Year % of total population ages 15+ (modeled ILO estimate) 1991 65.67831838776938 1992 65.55411998158337 1993 65.29482888605627 1994 65.2097828598184 1995 65.14492862930797 1996 65.02467711148232 1997 64.99653960622322 1998 64.96814078269763 1999 65.07410752077989 2000 64.99465122815977 2001 64.62113940600356 2002 64.21438906958748 2003 63.88501695792849 2004 63.63426124651776 2005 63.337974064867105 2006 63.129946493974764 2007 63.02779518146533 2008 62.78927280379235 2009 62.60571525436949 2010 62.34160643014183 2011 62.145636699266205 2012 61.87782925075467 2013 61.619094306087305 2014 61.38874676693191 2015 61.237027308352495 2016 61.0010496324255 2017 60.75448224017472 2018 60.51487027965993 2019 60.299481227977395 2020 58.915447716029846 2021 59.613484503593924 2022 60.163020258040284 2023 60.70945550362099