Estimated number a of fully insured workers, by age group and sex, on December 31, 1969-2025
[In thousands]

Year Total Under
20		 20-24 25-29 30-34 35-39 40-44 45-49 50-54 55-59 60-64 65-69 70-74 75 or
older
1969 105,903 3,767 13,995 12,433 9,953 9,307 9,798 10,003 8,908 7,830 6,613 5,096 3,710 4,491
1970 108,670 4,153 14,916 12,836 10,242 9,283 9,722 9,994 9,079 7,967 6,751 5,228 3,798 4,703
1971 111,168 4,207 15,384 13,609 10,664 9,303 9,620 9,925 9,274 8,088 6,905 5,428 3,842 4,918
1972 113,701 4,248 15,521 14,525 11,251 9,487 9,451 9,898 9,394 8,231 7,028 5,604 3,973 5,091
1973 116,856 4,665 15,932 15,234 11,857 9,771 9,315 9,826 9,553 8,339 7,141 5,806 4,102 5,315
1974 120,290 5,193 16,515 16,073 12,424 9,930 9,320 9,706 9,697 8,447 7,296 5,947 4,268 5,473
1975 123,296 5,341 17,078 16,927 12,830 10,222 9,290 9,640 9,698 8,618 7,452 6,089 4,404 5,707
1976 126,115 5,223 17,487 17,475 13,612 10,656 9,314 9,554 9,643 8,819 7,602 6,249 4,582 5,900
1977 129,126 5,238 17,872 17,715 14,541 11,259 9,504 9,390 9,636 8,942 7,743 6,406 4,744 6,134
1978 133,542 6,198 18,482 18,188 15,297 11,895 9,812 9,279 9,581 9,116 7,833 6,540 4,928 6,394
1979 137,522 6,726 18,969 18,739 16,179 12,478 10,004 9,283 9,494 9,254 7,929 6,718 5,086 6,663
1980 140,595 6,594 19,313 19,351 17,046 12,914 10,305 9,263 9,448 9,272 8,086 6,856 5,219 6,928
1981 143,058 6,056 19,400 19,763 17,637 13,696 10,756 9,298 9,377 9,229 8,276 6,990 5,370 7,208
1982 145,096 5,391 19,151 20,197 17,871 14,634 11,364 9,497 9,228 9,233 8,425 7,089 5,504 7,513
1983 146,629 4,608 18,655 20,484 18,292 15,323 11,977 9,789 9,125 9,181 8,552 7,197 5,622 7,825
1984 148,690 4,173 18,271 20,740 18,775 16,172 12,502 10,002 9,110 9,125 8,703 7,210 5,790 8,117
1985 151,267 4,284 17,916 20,901 19,378 16,999 12,921 10,274 9,114 9,066 8,725 7,378 5,915 8,393
1986 153,758 4,401 17,411 21,048 19,817 17,585 13,679 10,722 9,148 9,007 8,674 7,585 6,020 8,662
1987 156,172 4,529 16,965 20,978 20,294 17,823 14,620 11,307 9,340 8,885 8,681 7,716 6,083 8,950
1988 158,860 4,863 16,565 20,962 20,633 18,280 15,304 11,918 9,625 8,811 8,658 7,810 6,202 9,228
1989 161,756 5,024 16,426 20,898 20,987 18,774 16,173 12,436 9,861 8,803 8,617 7,957 6,243 9,557
1990 164,295 4,791 16,580 20,656 21,263 19,404 16,985 12,847 10,109 8,822 8,567 8,009 6,397 9,864
1991 166,200 4,313 16,576 20,074 21,521 19,892 17,557 13,588 10,537 8,846 8,535 7,989 6,612 10,160
1992 167,752 3,955 16,206 19,530 21,523 20,417 17,783 14,508 11,105 9,017 8,431 8,034 6,765 10,479
1993 169,297 3,742 15,784 19,017 21,506 20,791 18,257 15,180 11,702 9,287 8,356 8,030 6,867 10,777
1994 171,113 3,760 15,359 18,627 21,355 21,137 18,766 16,009 12,205 9,507 8,370 7,962 7,028 11,028
1995 173,295 3,990 14,964 18,639 20,990 21,396 19,374 16,832 12,585 9,762 8,387 7,942 7,083 11,352
