Year % of total population ages 15-64 (modeled ILO estimate) 1991 62.82 1992 64.152 1993 64.634 1994 65.362 1995 65.706 1996 65.852 1997 65.709 1998 65.628 1999 65.494 2000 65.413 2001 65.281 2002 65.154 2003 64.993 2004 64.559 2005 64.106 2006 63.565 2007 62.901 2008 62.321 2009 61.871 2010 61.59 2011 61.334 2012 61.065 2013 60.82 2014 60.634 2015 60.483 2016 60.456 2017 60.515 2018 60.509 2019 60.483 2020 59.612 2021 59.925 2022 60.457