Year % of total population ages 15+ (modeled ILO estimate) 1991 57.03 1992 56.503 1993 55.974 1994 55.444 1995 54.913 1996 54.381 1997 53.847 1998 53.313 1999 52.778 2000 52.243 2001 51.707 2002 51.17 2003 50.29 2004 51.15 2005 49.62 2006 49.19 2007 52.93 2008 53.12 2009 53.12 2010 52.58 2011 51.84 2012 51.37 2013 50.84 2014 52.36 2015 52.73 2016 51.32 2017 51.61 2018 51.19 2019 51.1 2020 51.03 2021 51.78 2022 52.3 2023 52.631