Year % of female population 1960 1.5414496834434217 1961 1.536541333678008 1962 1.53624982525424 1963 1.538724594974248 1964 1.5402734867783403 1965 1.5386135867465782 1966 1.5349447091683752 1967 1.5296190157331957 1968 1.5221551609792285 1969 1.5117300243045666 1970 1.4983815168435035 1971 1.4811944403703452 1972 1.4603440442651552 1973 1.4396340343150134 1974 1.4233762551209004 1975 1.4125753192589414 1976 1.4073407174074246 1977 1.4084211828949091 1978 1.4134829200539316 1979 1.4171671179996157 1980 1.413570533435796 1981 1.4049105843643221 1982 1.3959696527737466 1983 1.3878710899035775 1984 1.3834512152134661 1985 1.3834644110608454 1986 1.3860647777638841 1987 1.3904617573628237 1988 1.396236375967544 1989 1.4026885598273986 1990 1.409162339837876 1991 1.4156405884020793 1992 1.4232698360773957 1993 1.4304157778662674 1994 1.4351950788377816 1995 1.4378318162982295 1996 1.4385068027523755 1997 1.4376307389687388 1998 1.435430638812533 1999 1.433438423595517 2000 1.431680475196179 2001 1.431008511614221 2002 1.4335470607104732 2003 1.4371849832227903 2004 1.4391926436864022 2005 1.43946612967728 2006 1.4382042301252282 2007 1.4356729136883788 2008 1.433305502823771 2009 1.4327196485177909 2010 1.434654930611588 2011 1.4385575076147745 2012 1.4439284225142681 2013 1.4484896306140271 2014 1.4507772416529905 2015 1.456978954129102 2016 1.4710270171084194 2017 1.4912568900057241 2018 1.5187683404158028 2019 1.5527358812443124 2020 1.5850905999204725 2021 1.6125321633702474 2022 1.6400975970817635 2023 1.6696132386993587