| Year | Social Security | Pensions | Asset income | Earnings | Other |
|---|---|---|---|---|---|
| 1962 | 31 | 9 | 16 | 29 | 15 |
| 1967 | 34 | 12 | 15 | 29 | 10 |
| 1976 | 39 | 16 | 18 | 23 | 4 |
| 1978 | 38 | 16 | 19 | 23 | 4 |
| 1980 | 39 | 16 | 22 | 19 | 4 |
| 1982 | 39 | 15 | 25 | 18 | 3 |
| 1984 | 38 | 15 | 28 | 16 | 3 |
| 1986 | 38 | 16 | 26 | 17 | 3 |
| 1988 | 37.9 | 17.5 | 24.8 | 17.0 | 2.8 |
| 1990 | 36.4 | 18.3 | 24.5 | 17.7 | 3.1 |
| 1992 | 39.5 | 19.6 | 20.6 | 17.1 | 3.2 |
| 1994 | 42.1 | 18.7 | 17.6 | 18.0 | 3.6 |
| 1996 | 40.3 | 18.5 | 18.0 | 20.0 | 3.2 |
| 1998 | 37.6 | 18.7 | 19.9 | 20.7 | 3.1 |
| 2000 | 38.4 | 18.0 | 17.5 | 23.1 | 3.0 |
| 2001 | 38.6 | 18.1 | 16.1 | 24.4 | 2.8 |
| 2002 | 39.4 | 19.0 | 13.6 | 24.9 | 3.1 |
| 2004 | 38.6 | 19.7 | 12.6 | 26.3 | 2.7 |
| 2006 | 36.7 | 17.9 | 14.9 | 27.8 | 2.7 |
| SOURCE: March Current Population Survey, Survey of the Aged, and Survey of Demographic and Economic Characteristics of the Aged. | |||||
| NOTE: Statistic was not produced in 1971. | |||||
