Year % of total population ages 15+ (modeled ILO estimate) 1991 71.43715535839293 1992 71.40181570470787 1993 71.2519390549918 1994 71.16885835361265 1995 71.19949006032208 1996 71.18415577247252 1997 71.13601362212763 1998 71.098531733633 1999 71.05728953541919 2000 70.97891700319029 2001 70.97829998357453 2002 70.9575448058344 2003 70.90668153475552 2004 70.90124348739943 2005 70.86769794373443 2006 70.69654345805438 2007 70.43335424498761 2008 70.17509948234257 2009 69.88090329381791 2010 69.58645700191427 2011 69.27400439474285 2012 68.84068007807018 2013 68.65761789174152 2014 68.42709529360681 2015 68.175168733893 2016 68.11016540269978 2017 67.90156655820331 2018 67.8254808747013 2019 67.59023210699186 2020 66.88541646125145 2021 66.96129620155222 2022 67.16737333872875 2023 67.1708884394104