Year % of total population ages 15+ (modeled ILO estimate) 1991 72.409 1992 72.999 1993 73.56 1994 74.063 1995 74.263 1996 74.442 1997 74.73 1998 74.565 1999 75.007 2000 75.098 2001 75.139 2002 75.174 2003 75.032 2004 74.935 2005 74.942 2006 74.94 2007 74.858 2008 74.62 2009 74.322 2010 74.238 2011 74.134 2012 74.108 2013 73.857 2014 73.759 2015 73.624 2016 73.557 2017 73.552 2018 73.531 2019 73.422 2020 68.233 2021 70.337 2022 71.861 2023 72.027