Year % of total population ages 15+ (modeled ILO estimate) 1991 79.035 1992 79.024 1993 78.996 1994 78.957 1995 78.911 1996 78.936 1997 78.949 1998 78.958 1999 78.97 2000 78.984 2001 79.061 2002 79.118 2003 79.165 2004 79.206 2005 79.244 2006 79.328 2007 79.389 2008 79.434 2009 79.463 2010 79.481 2011 79.52 2012 77.654 2013 75.67 2014 73.57 2015 73.552 2016 73.55 2017 73.533 2018 73.505 2019 73.468 2020 72.77 2021 72.613 2022 73.342 2023 73.441