Estimated number of insured workers,a by insured status, on December 31, 1940-2013

[In millions]

Year Fully insured for retirement and/or survivor benefits Insured in event
of disability
Total Permanently
insured
Not permanently
insured
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 106.0 66.4 39.5 73.2
1970 108.7 67.6 41.1 75.4
1971 111.2 68.8 42.4 77.1
1972 113.8 70.1 43.8 78.8
1973 117.0 71.4 45.6 81.4
1974 120.5 72.9 47.5 84.3
1975 123.9 75.0 48.9 86.3
1976 126.7 76.8 49.9 87.8
1977 129.7 78.8 50.9 89.7
1978 134.2 81.1 53.0 94.1
1979 138.1 83.6 54.5 97.8
1980 141.1 86.0 55.1 100.5
1981 143.5 88.6 54.9 102.3
1982 145.5 91.5 54.0 103.7
1983 147.0 94.5 52.5 104.7
1984 149.0 97.5 51.5 106.3
1985 151.5 100.6 50.9 108.8
1986 154.0 103.9 50.1 111.0
1987 156.4 108.0 48.4 113.2
1988 159.1 111.2 47.9 115.3
1989 161.9 114.0 47.9 117.5
1990 164.4 116.7 47.7 119.4
1991 166.3 119.0 47.3 120.7
1992 167.8 121.3 46.5 121.9
1993 169.2 123.7 45.6 123.3
1994 171.0 126.1 44.9 125.1
1995 173.2 128.3 44.8 127.0
1996 175.3 130.9 44.5 129.1
1997 177.6 133.5 44.0 131.1
1998 180.0 136.1 44.0 133.4
1999 182.6 138.3 44.2 135.7
2000 185.1 140.3 44.8 138.0
2001 187.4 142.2 45.2 140.0
2002 189.2 144.0 45.2 141.3
2003 190.9 146.0 44.9 142.4
2004 192.7 148.0 44.7 143.8
2005 194.8 150.2 44.6 145.5
2006 197.0 152.3 44.8 147.2
2007 199.4 154.5 44.9 148.8
2008 201.4 156.5 45.0 149.8
2009 202.8 158.3 44.5 149.4
2010 203.8 159.9 43.9 148.6
2011 205.7 161.9 43.8 149.6
2012 207.6 163.9 43.8 150.5
2013 209.6 166.0 43.6 150.8
    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)