Year % of total population ages 15+ (modeled ILO estimate) 1991 69.42964501477213 1992 69.42501006695763 1993 69.35421300571149 1994 69.30190233202816 1995 69.29758174957982 1996 69.263070389973 1997 69.19699664269544 1998 69.13637472319955 1999 69.07736893283655 2000 69.02503951333435 2001 69.00455891472372 2002 69.0100881116259 2003 69.00717142871038 2004 69.00755284799912 2005 68.99940303798823 2006 68.89034492372437 2007 68.74238833160167 2008 68.55562154142763 2009 68.24515773764493 2010 67.7549589901192 2011 67.74850718222766 2012 67.46582821366708 2013 67.28288160042092 2014 67.06038892433561 2015 67.03519759916998 2016 66.99910820496606 2017 66.85308345790408 2018 66.71718443915516 2019 66.6384099207755 2020 65.89300526833762 2021 66.16288445361862 2022 66.55483097901529 2023 66.67843927255564