Year % of total population ages 15+ (modeled ILO estimate) 1991 61.39579566279126 1992 61.203325213494004 1993 60.75914974900858 1994 60.522271181909296 1995 60.375267137388626 1996 60.28619811181197 1997 60.24729832349673 1998 60.06491331965289 1999 60.471007559923436 2000 60.54760774000796 2001 60.24573815823723 2002 60.164288835866884 2003 60.07505789247075 2004 60.105544940347166 2005 60.293888937874904 2006 60.502868911416805 2007 60.655419656197715 2008 60.82865018114819 2009 60.63324670777821 2010 60.4712497126042 2011 60.40527864941014 2012 60.50518288566096 2013 60.47961411838604 2014 60.507381235266266 2015 60.502326206545106 2016 60.714371251621515 2017 60.796592114028506 2018 60.9671093942244 2019 61.12982035088551 2020 60.32406218398659 2021 60.59750925248748 2022 61.01481349503121 2023 61.16790611647592