Year % of total population ages 15+ (modeled ILO estimate) 1991 72.176 1992 72.16 1993 72.119 1994 72.078 1995 72.037 1996 71.996 1997 71.955 1998 71.914 1999 71.873 2000 71.832 2001 71.791 2002 71.75 2003 71.764 2004 71.779 2005 71.793 2006 71.808 2007 71.822 2008 71.837 2009 71.851 2010 71.866 2011 71.88 2012 70.659 2013 69.408 2014 68.127 2015 66.818 2016 65.483 2017 64.123 2018 62.74 2019 62.671 2020 62.076 2021 61.106 2022 62.399 2023 62.709