| 年份 | 美国15至64岁人口占总人口比重 |
|---|---|
| 2024 | 64.75% |
| 2023 | 64.97% |
| 2022 | 65.20% |
| 2021 | 65.38% |
| 2020 | 65.54% |
| 2019 | 65.72% |
| 2018 | 65.92% |
| 2017 | 66.12% |
| 2016 | 66.32% |
| 2015 | 66.50% |
| 2014 | 66.68% |
| 2013 | 66.89% |
| 2012 | 67.12% |
| 2011 | 67.33% |
| 2010 | 67.46% |
| 2009 | 67.52% |
| 2008 | 67.60% |
| 2007 | 67.67% |
| 2006 | 67.66% |
|
|
|
| 2005 | 67.52% |
| 2004 | 67.34% |
| 2003 | 67.17% |
| 2002 | 67.00% |
| 2001 | 66.83% |
| 2000 | 66.65% |
| 1999 | 66.47% |
| 1998 | 66.28% |
| 1997 | 66.10% |
| 1996 | 65.93% |
| 1995 | 65.80% |
| 1994 | 65.73% |
| 1993 | 65.72% |
| 1992 | 65.79% |
| 1991 | 65.94% |
| 1990 | 66.12% |
| 1989 | 66.32% |
| 1988 | 66.54% |
| 1987 | 66.71% |
| 1986 | 66.80% |
|
|
|
| 1985 | 66.77% |
| 1984 | 66.72% |
| 1983 | 66.70% |
| 1982 | 66.69% |
| 1981 | 66.64% |
| 1980 | 66.52% |
| 1979 | 66.32% |
| 1978 | 66.01% |
| 1977 | 65.62% |
| 1976 | 65.13% |
| 1975 | 64.57% |
| 1974 | 63.98% |
| 1973 | 63.36% |
| 1972 | 62.73% |
| 1971 | 62.17% |
| 1970 | 61.73% |
| 1969 | 61.35% |
| 1968 | 60.95% |
| 1967 | 60.56% |
| 1966 | 60.24% |
| 1965 | 60.04% |
| 1964 | 59.92% |
| 1963 | 59.82% |
| 1962 | 59.70% |
| 1961 | 59.66% |
| 1960 | 59.90% |
| 1959 | 60.33% |