Year % of total population ages 15+ (modeled ILO estimate) 1991 70.298 1992 70.447 1993 70.726 1994 71.129 1995 71.365 1996 71.29 1997 71.172 1998 71.179 1999 71.051 2000 70.731 2001 70.352 2002 70.11 2003 70.02 2004 69.86 2005 69.45 2006 69.68 2007 70.39 2008 71.12 2009 71.022 2010 70.924 2011 70.825 2012 70.726 2013 70.627 2014 70.528 2015 70.429 2016 70.33 2017 70.23 2018 70.13 2019 70.08 2020 69.2 2021 69.524 2022 68.7 2023 68.466