Year % of female population 1960 0.559861398283132 1961 0.5568371515637867 1962 0.5542849470447007 1963 0.5514660522642229 1964 0.5489841718984333 1965 0.5468825583628978 1966 0.5450471615176038 1967 0.5437356132466195 1968 0.5432274754143994 1969 0.5431987896821873 1970 0.5430791775716849 1971 0.5428471562387458 1972 0.5426699379530834 1973 0.5427796454126731 1974 0.542736636255192 1975 0.5424115252474417 1976 0.5429361086868211 1977 0.5441711927335983 1978 0.5453473868275363 1979 0.54660772423608 1980 0.547056645532364 1981 0.5469039900307064 1982 0.5473789818763672 1983 0.5475154263239421 1984 0.5473102632091191 1985 0.5473312415669124 1986 0.5475772716142434 1987 0.5485284546632246 1988 0.5495864137430743 1989 0.5504523446732403 1990 0.5511882347935708 1991 0.5517127396112529 1992 0.551624255265551 1993 0.5508630406530567 1994 0.5500916645773589 1995 0.5495863065598415 1996 0.5495097982294771 1997 0.5503642514669693 1998 0.5522434294717267 1999 0.5553657813824632 2000 0.5599887341951669 2001 0.5652408902601744 2002 0.5701853406217327 2003 0.573896117217893 2004 0.5759133620165989 2005 0.5764712709240601 2006 0.5758549864438132 2007 0.574059380871567 2008 0.5712659224247073 2009 0.5681964067237948 2010 0.5654396363887452 2011 0.5635276561807288 2012 0.5628700989890053 2013 0.5634913824715154 2014 0.5651329999073783 2015 0.5674519448855593 2016 0.5704239495607456 2017 0.5738799366070076 2018 0.5779172698892077 2019 0.5830305278707177 2020 0.587586167247807 2021 0.5894474431798088 2022 0.5903832482222785 2023 0.5923208008428429