TABLE II.H1.--SOCIAL SECURITY AREA POPULATION AS OF JULY 1 AND
           DEPENDENCY RATIOS, BY ALTERNATIVE AND BROAD AGE GROUP,
                         CALENDAR YEARS 1950-2070
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                         Population (in thousands)           Dependency ratio
                 ----------------------------------------  --------------------
                                         65 and
Calendar year      Under 20     20-64      over     Total      Aged1/   Total2/
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Historical data:
  1950...........    53,895    92,739    12,752   159,386       0.138     0.719
  1960...........    72,989    99,842    17,250   190,081        .173      .904
  1965...........    80,124   104,826    19,092   204,041        .182      .946
  1970...........    80,672   113,184    20,920   214,776        .185      .898
  1975...........    78,428   122,852    23,265   224,545        .189      .828
  1980...........    74,553   134,406    26,145   235,104        .195      .749
  1985...........    73,141   144,695    29,026   246,861        .201      .706
  1990...........    74,975   152,614    31,928   259,517        .209      .700
Intermediate:
  1995...........    78,949   159,928    34,205   273,082        .214      .708
  2000...........    81,461   168,352    35,338   285,151        .210      .694
  2005...........    81,982   177,640    36,674   296,296        .206      .668
  2010...........    81,734   185,732    39,642   307,107        .213      .653
  2015...........    81,221   190,925    45,510   317,656        .238      .664
  2020...........    81,758   192,846    52,805   327,409        .274      .698
  2025...........    82,570   192,302    61,118   335,990        .318      .747
  2030...........    83,014   192,107    68,012   343,134        .354      .786
  2035...........    83,015   194,313    71,514   348,841        .368      .795
  2040...........    83,061   197,708    72,568   353,336        .367      .787
  2045...........    83,307   200,602    73,056   356,965        .364      .779
  2050...........    83,700   201,894    74,502   360,096        .369      .784
  2055...........    84,073   202,259    76,750   363,082        .379      .795
  2060...........    84,332   202,143    79,668   366,143        .394      .811
  2065...........    84,521   203,005    81,755   369,281        .403      .819
  2070...........    84,738   204,200    83,373   372,312        .408      .823
Low Cost:
  1995...........    79,095   160,236    34,193   273,525        .213      .707
  2000...........    82,474   169,757    35,123   287,354        .207      .693
  2005...........    84,494   180,107    36,072   300,673        .200      .669
  2010...........    86,422   189,203    38,579   314,204        .204      .661
  2015...........    88,806   195,450    43,967   328,223        .225      .679
  2020...........    92,630   198,888    50,741   342,259        .255      .721
  2025...........    96,633   200,521    58,431   355,585        .291      .773
  2030...........   100,105   203,164    64,596   367,865        .318      .811
  2035...........   103,071   208,837    67,390   379,298        .323      .816
  2040...........   106,048   216,345    67,906   390,299        .314      .804
  2045...........   109,451   223,804    68,031   401,287        .304      .793
  2050...........   113,184   230,169    69,233   412,587        .301      .793
  2055...........   116,888   236,255    71,316   424,459        .302      .797
  2060...........   120,399   242,582    74,043   437,024        .305      .802
  2065...........   123,843   250,183    76,176   450,202        .304      .799
  2070...........   127,414   258,170    78,193   463,777        .303      .796
High Cost:
  1995...........    78,852   159,744    34,222   272,818       0.214     0.708
  2000...........    80,662   167,451    35,570   283,682        .212      .694
  2005...........    79,858   175,855    37,274   292,987        .212      .666
  2010...........    77,652   183,256    40,678   301,587        .222      .646
  2015...........    74,525   187,905    47,037   309,467        .250      .647
  2020...........    72,160   188,901    54,920   315,981        .291      .673
  2025...........    70,281   186,830    63,960   321,071        .342      .719
  2030...........    68,332   184,447    71,780   324,558        .389      .760
  2035...........    66,161   183,783    76,341   326,285        .415      .775
  2040...........    64,245   183,655    78,421   326,321        .427      .777
  2045...........    62,463   182,649    79,829   324,941        .437      .779
  2050...........    60,771   179,686    82,075   322,532        .457      .795
  2055...........    59,172   175,362    84,995   319,529        .485      .822
  2060...........    57,632   170,086    88,551   316,269        .521      .859
  2065...........    56,143   165,779    90,952   312,873        .549      .887
  2070...........    54,728   162,026    92,473   309,228        .571      .909
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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.
Note: Totals do not necessarily equal the sums of rounded components.