1996 175,492 4,234 14,674 18,671 20,448 21,585 19,874 17,376 13,335 10,166 8,438 7,916 7,062 11,714
1997 177,777 4,388 14,800 18,508 19,938 21,628 20,389 17,614 14,234 10,722 8,595 7,858 7,096 12,005
1998 180,251 4,650 15,074 18,242 19,490 21,672 20,778 18,080 14,908 11,303 8,876 7,793 7,104 12,282
1999 182,773 4,864 15,444 17,940 19,170 21,593 21,134 18,615 15,693 11,809 9,070 7,844 7,047 12,551
2000 185,358 4,932 15,976 17,478 19,254 21,261 21,445 19,230 16,530 12,167 9,336 7,851 7,068 12,830
2001 187,620 4,833 16,428 17,175 19,305 20,788 21,652 19,759 17,046 12,912 9,705 7,936 7,037 13,045
2002 189,459 4,425 16,622 17,288 19,175 20,263 21,727 20,258 17,301 13,787 10,266 8,075 6,997 13,274
2003 191,035 3,991 16,647 17,496 18,894 19,820 21,779 20,646 17,753 14,450 10,832 8,336 6,934 13,456
2004 192,839 3,720 16,557 17,825 18,568 19,491 21,702 20,976 18,296 15,204 11,328 8,548 6,979 13,645
2005 194,910 3,627 16,485 18,262 18,054 19,555 21,334 21,303 18,867 16,046 11,713 8,812 7,018 13,834
2006 197,236 3,672 16,442 18,688 17,746 19,564 20,883 21,490 19,399 16,516 12,458 9,205 7,140 14,035
2007 199,582 3,689 16,470 19,026 17,765 19,452 20,357 21,572 19,887 16,774 13,288 9,765 7,302 14,235
2008 201,686 3,581 16,547 19,276 17,961 19,145 19,913 21,618 20,278 17,209 13,886 10,331 7,570 14,370
2009 203,126 3,112 16,343 19,346 18,273 18,794 19,572 21,562 20,582 17,759 14,592 10,798 7,789 14,604
2010 204,217 2,484 15,989 19,344 18,677 18,244 19,616 21,179 20,927 18,278 15,428 11,149 8,052 14,850
2011 205,633 2,147 15,749 19,337 19,061 17,925 19,598 20,724 21,097 18,807 15,874 11,830 8,405 15,080
2012 207,466 2,073 15,646 19,347 19,372 17,904 19,483 20,192 21,164 19,271 16,110 12,633 8,922 15,349
2013 209,556 2,131 15,611 19,535 19,591 18,071 19,158 19,750 21,207 19,649 16,502 13,226 9,445 15,680
2014 212,010 2,222 15,725 19,859 19,702 18,356 18,799 19,416 21,153 19,931 17,003 13,944 9,870 16,030
2015 214,603 2,339 15,821 20,260 19,808 18,791 18,253 19,457 20,788 20,264 17,519 14,687 10,212 16,404
2016 217,308 2,613 15,948 20,597 19,918 19,190 17,931 19,457 20,338 20,432 17,997 15,093 10,894 16,901
2017 219,848 2,771 16,035 20,893 20,042 19,555 17,926 19,347 19,824 20,495 18,452 15,283 11,672 17,552
2018 222,407 2,912 16,208 21,027 20,363 19,831 18,120 19,040 19,404 20,529 18,815 15,643 12,256 18,259
2019 225,012 3,066 16,428 21,002 20,759 20,030 18,424 18,705 19,098 20,494 19,083 16,096 12,934 18,894
2020 226,722 3,088 16,405 20,796 21,146 20,148 18,887 18,178 19,148 20,146 19,367 16,547 13,561 19,304
2021 228,768 3,360 16,588 20,634 21,467 20,295 19,297 17,858 19,148 19,683 19,496 16,938 13,886 20,116
2022 231,423 3,836 16,980 20,501 21,716 20,403 19,680 17,868 19,033 19,187 19,559 17,369 14,057 21,234
