Year % of total population ages 15-64 (modeled ILO estimate) 1991 57.697 1992 58.069 1993 58.185 1994 58.052 1995 59.006 1996 59.977 1997 60.952 1998 60.764 1999 61.377 2000 61.631 2001 61.877 2002 62.116 2003 62.354 2004 62.595 2005 62.836 2006 63.08 2007 63.325 2008 63.573 2009 63.827 2010 64.075 2011 64.318 2012 64.571 2013 64.835 2014 65.833 2015 66.214 2016 66.598 2017 66.23 2018 66.186 2019 66.099 2020 64.11 2021 64.796 2022 66.322