Year % of total population ages 15+ (modeled ILO estimate) 1991 59.732 1992 59.739 1993 59.751 1994 59.758 1995 59.768 1996 59.78 1997 59.483 1998 59.186 1999 58.888 2000 58.589 2001 58.29 2002 57.99 2003 57.626 2004 57.26 2005 56.894 2006 56.528 2007 56.16 2008 56.2 2009 56.24 2010 56.28 2011 56.32 2012 56.36 2013 56.361 2014 56.36 2015 56.349 2016 56.335 2017 56.321 2018 56.306 2019 56.294 2020 55.759 2021 55.913 2022 56.365 2023 56.149