Year % of total population ages 15+ (modeled ILO estimate) 1991 66.758 1992 66.17 1993 66.848 1994 67.52 1995 68.16 1996 67 1997 67.81 1998 67.77 1999 67.83 2000 68.696 2001 69.55 2002 68.49 2003 69.25 2004 69.68 2005 69.56 2006 67.87 2007 67.8 2008 67.62 2009 67.61 2010 67.6 2011 67.59 2012 66.19 2013 66.71 2014 63.9 2015 63.96 2016 65.44 2017 64.37 2018 63.57 2019 62.3 2020 60.862 2021 61.212 2022 62.108 2023 62.033