Year % of total population ages 15+ (modeled ILO estimate) 1991 51.11 1992 52.29 1993 52.377 1994 53.904 1995 54.653 1996 54.292 1997 55.387 1998 54.935 1999 53.84 2000 53.528 2001 53.296 2002 53.35 2003 53.19 2004 52.918 2005 52.166 2006 51.582 2007 51.034 2008 50.359 2009 50.131 2010 49.78 2011 49.246 2012 48.897 2013 48.611 2014 48.348 2015 48.211 2016 48.089 2017 47.966 2018 47.857 2019 47.753 2020 46.482 2021 46.154 2022 47.802 2023 48.064