Year % of total population ages 15+ (modeled ILO estimate) 1991 65.7678528486064 1992 65.65881945290805 1993 65.47412034614902 1994 65.47278197623439 1995 65.43146405780298 1996 65.36273943155514 1997 65.38568661964281 1998 65.39785498784063 1999 65.39745120330983 2000 65.31141339166359 2001 64.96145062918073 2002 64.55854605110348 2003 64.23674909684506 2004 63.94491914348817 2005 63.62098947493419 2006 63.381441705695266 2007 63.241224441236135 2008 62.95986164471084 2009 62.761174740601945 2010 62.47373144702759 2011 62.260685862181404 2012 61.97612348060629 2013 61.708337012472256 2014 61.461846903747514 2015 61.3125068198254 2016 61.06581901930431 2017 60.81222170640957 2018 60.568105467596375 2019 60.37727832975404 2020 58.966564771937556 2021 59.681642922845874 2022 60.23531429033601 2023 60.83006570942935