2023 233,153 3,706 17,176 20,318 21,701 20,678 19,958 18,057 18,734 18,792 19,589 17,720 14,412 22,313
2024 234,952 3,490 17,415 20,252 21,599 21,011 20,149 18,336 18,401 18,516 19,554 17,986 14,859 23,384
2025 236,624 3,314 17,392 20,381 21,393 21,374 20,255 18,786 17,892 18,587 19,236 18,289 15,290 24,436
Male
1969 61,892 2,506 8,071 6,978 5,762 5,498 5,766 5,807 5,195 4,647 3,872 2,971 2,145 2,675
1970 63,118 2,730 8,519 7,167 5,901 5,462 5,718 5,794 5,260 4,698 3,938 3,017 2,172 2,741
1971 64,167 2,738 8,710 7,560 6,116 5,459 5,650 5,749 5,351 4,733 4,009 3,105 2,177 2,808
1972 65,232 2,733 8,739 8,011 6,427 5,548 5,538 5,732 5,404 4,782 4,061 3,177 2,233 2,847
1973 66,626 2,941 8,920 8,327 6,742 5,690 5,447 5,695 5,482 4,806 4,114 3,261 2,288 2,914
1974 68,131 3,202 9,208 8,718 7,022 5,753 5,432 5,628 5,559 4,836 4,183 3,318 2,353 2,920
1975 69,407 3,234 9,445 9,137 7,203 5,886 5,396 5,583 5,557 4,910 4,248 3,376 2,413 3,018
1976 70,567 3,094 9,622 9,387 7,596 6,104 5,399 5,524 5,520 5,013 4,303 3,447 2,490 3,069
1977 71,841 3,051 9,785 9,479 8,050 6,409 5,488 5,415 5,515 5,075 4,357 3,519 2,555 3,143
1978 73,844 3,591 10,015 9,690 8,388 6,723 5,631 5,332 5,480 5,168 4,383 3,586 2,628 3,229
1979 75,563 3,850 10,180 9,951 8,800 6,999 5,701 5,311 5,422 5,243 4,425 3,666 2,696 3,320
1980 76,795 3,714 10,317 10,242 9,208 7,189 5,826 5,283 5,382 5,247 4,501 3,725 2,751 3,409
1981 77,799 3,383 10,348 10,435 9,467 7,582 6,042 5,287 5,328 5,216 4,606 3,782 2,819 3,504
1982 78,575 2,973 10,201 10,653 9,547 8,036 6,347 5,380 5,226 5,211 4,682 3,826 2,880 3,613
1983 79,143 2,531 9,927 10,798 9,743 8,362 6,653 5,519 5,155 5,178 4,749 3,871 2,939 3,717
1984 80,004 2,286 9,726 10,912 9,981 8,775 6,918 5,603 5,132 5,143 4,825 3,875 3,014 3,818
1985 81,110 2,349 9,524 10,976 10,280 9,174 7,114 5,718 5,120 5,096 4,821 3,961 3,067 3,910
1986 82,161 2,394 9,241 11,037 10,487 9,429 7,495 5,931 5,125 5,048 4,784 4,069 3,113 4,009
1987 83,181 2,442 8,988 10,984 10,721 9,502 7,950 6,229 5,215 4,966 4,779 4,134 3,146 4,125
1988 84,330 2,603 8,774 10,968 10,870 9,703 8,266 6,532 5,353 4,908 4,756 4,174 3,195 4,229
1989 85,663 2,698 8,723 10,948 11,023 9,932 8,679 6,779 5,453 4,892 4,730 4,234 3,214 4,358
1990 86,824 2,571 8,811 10,853 11,162 10,232 9,060 6,967 5,553 4,891 4,702 4,245 3,298 4,477
1991 87,576 2,303 8,761 10,564 11,295 10,469 9,299 7,331 5,751 4,890 4,677 4,234 3,409 4,594
1992 88,171 2,082 8,563 10,288 11,291 10,736 9,369 7,775 6,031 4,967 4,609 4,260 3,484 4,716
1993 88,754 1,966 8,304 10,014 11,284 10,915 9,587 8,080 6,319 5,092 4,560 4,260 3,539 4,836
1994 89,511 1,974 8,066 9,802 11,200 11,080 9,838 8,472 6,558 5,180 4,559 4,231 3,618 4,935
1995 90,392 2,086 7,798 9,782 11,013 11,201 10,133 8,863 6,729 5,284 4,558 4,229 3,634 5,083
