Year % of total population ages 15+ (modeled ILO estimate) 1991 66.09584889902578 1992 66.02572650460004 1993 65.93879576262302 1994 65.821015990928 1995 65.69719834198452 1996 65.62388543356688 1997 65.54037927256724 1998 65.45419387888 1999 65.36056277913164 2000 65.26434113684965 2001 65.21244245365286 2002 65.15476368490562 2003 65.07125917185499 2004 65.01167147873998 2005 64.90965532706751 2006 64.83497806786029 2007 64.73265737845058 2008 64.52689615385363 2009 64.30623016907019 2010 64.07070290405153 2011 63.90291580700038 2012 63.46111377642676 2013 63.00090724844041 2014 62.595760234106734 2015 62.381830981387864 2016 62.351678225438356 2017 62.0002625041191 2018 61.90041157874475 2019 61.802068340098074 2020 61.15868351597176 2021 61.30077267631051 2022 61.7863918033905 2023 61.88848222045331