Year % of total population ages 15+ (modeled ILO estimate) 1991 61.414 1992 61.42 1993 61.42 1994 61.62 1995 61.51 1996 61.24 1997 61.09 1998 61.03 1999 60.99 2000 60.4 2001 59.99 2002 59.76 2003 59.42 2004 59.18 2005 59.36 2006 59.26 2007 58.77 2008 58.5 2009 58.68 2010 58.44 2011 58.26 2012 58.64 2013 59.28 2014 59.31 2015 59.42 2016 59.92 2017 60.22 2018 60.56 2019 60.38 2020 59.79 2021 59.83 2022 59.9 2023 60.09