Year % of total population ages 15+ (modeled ILO estimate) 1991 66.276 1992 64.872 1993 63.425 1994 62.655 1995 63.161 1996 62.97 1997 62.695 1998 62.072 1999 62.596 2000 62 2001 62.693 2002 62.64 2003 62.635 2004 62.421 2005 62.882 2006 63.37 2007 63.727 2008 63.879 2009 63.364 2010 63.282 2011 63.695 2012 63.835 2013 64.299 2014 64.446 2015 64.577 2016 64.835 2017 65.263 2018 65.485 2019 65.689 2020 65.399 2021 65.79 2022 66.238 2023 66.948