| 年份 | 中国儿童(14岁及以下)占总人口比重 | 美国儿童(14岁及以下)占总人口比重 |
|---|---|---|
| 2024 | 16.01% | 17.32% |
| 2023 | 16.59% | 17.59% |
| 2022 | 17.12% | 17.88% |
| 2021 | 17.58% | 18.15% |
| 2020 | 17.95% | 18.39% |
| 2019 | 18.20% | 18.61% |
| 2018 | 18.33% | 18.79% |
| 2017 | 18.35% | 18.94% |
| 2016 | 18.30% | 19.07% |
| 2015 | 18.32% | 19.19% |
| 2014 | 18.33% | 19.31% |
| 2013 | 18.31% | 19.41% |
| 2012 | 18.30% | 19.51% |
| 2011 | 18.34% | 19.60% |
| 2010 | 18.47% | 19.70% |
| 2009 | 18.65% | 19.81% |
| 2008 | 18.87% | 19.91% |
| 2007 | 19.17% | 20.02% |
| 2006 | 19.59% | 20.16% |
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| 2005 | 20.29% | 20.35% |
| 2004 | 21.19% | 20.55% |
| 2003 | 22.04% | 20.73% |
| 2002 | 22.93% | 20.89% |
| 2001 | 23.81% | 21.03% |
| 2000 | 24.54% | 21.16% |
| 1999 | 25.17% | 21.29% |
| 1998 | 25.73% | 21.41% |
| 1997 | 26.34% | 21.55% |
| 1996 | 26.95% | 21.68% |
| 1995 | 27.43% | 21.79% |
| 1994 | 27.83% | 21.87% |
| 1993 | 28.15% | 21.87% |
| 1992 | 28.40% | 21.82% |
| 1991 | 28.65% | 21.71% |
| 1990 | 28.80% | 21.57% |
| 1989 | 28.95% | 21.46% |
| 1988 | 29.33% | 21.35% |
| 1987 | 29.82% | 21.30% |
| 1986 | 30.41% | 21.35% |
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| 1985 | 31.24% | 21.51% |
| 1984 | 32.24% | 21.69% |
| 1983 | 33.33% | 21.84% |
| 1982 | 34.26% | 21.98% |
| 1981 | 35.07% | 22.15% |
| 1980 | 36.10% | 22.40% |
| 1979 | 37.22% | 22.77% |
| 1978 | 38.57% | 23.25% |
| 1977 | 39.82% | 23.80% |
| 1976 | 40.29% | 24.45% |
| 1975 | 40.25% | 25.16% |
| 1974 | 40.16% | 25.89% |
| 1973 | 40.15% | 26.64% |
| 1972 | 40.40% | 27.37% |
| 1971 | 40.65% | 28.02% |
| 1970 | 40.79% | 28.55% |
| 1969 | 40.96% | 29.03% |
| 1968 | 41.04% | 29.52% |
| 1967 | 41.28% | 29.99% |
| 1966 | 41.51% | 30.39% |
| 1965 | 41.46% | 30.70% |
| 1964 | 41.20% | 30.93% |
| 1963 | 40.59% | 31.11% |
| 1962 | 39.96% | 31.29% |
| 1961 | 39.95% | 31.40% |
| 1960 | 40.33% | 31.27% |
| 1959 | 39.14% | 30.59% |