Year % of total population ages 15+ (modeled ILO estimate) 1991 66.419 1992 66.087 1993 65.753 1994 65.417 1995 65.08 1996 64.623 1997 64.164 1998 63.702 1999 63.237 2000 62.77 2001 62.983 2002 63.196 2003 63.408 2004 63.619 2005 63.83 2006 64.191 2007 64.551 2008 64.909 2009 65.265 2010 65.62 2011 65.801 2012 65.763 2013 65.827 2014 65.905 2015 65.914 2016 65.929 2017 65.968 2018 65.983 2019 65.864 2020 65.238 2021 65.591 2022 65.441 2023 65.495