Year % of total population ages 15+ (modeled ILO estimate) 1991 45.397 1992 44.965 1993 44.25 1994 43.565 1995 43.045 1996 42.905 1997 42.788 1998 42.719 1999 42.659 2000 42.563 2001 42.508 2002 42.757 2003 42.959 2004 43.096 2005 43.236 2006 43.407 2007 44.029 2008 44.96 2009 44.915 2010 45.7 2011 45.329 2012 45.687 2013 45.31 2014 46.259 2015 46.312 2016 46.171 2017 46.195 2018 46.011 2019 47.035 2020 46.8 2021 49.869 2022 50.19 2023 49.992