Year % of total population ages 15-64 (modeled ILO estimate) 1991 57.946 1992 58.1 1993 58.219 1994 58.377 1995 58.536 1996 58.696 1997 58.854 1998 59.009 1999 59.163 2000 59.313 2001 59.46 2002 59.602 2003 59.736 2004 59.861 2005 59.984 2006 60.108 2007 60.233 2008 60.36 2009 60.49 2010 60.62 2011 60.748 2012 60.877 2013 61.066 2014 61.246 2015 61.427 2016 61.615 2017 61.806 2018 62.001 2019 61.944 2020 61.337 2021 61.629 2022 61.828