Year % of total population ages 15+ (modeled ILO estimate) 1991 62.359 1992 62.45 1993 62.506 1994 62.57 1995 62.673 1996 62.695 1997 62.777 1998 62.886 1999 62.946 2000 62.994 2001 62.99 2002 63.054 2003 63.068 2004 63.11 2005 62.673 2006 62.235 2007 61.794 2008 61.351 2009 60.906 2010 60.46 2011 61.4 2012 65.12 2013 60.22 2014 60.73 2015 60.6 2016 60.69 2017 60.94 2018 60.5 2019 59.17 2020 57.611 2021 58.946 2022 60.24 2023 60.508