Year % of total population ages 15+ (modeled ILO estimate) 1991 60.04341567141138 1992 60.20953310835487 1993 60.49004102616934 1994 60.58472577689382 1995 60.67269884944159 1996 60.422420096750535 1997 60.46616166464422 1998 60.23443004933813 1999 60.171681973333854 2000 60.32084845566612 2001 60.4693906431581 2002 60.3965097067859 2003 60.5844932934663 2004 60.74852064731439 2005 60.871559501385015 2006 60.80478423589717 2007 60.923498625782614 2008 61.00281033948313 2009 61.08522249566681 2010 61.20407631625086 2011 61.33069904464351 2012 61.41670723575388 2013 61.5667798742406 2014 61.42933387869304 2015 61.56897106349557 2016 61.884937324830226 2017 61.722522721660674 2018 61.56708639919288 2019 60.1577433381467 2020 57.791639051764164 2021 58.533309227902784 2022 59.379370701811474 2023 59.599915866892125