1996 91,301 2,189 7,619 9,767 10,730 11,282 10,387 9,097 7,100 5,469 4,573 4,217 3,624 5,247
1997 92,268 2,266 7,655 9,635 10,460 11,286 10,650 9,178 7,537 5,745 4,643 4,183 3,647 5,381
1998 93,322 2,401 7,763 9,456 10,215 11,300 10,837 9,400 7,847 6,025 4,772 4,147 3,652 5,508
1999 94,392 2,517 7,910 9,258 10,030 11,253 10,996 9,667 8,213 6,268 4,847 4,169 3,630 5,634
2000 95,491 2,534 8,179 8,983 10,046 11,079 11,137 9,969 8,612 6,429 4,963 4,163 3,648 5,749
2001 96,457 2,475 8,406 8,797 10,040 10,833 11,223 10,231 8,833 6,797 5,135 4,189 3,639 5,859
2002 97,221 2,250 8,507 8,847 9,936 10,554 11,244 10,483 8,922 7,213 5,414 4,249 3,626 5,976
2003 97,878 2,024 8,497 8,935 9,767 10,320 11,263 10,666 9,135 7,516 5,687 4,375 3,598 6,094
2004 98,657 1,867 8,461 9,094 9,576 10,146 11,218 10,815 9,405 7,864 5,921 4,472 3,621 6,198
2005 99,576 1,808 8,418 9,307 9,276 10,166 11,042 10,963 9,684 8,263 6,092 4,596 3,640 6,320
2006 100,594 1,825 8,381 9,529 9,089 10,146 10,816 11,045 9,949 8,458 6,459 4,781 3,689 6,428
2007 101,623 1,829 8,377 9,704 9,082 10,055 10,545 11,075 10,188 8,553 6,854 5,053 3,767 6,541
2008 102,548 1,777 8,403 9,828 9,165 9,870 10,314 11,100 10,376 8,753 7,124 5,321 3,896 6,621
2009 103,097 1,519 8,296 9,846 9,321 9,660 10,132 11,067 10,507 9,022 7,445 5,540 3,996 6,746
2010 103,460 1,199 8,070 9,829 9,522 9,349 10,138 10,883 10,669 9,276 7,831 5,701 4,116 6,878
2011 104,046 1,051 7,940 9,808 9,717 9,159 10,104 10,660 10,747 9,530 8,022 6,025 4,280 7,004
2012 104,874 1,028 7,902 9,797 9,878 9,136 10,019 10,387 10,777 9,763 8,112 6,404 4,526 7,147
2013 105,841 1,043 7,932 9,882 9,991 9,211 9,830 10,160 10,796 9,941 8,293 6,674 4,770 7,317
2014 106,975 1,094 7,995 10,048 10,035 9,348 9,629 9,989 10,769 10,066 8,538 7,007 4,967 7,490
2015 108,166 1,144 8,047 10,252 10,084 9,570 9,324 9,997 10,596 10,221 8,784 7,349 5,122 7,675
2016 109,429 1,295 8,120 10,422 10,134 9,781 9,134 9,979 10,378 10,299 9,008 7,521 5,446 7,913
2017 110,562 1,363 8,152 10,571 10,181 9,976 9,116 9,899 10,123 10,328 9,227 7,591 5,810 8,226
2018 111,734 1,438 8,236 10,644 10,332 10,122 9,206 9,719 9,908 10,348 9,401 7,747 6,072 8,559
2019 112,908 1,501 8,344 10,633 10,531 10,215 9,357 9,531 9,752 10,330 9,524 7,960 6,377 8,852
2020 113,630 1,509 8,346 10,533 10,722 10,265 9,593 9,238 9,765 10,169 9,650 8,165 6,650 9,027
2021 114,439 1,619 8,438 10,452 10,871 10,321 9,811 9,045 9,744 9,939 9,702 8,341 6,774 9,381
2022 115,533 1,839 8,603 10,371 10,995 10,348 10,011 9,033 9,656 9,689 9,727 8,545 6,831 9,885
2023 116,264 1,757 8,697 10,279 11,005 10,478 10,150 9,123 9,482 9,495 9,741 8,709 6,985 10,365
2024 117,080 1,650 8,822 10,254 10,966 10,640 10,238 9,263 9,299 9,365 9,724 8,825 7,193 10,842
