Year % of total population ages 15-64 (modeled ILO estimate) 1991 56.719 1992 57.94 1993 58.656 1994 59.193 1995 60.174 1996 60.911 1997 61.007 1998 61.175 1999 61.326 2000 60.652 2001 59.846 2002 59.431 2003 59.991 2004 60.459 2005 60.789 2006 62.016 2007 62.581 2008 63.988 2009 63.883 2010 64.233 2011 65.51 2012 65.346 2013 65.473 2014 65.799 2015 65.795 2016 65.6 2017 66.005 2018 66.127 2019 65.821 2020 63.139 2021 64.766 2022 67.788