Year % of total population ages 15+ (modeled ILO estimate) 1991 70.248 1992 70.258 1993 70.253 1994 70.234 1995 70.199 1996 70.226 1997 70.224 1998 70.206 1999 70.186 2000 70.171 2001 70.197 2002 70.22 2003 70.24 2004 70.256 2005 70.268 2006 70.336 2007 70.387 2008 70.425 2009 70.452 2010 70.466 2011 70.539 2012 70.587 2013 70.612 2014 70.62 2015 70.56 2016 69.865 2017 69.16 2018 68.277 2019 67.378 2020 65.92 2021 66.015 2022 66.693 2023 67.006