65,870   342,395   .336   .748
2027   80,362   195,754   67,677   343,793   .346   .756
2028   80,066   195,651   69,397   345,114   .355   .764
2029   79,747   195,556   71,053   346,356   .363   .771
2030   79,403   195,523   72,591   347,517   .371   .777
2031   79,047   195,644   73,915   348,606   .378   .782
2032   78,695   195,893   75,049   349,638   .383   .785
2033   78,348   196,171   76,090   350,608   .388   .787
2034   78,006   196,344   77,168   351,517   .393   .790
2035   77,668   196,363   78,331   352,363   .399   .794
2036   77,335   196,387   79,422   353,144   .404   .798
2037   77,006   196,571   80,285   353,862   .408   .800
2038   76,682   196,914   80,921   354,517   .411   .800
2039   76,361   197,287   81,463   355,111   .413   .800
2040   76,040   197,608   81,995   355,644   .415   .800
2041   75,721   197,904   82,493   356,118   .417   .799
2042   75,406   198,150   82,980   356,537   .419   .799
2043   75,099   198,302   83,502   356,903   .421   .800
2044   74,802   198,302   84,115   357,219   .424   .801
2045   74,518   198,124   84,844   357,486   .428   .804
2046   74,248   197,864   85,599   357,711   .433   .808
2047   73,993   197,623   86,281   357,896   .437   .811
2048   73,753   197,437   86,854   358,044   .440   .813
2049   73,530   197,274   87,354   358,159   .443   .816
2050   73,323   197,061   87,860   358,244   .446   .818
2051   73,120   196,806   88,380   358,305   .449   .821
2052   72,905   196,543   88,896   358,344   .452   .823
2053   72,681   196,244   89,438   358,364   .456   .826
2054   72,449   195,848   90,071   358,368   .460   .830
2055   72,209   195,349   90,799   358,358   .465   .834
2056   71,964   194,831   91,540   358,336   .470   .839
2057   71,715   194,346   92,244   358,305   .475   .844
2058   71,461   193,897   92,907   358,265   .479   .848
2059   71,204   193,467   93,547   358,218   .484   .852
2060   70,946   193,039   94,181   358,166   .488   .855
2061   70,687   192,633   94,788   358,107   .492   .859
2062   70,427   192,255   95,358   358,041   .496   .862
2063   70,168   191,885   95,913   357,967   .500   .866
2064   69,910   191,485   96,489   357,884   .504   .869
2065   69,654   190,977   97,158   357,790   .509   .873
2066   69,401   190,342   97,939   357,683   .515   .879
2067   69,152   189,645   98,765   357,562   .521   .885
2068   68,906   188,902   99,617   357,425   .527   .892
2069   68,664   188,256   100,353   357,273   .533   .898
2070   68,427   187,736   100,942   357,105   .538   .902
2071   68,195   187,211   101,512   356,918   .542   .907
2072   67,967   186,681   102,063   356,712   .547   .911
2073   67,743   186,145   102,596   356,484   .551   .915
2074   67,524   185,602   103,111   356,237   .556   .919
2075   67,308   185,048   103,612   355,968   .560   .924
2076   67,095   184,486   104,095   355,677   .564   .928
2077   66,886   183,916   104,562   355,364   .569   .932
2078   66,680   183,341   105,008   355,029   .573   .936
2079   66,476   182,763   105,435   354,674   .577   .941
2080   66,274   182,183   105,844   354,301   .581   .945
1 Population aged 65 and over, divided by population aged 20-64.
2 Sum of population aged 65 and over, and population under age 20, divided by population aged 20-64.
3 Preliminary or estimated.
Notes:
1. Historical data are subject to revision.
2. Totals do not necessarily equal the sums of rounded components.

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