Year % of total population ages 15+ (modeled ILO estimate) 1991 50.916 1992 51.206 1993 51.416 1994 51.054 1995 51.549 1996 51.103 1997 51.391 1998 51.228 1999 51.374 2000 51.459 2001 51.27 2002 50.69 2003 50.673 2004 50.657 2005 50.64 2006 50.623 2007 50.607 2008 50.59 2009 50.1 2010 49.61 2011 49.16 2012 48.41 2013 48.31 2014 48.06 2015 47.47 2016 46.55 2017 45.5 2018 45.775 2019 46.079 2020 44.681 2021 45.3 2022 44.3 2023 44.038