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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
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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........... 78,430 122,852 23,265 224,547 .189 .828
1980........... 74,561 134,420 26,148 235,129 .195 .749
1985........... 73,226 144,862 29,059 247,147 .201 .706
1990........... 75,114 152,882 31,974 259,970 .209 .700
1995........... 78,996 159,769 34,207 272,972 .214 .709
Intermediate:
2000........... 81,411 168,106 35,371 284,887 .210 .695
2005........... 81,846 177,346 36,724 295,916 .207 .669
2010........... 81,560 185,393 39,680 306,633 .214 .654
2015........... 81,109 190,470 45,532 317,112 .239 .665
2020........... 81,719 192,289 52,805 326,812 .275 .700
2025........... 82,519 191,705 61,093 335,317 .319 .749
2030........... 82,927 191,502 67,989 342,417 .355 .788
2035........... 82,887 193,757 71,477 348,120 .369 .797
2040........... 82,909 197,166 72,563 352,639 .368 .789
2045........... 83,183 200,040 73,075 356,298 .365 .781
2050........... 83,591 201,295 74,568 359,454 .370 .786
2055........... 83,962 201,649 76,847 362,458 .381 .797
2060........... 84,209 201,598 79,731 365,538 .395 .813
2065........... 84,391 202,540 81,770 368,701 .404 .820
2070........... 84,612 203,778 83,377 371,766 .409 .824
Low Cost:
2000........... 82,244 169,124 35,205 286,573 .208 .694
2005........... 84,036 179,257 36,188 299,480 .202 .671
2010........... 85,726 188,131 38,676 312,533 .206 .661
2015........... 87,942 194,078 44,031 326,050 .227 .680
2020........... 91,664 197,192 50,759 339,614 .257 .722
2025........... 95,619 198,523 58,391 352,534 .294 .776
2030........... 99,031 200,861 64,510 364,402 .321 .814
2035........... 101,920 206,288 67,216 375,425 .326 .820
2040........... 104,800 213,549 67,676 386,026 .317 .808
2045........... 108,075 220,801 67,754 396,631 .307 .796
2050........... 111,722 226,899 68,942 407,563 .304 .796
2055........... 115,363 232,709 71,002 419,073 .305 .801
2060........... 118,808 238,820 73,648 431,276 .308 .806
2065........... 122,167 246,268 75,665 444,100 .307 .803
2070........... 125,643 254,127 77,570 457,340 .305 .800
High Cost:
2000........... 80,669 167,321 35,534 283,524 .212 .694
2005........... 79,801 175,709 37,222 292,732 .212 .666
2010........... 77,578 183,075 40,599 301,253 .222 .646
2015........... 74,553 187,591 46,931 309,075 .250 .648
2020........... 72,312 188,484 54,784 315,580 .291 .674
2025........... 70,389 186,378 63,810 320,577 .342 .720
2030........... 68,381 183,991 71,651 324,023 .389 .761
2035........... 66,140 183,408 76,218 325,766 .416 .776
2040........... 64,143 183,367 78,347 325,858 .427 .777
2045........... 62,402 182,360 79,777 324,540 .437 .780
2050........... 60,725 179,387 82,069 322,181 .457 .796
2055........... 59,107 175,068 85,033 319,208 .486 .823
2060........... 57,530 169,865 88,571 315,966 .521 .860
2065........... 56,011 165,614 90,956 312,581 .549 .887
2070........... 54,582 161,860 92,501 308,943 .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.
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