Trends in the Social Security and Supplemental Security Income Disability Programs - Text description for the line chart "Substantial gainful activity level and application rates"

Changes in Incentives Influencing Program Size
Application rates for disabled-worker benefits and SSI blind and disabled adult payments and real SGA level, 1970–2003
Year	Disabled-worker application rate (number per thousand)	SSI blind and disabled adult application rate (number per thousand)	Real SGA level (2003 dollars)
1970	11.67	. . .	648.29
1971	12.13	. . .	627.79
1972	12.18	. . .	607.11
1973	13.27	. . .	558.48

1974	15.97	9.12	710.21
1975	15.07	7.42	664.14
1976	14.16	6.47	728.33
1977	13.83	6.64	712.27

1978	12.64	6.53	707.80
1979	12.12	6.74	672.80
1980	12.58	7.10	640.67
1981	11.31	5.94	588.19

1982	9.76	5.26	566.50
1983	9.67	5.57	545.80
1984	9.68	5.74	525.07
1985	9.73	6.87	505.86

1986	10.02	7.13	500.36
1987	9.77	6.86	479.12
1988	8.80	6.40	458.84
1989	8.34	6.39	438.46

1990	8.89	7.07	688.71
1991	9.95	8.12	668.24
1992	10.86	8.93	649.40
1993	11.46	9.49	632.03

1994	11.44	9.06	615.56
1995	10.43	8.18	600.33
1996	9.82	7.53	581.02
1997	8.92	6.54	571.30

1998	8.68	6.51	562.23
1999	8.76	6.47	766.55
2000	9.57	6.80	741.44
2001	10.65	7.25	771.83

2002	11.78	8.08	794.66
2003	13.05	8.72	800.00
SOURCES: Annual Statistical Supplement to the Social Security Bulletin, 2004, Tables 2.A30, 4.C1, and 6.C7; 2004 Annual Report of the Supplemental Security Income Program, Table IV.A1; SSI Annual Statistical Report, 2003, Table 41.
NOTES: Application rates are per 1,000 disability-insured workers for disabled workers and per 1,000 in population aged 18–64 for SSI blind and disabled adults. The reference population for SSI adults is the "Selected Social Security Area Population" of the appropriate age group and includes the population of the United States and several additional areas. See the glossary for a complete definition.
All dollar amounts are in constant (price-adjusted) 2003 dollars.
. . . = not applicable.