Population in the Social Security area at end of year:
Estimated number and percent fully insured, by age and sex, 2017-2021
[Numbers in thousands]

Age 2017 2018 2019 2020 2021
Population Percent
fully
insured		 Population Percent
fully
insured		 Population Percent
fully
insured		 Population Percent
fully
insured		 Population Percent
fully
insured
Total
Total 330,162 a 88 331,910 a 89 333,874 a 89 334,228 a 89 334,846 a 89
Under 15 62,691 b 62,371 b 62,063 b 61,394 b 60,508 b
15-19 21,709 13 21,731 13 21,839 12 21,807 12 22,021 11
20-24 22,101 72 22,010 74 22,047 75 22,057 74 22,086 74
25-29 23,378 89 23,429 90 23,345 90 22,954 90 22,668 90
30-34 22,129 91 22,369 91 22,722 91 23,022 91 23,336 91
35-39 21,779 90 22,046 90 22,179 90 22,147 90 22,191 91
40-44 19,959 90 20,253 89 20,601 89 21,052 89 21,432 90
45-49 21,140 91 20,884 91 20,593 91 20,068 90 19,778 90
50-54 21,426 93 21,009 92 20,751 92 20,839 92 20,893 92
55-59 22,163 92 22,203 92 22,160 92 21,773 92 21,316 92
60-64 20,229 92 20,556 92 20,819 92 21,066 92 21,164 92
65-69 17,042 90 17,398 91 17,863 91 18,227 92 18,610 92
70-74 13,118 89 13,702 89 14,351 90 15,033 90 15,347 90
75 and over 21,298 82 21,948 83 22,542 84 22,790 85 23,495 85
Male
Subtotal 163,989 a 90 164,869 a 90 165,846 a 91 165,985 a 91 166,269 a 91
Under 15 32,038 b 31,877 b 31,726 b 31,388 b 30,940 b
15-19 11,092 12 11,101 13 11,160 12 11,143 11 11,257 11
20-24 11,300 72 11,249 73 11,268 74 11,269 74 11,288 74
25-29 11,898 89 11,941 89 11,903 89 11,705 89 11,558 90
30-34 11,212 91 11,319 91 11,498 91 11,651 91 11,819 91
35-39 11,097 90 11,219 90 11,259 90 11,214 91 11,214 91
40-44 10,130 90 10,294 89 10,472 89 10,700 89 10,885 89
45-49 10,669 93 10,542 92 10,399 92 10,134 91 9,990 91
50-54 10,728 94 10,530 94 10,412 94 10,460 93 10,490 93
55-59 10,946 94 10,982 94 10,971 94 10,792 94 10,575 94
60-64 9,808 94 9,976 94 10,119 94 10,249 94 10,308 94
65-69 8,107 94 8,271 94 8,494 94 8,667 94 8,853 94
70-74 6,127 95 6,404 95 6,707 95 7,019 95 7,151 95
75 and over 8,837 93 9,164 93 9,458 94 9,592 94 9,940 94
Female
Subtotal 166,173 a 86 167,041 a 87 168,029 a 87 168,244 a 87 168,576 a 87
Under 15 30,654 b 30,494 b 30,337 b 30,006 b 29,568 b
15-19 10,617 13 10,631 14 10,680 13 10,664 12 10,764 12
20-24 10,801 73 10,761 74 10,779 75 10,787 75 10,799 74
25-29 11,480 90 11,489 90 11,441 90 11,249 91 11,110 91
30-34 10,916 90 11,050 91 11,224 91 11,371 91 11,517 91
35-39 10,682 90 10,828 90 10,920 90 10,932 90 10,978 90
40-44 9,829 90 9,959 89 10,130 89 10,352 90 10,547 90
45-49 10,471 90 10,342 90 10,194 90 9,934 90 9,787 90
50-54 10,698 91 10,479 91 10,339 90 10,379 90 10,403 90
55-59 11,217 91 11,220 91 11,188 91 10,981 91 10,741 91
60-64 10,421 89 10,580 89 10,700 90 10,817 90 10,856 90
65-69 8,935 87 9,127 88 9,369 88 9,560 89 9,757 89
70-74 6,991 84 7,298 85 7,643 86 8,014 86 8,196 87
75 and over 12,461 75 12,784 76 13,084 77 13,197 78 13,555 79

  a Percent of population fully insured aged 20 or older.
  b Less than 0.5 percent.

  Notes:

  1. Population in the Social Security is composed of: (1) residents of the 50 States and the District of Columbia (adjusted for net census undercount); (2) civilian residents of Puerto Rico, the Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands; (3) Federal civilian employees and persons in the U.S. Armed Forces abroad and their dependents; (4) non-citizens living abroad who are insured for Social Security benefits; and (5) all other U.S. citizens abroad.

  2. Population estimates are subject to revision.

  3. Components may not sum to totals because of rounding.

  Source: Social Security Administration, Estimates based on the intermediate assumptions of the 2021 Trustees Report.