Year % of total population ages 15-64 (modeled ILO estimate) 1991 57.028 1992 56.962 1993 56.855 1994 56.753 1995 56.135 1996 55.517 1997 54.903 1998 55.067 1999 55.23 2000 55.393 2001 55.679 2002 55.966 2003 56.254 2004 56.542 2005 56.828 2006 57.112 2007 57.399 2008 57.69 2009 57.986 2010 58.288 2011 58.597 2012 58.909 2013 62.949 2014 62.379 2015 62.493 2016 62.596 2017 61.402 2018 60.15 2019 60.175 2020 58.959 2021 59.399 2022 60.406