Year % of total population ages 15-64 (modeled ILO estimate) 1991 51.513 1992 51.45 1993 53.251 1994 52.76 1995 52.289 1996 53.33 1997 54.069 1998 54.1 1999 54.012 2000 52.364 2001 52.781 2002 53.197 2003 53.837 2004 54.041 2005 55.404 2006 54.839 2007 53.875 2008 52.613 2009 51.033 2010 49.814 2011 48.499 2012 48.73 2013 48.978 2014 49.25 2015 49.557 2016 50.089 2017 50.417 2018 51.473 2019 52.369 2020 52.35 2021 52.737 2022 54.424