Year % of total population ages 15+ (modeled ILO estimate) 1991 74.279 1992 74.116 1993 73.94 1994 73.748 1995 73.543 1996 73.398 1997 73.246 1998 73.087 1999 72.92 2000 72.408 2001 71.89 2002 71.366 2003 70.836 2004 70.301 2005 69.759 2006 69.213 2007 68.661 2008 68.103 2009 67.541 2010 66.973 2011 66.4 2012 65.822 2013 65.24 2014 65.134 2015 65.01 2016 64.954 2017 64.878 2018 64.795 2019 64.716 2020 64.101 2021 64.042 2022 65.023 2023 65.119