Workers Insured for Social Security Benefits

**Estimated number of insured workers,^a by insured status, on December 31, 1940-2011**
[In millions]
Year	Fully insured for retirement and/or survivor benefits			Insured in event of disability
Year	Total	Permanently insured	Not permanently insured	Insured in event of disability
1940	24.2	1.1	23.1	…
1941	25.8	1.4	24.4	…
1942	28.1	1.8	26.3	…
1943	29.9	2.3	27.6	…
1944	31.9	2.8	29.1	…
1945	33.4	3.4	30.0	…
1946	35.4	8.6	26.8	…
1947	37.3	11.6	25.7	…
1948	38.9	13.2	25.7	…
1949	40.1	14.9	25.2	…
1950	59.8	21.0	38.8	…
1951	62.8	22.9	39.9	…
1952	68.2	25.6	42.7	…
1953	71.0	27.7	43.4	…
1954	70.2	29.9	40.4	31.9
1955	70.5	32.5	38.0	35.4
1956	74.0	36.1	38.0	37.2
1957	76.1	38.3	37.9	38.4
1958	76.5	40.3	36.2	43.4
1959	76.7	42.2	34.6	46.4
1960	84.4	47.6	36.8	48.5
1961	88.5	53.3	35.3	50.5
1962	89.8	54.9	34.8	51.5
1963	91.3	56.6	34.7	52.3
1964	92.8	58.3	34.5	53.3
1965	94.8	60.2	34.6	55.0
1966	97.2	61.9	35.3	55.7
1967	99.9	63.3	36.6	56.9
1968	102.6	64.5	38.1	70.9
1969	105.8	66.4	39.4	73.2
1970	108.6	67.6	41.0	75.3
1971	111.0	68.7	42.4	77.0
1972	113.7	70.1	43.6	78.8
1973	116.9	71.4	45.5	81.4
1974	120.4	72.9	47.4	84.3
1975	123.9	75.1	48.8	86.3
1976	126.7	76.9	49.8	87.8
1977	129.8	79.0	50.8	89.7
1978	134.0	81.1	52.9	94.1
1979	138.1	83.7	54.3	97.8
1980	141.0	86.0	55.0	100.5
1981	143.4	88.6	54.8	102.3
1982	145.3	91.3	54.0	103.7
1983	146.9	94.5	52.4	104.7
1984	148.8	97.4	51.4	106.3
1985	151.3	100.4	50.8	108.8
1986	153.8	103.8	50.0	111.0
1987	156.1	107.8	48.3	113.1
1988	158.8	111.0	47.7	115.3
1989	161.9	114.1	47.8	117.5
1990	164.2	116.5	47.7	119.4
1991	166.1	118.9	47.2	120.7
1992	167.7	121.3	46.4	121.9
1993	169.3	123.7	45.6	123.3
1994	170.9	126.0	44.9	125.0
1995	173.3	128.5	44.8	127.0
1996	175.4	131.0	44.4	129.0
1997	177.7	133.7	44.0	131.1
1998	180.1	136.2	43.9	133.3
1999	182.8	138.7	44.2	135.6
2000	185.2	140.6	44.6	137.9
2001	187.6	142.6	45.0	139.9
2002	189.7	144.7	45.0	141.2
2003	191.5	146.8	44.7	142.3
2004	193.2	148.7	44.5	143.7
2005	195.3	150.9	44.4	145.4
2006	197.6	153.0	44.6	147.1
2007	200.1	155.3	44.8	148.7
2008	202.3	157.5	44.9	149.5
2009	204.0	159.2	44.8	150.6
2010	205.7	161.1	44.6	151.7
2011	207.4	163.1	44.3	152.6

^a Individuals who have accumulated enough quarters of coverage over their working lifetime to become insured.

Notes: Figures are subject to revision. Totals do not necessarily equal the sum of rounded components.

Source: Continuous Work History Sample (1 percent)


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