Year % of total population ages 15-64 (modeled ILO estimate) 1991 66.932 1992 66.874 1993 66.787 1994 66.708 1995 66.665 1996 66.668 1997 66.729 1998 66.874 1999 67.132 2000 67.511 2001 67.99 2002 68.545 2003 68.948 2004 69.102 2005 69.318 2006 69.797 2007 70.514 2008 71.406 2009 72.386 2010 73.07 2011 72.484 2012 72.836 2013 72.965 2014 72.598 2015 72.523 2016 72.961 2017 73.498 2018 73.958 2019 74.151 2020 73.269 2021 73.631 2022 74.131