Year % of total population ages 15+ (modeled ILO estimate) 1991 59.740401855414135 1992 59.33178876920797 1993 58.54503164630126 1994 58.239594662112445 1995 57.94594530817702 1996 57.66647752973575 1997 57.33370101350238 1998 57.21036176416424 1999 57.8043307115493 2000 57.62498089128981 2001 57.2529491181147 2002 57.207670934236596 2003 57.113568460787036 2004 56.99025303373373 2005 57.1499888442139 2006 57.24662251326236 2007 57.46691996915061 2008 57.73061664449068 2009 57.769617802774036 2010 57.80766617811478 2011 57.94006442787982 2012 58.07051075109873 2013 58.10597670437915 2014 58.153340723837466 2015 58.17840046137342 2016 58.39610750732137 2017 58.47216850695688 2018 58.53883109628766 2019 58.51489673585853 2020 57.56590886873033 2021 58.03556706902197 2022 58.70848985304529 2023 58.701940721234145