Year % of total population ages 15+ (modeled ILO estimate) 1991 49.776 1992 49.864 1993 49.881 1994 49.771 1995 49.63 1996 49.513 1997 49.436 1998 49.299 1999 49.567 2000 49.473 2001 49.453 2002 49.412 2003 49.356 2004 49.247 2005 49.15 2006 48.97 2007 48.845 2008 48.731 2009 48.834 2010 48.79 2011 48.74 2012 50.04 2013 50.11 2014 52.72 2015 53.73 2016 54.52 2017 54.67 2018 56.01 2019 57.42 2020 53.35 2021 54.524 2022 56.276 2023 56.458