Year % of total population ages 15+ (modeled ILO estimate) 1991 73.654 1992 74.014 1993 74.591 1994 75.003 1995 75.437 1996 75.436 1997 74.923 1998 74.545 1999 74.345 2000 74.35 2001 74.611 2002 75.098 2003 75.767 2004 76.58 2005 77.043 2006 76.857 2007 76.496 2008 76.479 2009 76.952 2010 77.708 2011 78.483 2012 79.132 2013 79.675 2014 80.144 2015 80.572 2016 81.035 2017 81.524 2018 81.987 2019 82.474 2020 82.175 2021 81.316 2022 82.329 2023 82.642