Year % of total population ages 15-64 (modeled ILO estimate) 1991 50.575 1992 50.95 1993 51.322 1994 51.69 1995 52.057 1996 52.788 1997 53.522 1998 54.255 1999 54.985 2000 55.708 2001 55.486 2002 55.268 2003 55.054 2004 54.841 2005 54.627 2006 54.387 2007 54.114 2008 53.832 2009 53.551 2010 54.551 2011 55.545 2012 56.535 2013 57.521 2014 58.512 2015 59.506 2016 60.498 2017 62.391 2018 64.265 2019 66.131 2020 62.097 2021 64.33 2022 66.378