Year % of total population ages 15+ (modeled ILO estimate) 1991 72.177 1992 72.247 1993 72.3 1994 71.853 1995 71.402 1996 70.946 1997 70.486 1998 70.022 1999 69.554 2000 69.082 2001 68.605 2002 68.125 2003 67.641 2004 67.153 2005 66.661 2006 66.166 2007 65.667 2008 65.165 2009 64.659 2010 64.15 2011 63.637 2012 63.122 2013 62.604 2014 62.082 2015 61.558 2016 61.031 2017 60.502 2018 59.97 2019 59.876 2020 59.307 2021 59.193 2022 60.22 2023 60.337