Year % of total population ages 15-64 (modeled ILO estimate) 1991 65.816 1992 65.907 1993 65.981 1994 66.027 1995 66.054 1996 66.145 1997 66.225 1998 66.274 1999 66.29 2000 66.275 2001 66.365 2002 66.425 2003 65.693 2004 64.956 2005 64.215 2006 63.468 2007 62.714 2008 61.958 2009 61.2 2010 60.442 2011 59.684 2012 58.923 2013 58.163 2014 57.4 2015 56.641 2016 55.892 2017 55.146 2018 54.402 2019 53.657 2020 53.15 2021 53.111 2022 53.489