Year % of total population ages 15-64 (modeled ILO estimate) 1991 76.639 1992 78.45 1993 80.575 1994 82.542 1995 83.786 1996 83.889 1997 83.639 1998 83.104 1999 82.744 2000 82.096 2001 79.96 2002 77.927 2003 75.893 2004 73.544 2005 71.882 2006 70.102 2007 66.758 2008 65.368 2009 65.403 2010 65.138 2011 65.379 2012 65.83 2013 66.218 2014 67.212 2015 67.937 2016 69.334 2017 70.091 2018 70.8 2019 74.124 2020 73.303 2021 74.299 2022 76.589