Year % of total population ages 15-64 (modeled ILO estimate) 1991 68.102 1992 69.594 1993 70.268 1994 70.313 1995 70.486 1996 70.565 1997 70.326 1998 70.009 1999 68.461 2000 67.318 2001 68.067 2002 69.842 2003 69.347 2004 69.347 2005 69.815 2006 71.701 2007 73.247 2008 74.834 2009 74.209 2010 73.483 2011 73.325 2012 74.916 2013 74.576 2014 74.927 2015 76.134 2016 76.734 2017 77.405 2018 78.255 2019 78.021 2020 78.954 2021 76.568 2022 77.651