发布日期：2020-04-26 类别：美国
男女比例失衡是很多国家和地区存在的一个显著人口问题，有一些国家女性过多男性过少，如俄罗斯、乌克兰，同时也有一些国家男性比例过多女性偏少。男女比例失调对社会的良性稳定运行、社会伦理道德体系会造成冲击，如婚配失当、人口拐卖、性行为犯罪、反社会情绪等。
女性占总人口比重历年走势——美国历年女性占总人口比重
| 年份 | 美国女性占总人口比重 |
|---|---|
| 2020年 | |
| 2019年 | |
| 2018 | 50.52% |
| 2017 | 50.52% |
| 2016 | 50.53% |
| 2015 | 50.54% |
| 2014 | 50.55% |
| 2013 | 50.57% |
| 2012 | 50.58% |
| 2011 | 50.6% |
| 2010 | 50.61% |
| 2009 | 50.62% |
| 2008 | 50.63% |
| 2007 | 50.64% |
| 2006 | 50.64% |
| 2005 | 50.65% |
| 2004 | 50.67% |
| 2003 | 50.68% |
| 2002 | 50.7% |
| 2001 | 50.72% |
| 2000 | 50.74% |
| 1999 | 50.77% |
| 1998 | 50.79% |
| 1997 | 50.81% |
| 1996 | 50.84% |
| 1995 | 50.87% |
| 1994 | 50.9% |
| 1993 | 50.93% |
| 1992 | 50.96% |
| 1991 | 50.98% |
| 1990 | 51.0% |
| 1989 | 51.0% |
| 1988 | 50.99% |
| 1987 | 50.97% |
| 1986 | 50.95% |
| 1985 | 50.95% |
| 1984 | 50.95% |
| 1983 | 50.96% |
| 1982 | 50.97% |
| 1981 | 50.97% |
| 1980 | 50.97% |
| 1979 | 50.95% |
| 1978 | 50.92% |
| 1977 | 50.88% |
| 1976 | 50.85% |
| 1975 | 50.82% |
| 1974 | 50.8% |
| 1973 | 50.79% |
| 1972 | 50.78% |
| 1971 | 50.77% |
| 1970 | 50.75% |
| 1969 | 50.72% |
| 1968 | 50.68% |
| 1967 | 50.63% |
| 1966 | 50.59% |
| 1965 | 50.55% |
| 1964 | 50.53% |
| 1963 | 50.5% |
| 1962 | 50.49% |
| 1961 | 50.47% |
| 1960 | 50.46% |
| 1959 | 50.44% |