Year % of total population ages 15+ (national estimate) 1983 55.225430142818524 1984 55.78327024834553 1985 55.48088530864272 1986 55.978176108892214 1987 56.09579104299174 1988 56.435176045242805 1989 56.52293829585105 1990 55.8031201060151 1991 56.38071494641608 1992 57.3772525834507 1993 57.02082363135301 1994 56.86839904417606 1995 57.15750455481373 1996 56.82654953469173 1997 56.067109156057676 1998 56.166619113585156 1999 56.62015515445027 2000 56.53364940206769 2001 56.44152994994458 2002 56.41736719421075 2003 56.53530602501349 2004 56.50371513227488 2005 56.7901253252532 2006 57.09525697954781 2007 57.2515416106268 2008 57.540738245007084 2009 57.56348842263533 2010 57.651868159016445 2011 57.67824071631128 2012 57.97407987665247 2013 58.00847932130795 2014 58.07003289655417 2015 58.042413247913686 2016 58.24740820523071 2017 58.464077243144715 2018 58.54077619813309 2019 58.69708705651184 2020 57.82601581475194 2021 58.21492337215821 2022 58.803102540346615 2023 57.96419976072547