Year % of total population ages 15+ (modeled ILO estimate) 1991 58.373 1992 58.19 1993 57.961 1994 57.527 1995 57.046 1996 56.5 1997 55.982 1998 55.678 1999 55.974 2000 55.578 2001 55.18 2002 54.81 2003 54.491 2004 54.029 2005 53.681 2006 53.419 2007 53.506 2008 52.802 2009 50.977 2010 49.695 2011 49.81 2012 50.258 2013 51.325 2014 51.869 2015 51.574 2016 53.371 2017 54.05 2018 54.605 2019 54.823 2020 54.331 2021 57.97 2022 59.147 2023 58.946