Year % of total population ages 15+ (modeled ILO estimate) 1991 56.422 1992 57.468 1993 58.508 1994 59.54 1995 59.304 1996 59.067 1997 58.83 1998 58.592 1999 58.354 2000 58.116 2001 57.877 2002 57.638 2003 57.398 2004 57.158 2005 56.918 2006 56.678 2007 56.437 2008 56.196 2009 55.954 2010 55.713 2011 55.471 2012 55.228 2013 54.986 2014 54.743 2015 54.5 2016 54.257 2017 54.014 2018 53.77 2019 53.789 2020 53.278 2021 53.005 2022 53.879 2023 54.1