发布日期：2020-04-26 类别：美国
一个国家或地区的老年人口比例直接决定其老龄化程度。人口老龄化是指总人口中因年轻人口数量减少、年长人口数量增加而导致的老年人口比例相应增长的动态。
从国际通用的老龄化标准来看，如果一个国家或地区60岁以上的老年人口，占到了该国家和地区人口总数的10%，或者是65岁以上的老年人口占到了该国家和地区人口总数的7%，就意味着这个国家和地区的人口整体处在老龄化的阶段。
老年人(65岁及以上)占总人口比重历年走势——美国历年老年人(65岁及以上)占总人口比重
| 年份 | 美国老年人(65岁及以上)占总人口比重 |
|---|---|
| 2020年 | |
| 2019年 | |
| 2018 | 15.81% |
| 2017 | 15.42% |
| 2016 | 15.03% |
| 2015 | 14.64% |
| 2014 | 14.27% |
| 2013 | 13.91% |
| 2012 | 13.56% |
| 2011 | 13.25% |
| 2010 | 12.98% |
| 2009 | 12.76% |
| 2008 | 12.6% |
| 2007 | 12.47% |
| 2006 | 12.38% |
| 2005 | 12.31% |
| 2004 | 12.28% |
| 2003 | 12.28% |
| 2002 | 12.29% |
| 2001 | 12.31% |
| 2000 | 12.33% |
| 1999 | 12.4% |
| 1998 | 12.47% |
| 1997 | 12.55% |
| 1996 | 12.61% |
| 1995 | 12.66% |
| 1994 | 12.69% |
| 1993 | 12.7% |
| 1992 | 12.7% |
| 1991 | 12.67% |
| 1990 | 12.63% |
| 1989 | 12.55% |
| 1988 | 12.46% |
| 1987 | 12.36% |
| 1986 | 12.25% |
| 1985 | 12.13% |
| 1984 | 12.02% |
| 1983 | 11.91% |
| 1982 | 11.8% |
| 1981 | 11.69% |
| 1980 | 11.56% |
| 1979 | 11.39% |
| 1978 | 11.22% |
| 1977 | 11.05% |
| 1976 | 10.89% |
| 1975 | 10.73% |
| 1974 | 10.6% |
| 1973 | 10.47% |
| 1972 | 10.33% |
| 1971 | 10.2% |
| 1970 | 10.05% |
| 1969 | 9.94% |
| 1968 | 9.82% |
| 1967 | 9.7% |
| 1966 | 9.58% |
| 1965 | 9.46% |
| 1964 | 9.39% |
| 1963 | 9.32% |
| 1962 | 9.26% |
| 1961 | 9.19% |
| 1960 | 9.12% |
| 1959 | 9.08% |