美国历年儿童(14岁及以下)占总人口比重
年份 |
美国儿童(14岁及以下)占总人口比重 |
2021 |
18.24% |
2020 |
18.51% |
2019 |
18.74% |
2018 |
18.91% |
2017 |
19.06% |
2016 |
19.17% |
2015 |
19.30% |
2014 |
19.42% |
2013 |
19.54% |
2012 |
19.64% |
2011 |
19.74% |
2010 |
19.87% |
2009 |
20.01% |
2008 |
20.14% |
2007 |
20.27% |
2006 |
20.42% |
2005 |
20.61% |
2004 |
20.82% |
2003 |
20.99% |
|
2002 |
21.14% |
2001 |
21.29% |
2000 |
21.43% |
1999 |
21.53% |
1998 |
21.59% |
1997 |
21.65% |
1996 |
21.72% |
1995 |
21.80% |
1994 |
21.86% |
1993 |
21.86% |
1992 |
21.79% |
1991 |
21.68% |
1990 |
21.56% |
1989 |
21.44% |
1988 |
21.36% |
1987 |
21.32% |
1986 |
21.38% |
1985 |
21.53% |
1984 |
21.71% |
1983 |
21.88% |
|
1982 |
22.05% |
1981 |
22.23% |
1980 |
22.47% |
1979 |
22.83% |
1978 |
23.29% |
1977 |
23.83% |
1976 |
24.44% |
1975 |
25.11% |
1974 |
25.78% |
1973 |
26.46% |
1972 |
27.13% |
1971 |
27.75% |
1970 |
28.28% |
1969 |
28.79% |
1968 |
29.28% |
1967 |
29.72% |
1966 |
30.25% |
1965 |
30.58% |
1964 |
30.54% |
1963 |
30.57% |
1962 |
30.75% |
1961 |
30.91% |
1960 |
30.82% |
1959 |
30.59% |