Year % of total population ages 15+ (modeled ILO estimate) 1991 73.063 1992 72.414 1993 71.57 1994 71.374 1995 71.702 1996 71.414 1997 71.784 1998 72.152 1999 72.184 2000 72.47 2001 70.359 2002 68.158 2003 65.872 2004 63.51 2005 61.081 2006 58.596 2007 56.067 2008 53.505 2009 50.925 2010 48.34 2011 48.382 2012 48.288 2013 48.222 2014 47.823 2015 47.664 2016 47.544 2017 47.492 2018 47.572 2019 47.439 2020 46.989 2021 46.75 2022 47.493 2023 47.286