| 年份 | 美国老年人(65岁及以上)占总人口比重 | 日本老年人(65岁及以上)占总人口比重 |
|---|---|---|
| 2024 | 17.93% | 29.78% |
| 2023 | 17.43% | 29.56% |
| 2022 | 16.92% | 29.40% |
| 2021 | 16.47% | 29.22% |
| 2020 | 16.07% | 28.92% |
| 2019 | 15.67% | 28.63% |
| 2018 | 15.29% | 28.35% |
| 2017 | 14.94% | 27.98% |
| 2016 | 14.61% | 27.51% |
| 2015 | 14.31% | 26.92% |
| 2014 | 14.01% | 26.23% |
| 2013 | 13.70% | 25.41% |
| 2012 | 13.38% | 24.51% |
| 2011 | 13.07% | 23.65% |
| 2010 | 12.84% | 23.10% |
| 2009 | 12.67% | 22.76% |
| 2008 | 12.49% | 22.25% |
| 2007 | 12.31% | 21.63% |
| 2006 | 12.18% | 20.98% |
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| 2005 | 12.13% | 20.28% |
| 2004 | 12.11% | 19.62% |
| 2003 | 12.10% | 19.09% |
| 2002 | 12.11% | 18.60% |
| 2001 | 12.14% | 18.03% |
| 2000 | 12.19% | 17.44% |
| 1999 | 12.24% | 16.87% |
| 1998 | 12.30% | 16.32% |
| 1997 | 12.35% | 15.76% |
| 1996 | 12.39% | 15.20% |
| 1995 | 12.41% | 14.66% |
| 1994 | 12.41% | 14.15% |
| 1993 | 12.41% | 13.65% |
| 1992 | 12.39% | 13.15% |
| 1991 | 12.35% | 12.64% |
| 1990 | 12.31% | 12.16% |
| 1989 | 12.22% | 11.71% |
| 1988 | 12.11% | 11.31% |
| 1987 | 11.99% | 10.96% |
| 1986 | 11.85% | 10.64% |
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| 1985 | 11.72% | 10.35% |
| 1984 | 11.59% | 10.03% |
| 1983 | 11.46% | 9.76% |
| 1982 | 11.33% | 9.54% |
| 1981 | 11.21% | 9.30% |
| 1980 | 11.08% | 9.07% |
| 1979 | 10.92% | 8.84% |
| 1978 | 10.75% | 8.60% |
| 1977 | 10.58% | 8.36% |
| 1976 | 10.42% | 8.13% |
| 1975 | 10.27% | 7.92% |
| 1974 | 10.13% | 7.74% |
| 1973 | 10.01% | 7.57% |
| 1972 | 9.90% | 7.39% |
| 1971 | 9.81% | 7.20% |
| 1970 | 9.72% | 7.06% |
| 1969 | 9.62% | 6.95% |
| 1968 | 9.53% | 6.83% |
| 1967 | 9.45% | 6.69% |
| 1966 | 9.37% | 6.50% |
| 1965 | 9.26% | 6.33% |
| 1964 | 9.14% | 6.19% |
| 1963 | 9.07% | 6.07% |
| 1962 | 9.01% | 5.95% |
| 1961 | 8.93% | 5.85% |
| 1960 | 8.83% | 5.74% |
| 1959 | 9.08% | 5.54% |