Year % of total population ages 15+ (modeled ILO estimate) 1991 57.561 1992 57.568 1993 57.556 1994 57.509 1995 57.424 1996 57.429 1997 57.387 1998 57.316 1999 57.236 2000 57.158 2001 57.07 2002 56.976 2003 56.876 2004 56.769 2005 56.66 2006 56.595 2007 56.523 2008 56.45 2009 56.381 2010 56.319 2011 56.297 2012 56.266 2013 56.231 2014 56.191 2015 56.146 2016 56.116 2017 56.074 2018 56.02 2019 55.951 2020 55.42 2021 55.832 2022 55.939 2023 55.952