Year % of total population ages 15+ (modeled ILO estimate) 1991 72.222 1992 71.75 1993 71.272 1994 70.79 1995 70.303 1996 69.812 1997 69.315 1998 68.815 1999 68.309 2000 67.8 2001 65.6 2002 62.4 2003 62.051 2004 61.7 2005 61.1 2006 62.7 2007 57.8 2008 59.765 2009 61.7 2010 61.4 2011 62.6 2012 62.598 2013 62.597 2014 62.597 2015 62.597 2016 62.597 2017 62.597 2018 62.598 2019 62.597 2020 61.699 2021 62.568 2022 62.73 2023 62.503