Year % of total population ages 15+ (modeled ILO estimate) 1991 53.065 1992 53.327 1993 52.782 1994 51.894 1995 51.114 1996 50.498 1997 50.038 1998 49.746 1999 49.724 2000 51.259 2001 51.528 2002 52.058 2003 52.775 2004 53.197 2005 53.101 2006 52.787 2007 52.587 2008 52.423 2009 52.217 2010 53.21 2011 54.257 2012 55.339 2013 55.921 2014 56 2015 56.624 2016 57.371 2017 55.577 2018 56.288 2019 58.398 2020 60.08 2021 61.559 2022 61.632 2023 61.601