2025 117,795 1,579 8,802 10,323 10,869 10,811 10,276 9,483 9,022 9,398 9,580 8,963 7,388 11,301
Female
1969 44,011 1,260 5,925 5,455 4,191 3,809 4,032 4,195 3,713 3,183 2,742 2,125 1,565 1,816
1970 45,553 1,423 6,397 5,669 4,341 3,820 4,004 4,200 3,818 3,269 2,813 2,211 1,626 1,961
1971 47,001 1,469 6,674 6,049 4,548 3,844 3,971 4,176 3,923 3,354 2,896 2,323 1,665 2,110
1972 48,469 1,516 6,781 6,514 4,824 3,939 3,913 4,166 3,990 3,449 2,966 2,426 1,740 2,244
1973 50,230 1,724 7,012 6,907 5,115 4,081 3,869 4,132 4,071 3,533 3,027 2,546 1,814 2,401
1974 52,159 1,991 7,307 7,355 5,402 4,178 3,889 4,078 4,139 3,611 3,113 2,629 1,915 2,553
1975 53,889 2,106 7,633 7,790 5,627 4,335 3,893 4,058 4,141 3,709 3,204 2,713 1,991 2,689
1976 55,547 2,129 7,865 8,088 6,016 4,552 3,915 4,031 4,123 3,806 3,298 2,802 2,092 2,831
1977 57,285 2,188 8,088 8,236 6,490 4,849 4,016 3,974 4,121 3,868 3,386 2,887 2,189 2,991
1978 59,698 2,607 8,467 8,498 6,908 5,172 4,181 3,947 4,101 3,949 3,449 2,954 2,300 3,164
1979 61,959 2,876 8,789 8,788 7,379 5,479 4,304 3,971 4,071 4,011 3,504 3,053 2,390 3,343
1980 63,800 2,880 8,995 9,109 7,837 5,725 4,479 3,980 4,066 4,026 3,585 3,132 2,468 3,519
1981 65,259 2,673 9,052 9,328 8,171 6,114 4,714 4,011 4,049 4,014 3,670 3,208 2,551 3,704
1982 66,521 2,418 8,950 9,544 8,323 6,598 5,018 4,117 4,002 4,021 3,742 3,263 2,625 3,900
1983 67,486 2,076 8,727 9,686 8,549 6,961 5,324 4,270 3,970 4,003 3,803 3,326 2,683 4,107
1984 68,686 1,887 8,545 9,828 8,794 7,398 5,584 4,399 3,978 3,982 3,879 3,335 2,776 4,300
1985 70,156 1,935 8,392 9,925 9,098 7,825 5,808 4,556 3,994 3,970 3,904 3,417 2,848 4,483
1986 71,597 2,007 8,171 10,011 9,331 8,155 6,184 4,791 4,023 3,958 3,890 3,515 2,906 4,653
1987 72,991 2,087 7,977 9,993 9,573 8,320 6,671 5,078 4,125 3,919 3,903 3,582 2,937 4,826
1988 74,529 2,260 7,791 9,993 9,763 8,577 7,038 5,387 4,272 3,903 3,902 3,636 3,007 5,000
1989 76,093 2,327 7,703 9,950 9,964 8,842 7,494 5,657 4,408 3,911 3,887 3,723 3,030 5,198
1990 77,471 2,220 7,769 9,803 10,101 9,172 7,925 5,880 4,555 3,931 3,865 3,763 3,099 5,386
1991 78,624 2,010 7,815 9,510 10,226 9,423 8,258 6,257 4,786 3,956 3,858 3,755 3,203 5,566
1992 79,582 1,873 7,644 9,241 10,231 9,681 8,414 6,733 5,074 4,050 3,822 3,774 3,281 5,763
1993 80,542 1,776 7,481 9,003 10,222 9,876 8,670 7,100 5,383 4,195 3,797 3,770 3,328 5,941
1994 81,602 1,786 7,293 8,826 10,155 10,057 8,928 7,537 5,647 4,327 3,812 3,731 3,410 6,093
1995 82,903 1,904 7,166 8,857 9,977 10,195 9,241 7,969 5,856 4,478 3,830 3,713 3,448 6,269
1996 84,191 2,045 7,055 8,904 9,718 10,303 9,486 8,279 6,235 4,697 3,865 3,699 3,438 6,467
1997 85,509 2,121 7,145 8,873 9,478 10,342 9,740 8,436 6,697 4,976 3,952 3,675 3,449 6,625
