Year % of total population ages 15+ (modeled ILO estimate) 1991 74.904 1992 74.719 1993 74.533 1994 74.36 1995 74.515 1996 74.67 1997 74.78 1998 73.6 1999 72.58 2000 72.66 2001 73.17 2002 73.075 2003 72.98 2004 73.39 2005 73.68 2006 72.95 2007 73.58 2008 73.4 2009 72.75 2010 71.59 2011 73.28 2012 73 2013 70.27 2014 69.83 2015 69.24 2016 68.25 2017 67.5 2018 67.8 2019 66.96 2020 67.02 2021 66.94 2022 67.538 2023 67.051