Year % of female population 1960 49.3409319610637 1961 48.9228617303165 1962 48.6039802454648 1963 48.3286989324674 1964 48.0904508026202 1965 47.8890892087579 1966 47.7352754420735 1967 47.6537629237798 1968 47.6867504695853 1969 47.8504907643558 1970 48.3791829491792 1971 49.3084640109087 1972 50.3068745778639 1973 51.2341062079282 1974 52.0694774346793 1975 52.7841372857399 1976 53.3529594360499 1977 53.7990887831627 1978 54.1418736418838 1979 54.3822478787321 1980 54.6444540602914 1981 55.1926556460235 1982 55.9180068226121 1983 56.5150531728993 1984 56.9424481679104 1985 57.1215110260367 1986 57.0072394481628 1987 56.6964285714286 1988 56.3811336088564 1989 56.1248374512354 1990 55.9270791482523 1991 55.9236877590771 1992 55.997275311957 1993 55.9822126661454 1994 55.9200837144407 1995 55.9406464269572 1996 56.0287008197504 1997 56.1851017945868 1998 56.5049332778891 1999 56.9394281414597 2000 57.4578858164861 2001 58.1937084857079 2002 59.173316696619 2003 60.2119826778809 2004 61.2230990947851 2005 62.170197972701 2006 63.0182677451604 2007 63.7525959367946 2008 64.3727965120973 2009 64.8820876633215 2010 65.2787860545001 2011 65.5446170599549 2012 65.7107817555579 2013 65.8374607002886 2014 65.9249906152954 2015 65.9896889790399 2016 65.9663197032248 2017 65.8701173658261 2018 65.7697847648051 2019 65.6624292747447 2020 65.5786157919882 2021 65.5063570722931 2022 65.4086245246466 2023 65.2991249950509