1998 86,930 2,248 7,311 8,786 9,276 10,372 9,941 8,680 7,062 5,278 4,104 3,646 3,452 6,774
1999 88,381 2,347 7,533 8,682 9,139 10,341 10,137 8,948 7,480 5,542 4,222 3,676 3,417 6,917
2000 89,867 2,398 7,797 8,495 9,208 10,182 10,308 9,261 7,918 5,738 4,373 3,688 3,420 7,082
2001 91,164 2,358 8,022 8,379 9,265 9,956 10,429 9,528 8,214 6,114 4,570 3,747 3,398 7,185
2002 92,238 2,175 8,115 8,441 9,239 9,709 10,483 9,775 8,379 6,574 4,852 3,826 3,372 7,298
2003 93,157 1,967 8,150 8,561 9,127 9,500 10,516 9,980 8,618 6,934 5,145 3,961 3,336 7,362
2004 94,183 1,853 8,096 8,731 8,992 9,345 10,484 10,161 8,890 7,340 5,407 4,076 3,358 7,447
2005 95,334 1,819 8,067 8,954 8,779 9,388 10,293 10,340 9,183 7,782 5,620 4,217 3,377 7,514
2006 96,642 1,847 8,061 9,160 8,657 9,419 10,067 10,446 9,450 8,058 5,999 4,424 3,451 7,607
2007 97,959 1,860 8,093 9,322 8,683 9,397 9,813 10,497 9,699 8,221 6,434 4,712 3,535 7,695
2008 99,138 1,804 8,144 9,448 8,796 9,275 9,599 10,519 9,903 8,455 6,763 5,010 3,674 7,749
2009 100,030 1,593 8,048 9,500 8,953 9,135 9,440 10,494 10,074 8,738 7,147 5,257 3,793 7,858
2010 100,757 1,285 7,918 9,515 9,155 8,896 9,478 10,297 10,258 9,002 7,598 5,448 3,935 7,973
2011 101,587 1,096 7,809 9,528 9,344 8,766 9,494 10,065 10,350 9,277 7,852 5,805 4,125 8,076
2012 102,592 1,046 7,744 9,551 9,494 8,768 9,465 9,804 10,387 9,509 7,997 6,229 4,396 8,203
2013 103,715 1,089 7,679 9,653 9,600 8,860 9,328 9,590 10,411 9,708 8,209 6,552 4,674 8,363
2014 105,035 1,128 7,730 9,811 9,667 9,008 9,171 9,426 10,384 9,865 8,465 6,937 4,903 8,540
2015 106,437 1,195 7,774 10,007 9,724 9,221 8,929 9,460 10,192 10,043 8,735 7,338 5,090 8,729
2016 107,879 1,318 7,829 10,175 9,784 9,409 8,797 9,478 9,960 10,133 8,989 7,571 5,448 8,988
2017 109,286 1,408 7,882 10,322 9,861 9,579 8,810 9,448 9,701 10,168 9,225 7,692 5,862 9,326
2018 110,673 1,473 7,972 10,382 10,030 9,709 8,914 9,321 9,496 10,181 9,414 7,895 6,184 9,700
2019 112,104 1,564 8,084 10,369 10,229 9,815 9,066 9,174 9,346 10,164 9,559 8,136 6,557 10,042
2020 113,092 1,579 8,060 10,263 10,424 9,883 9,293 8,941 9,384 9,978 9,717 8,382 6,911 10,277
2021 114,329 1,741 8,149 10,182 10,596 9,974 9,486 8,813 9,404 9,744 9,794 8,598 7,112 10,735
2022 115,890 1,997 8,377 10,131 10,721 10,054 9,670 8,834 9,377 9,498 9,832 8,824 7,226 11,349
2023 116,888 1,948 8,479 10,039 10,696 10,200 9,808 8,935 9,252 9,297 9,849 9,011 7,427 11,948
2024 117,873 1,839 8,594 9,998 10,634 10,371 9,912 9,073 9,102 9,150 9,830 9,161 7,666 12,542
2025 118,829 1,735 8,589 10,058 10,524 10,562 9,979 9,303 8,870 9,189 9,655 9,326 7,902 13,136
      a Figures are subject to revision.

  Source: Social Security Administration, estimates from the 2025 Trustees Report based in part on the Continuous Work History Sample, 1 percent sample.