Year % of total population ages 15+ (modeled ILO estimate) 1991 61.605185553407246 1992 61.4736034604954 1993 60.82964983794721 1994 60.19828126949289 1995 59.55256136490267 1996 58.615878747424816 1997 58.3476632275803 1998 57.92020988230342 1999 57.61124222196778 2000 57.48491329829544 2001 57.27097809355638 2002 55.64133059817773 2003 55.05929299355124 2004 54.83499453780358 2005 54.626477408467814 2006 54.658594566161305 2007 54.7435263039087 2008 54.98760875532021 2009 55.14005266188845 2010 55.49750107249968 2011 55.33021247367881 2012 55.72967300591576 2013 55.888752042462386 2014 56.36134768780976 2015 56.39421677674217 2016 56.388216364381876 2017 57.014363220825096 2018 57.1049568899498 2019 57.178533196853024 2020 56.950180657533046 2021 56.935129294441715 2022 57.63955935944351 2023 57.81410305188935