Year % of total population ages 15+ (modeled ILO estimate) 1991 58.291682819954936 1992 58.3829600705537 1993 58.197917840838706 1994 58.18363953708704 1995 57.83899922311089 1996 58.16375307647003 1997 58.47759475350958 1998 58.36302907288777 1999 58.40605386374376 2000 58.45521102818889 2001 58.40024767519916 2002 58.37090265616188 2003 58.39823493591136 2004 58.40038784711733 2005 58.19299517369048 2006 58.003414196495434 2007 57.95345787978356 2008 57.84345603140602 2009 57.91701019787295 2010 57.99536491885741 2011 57.879597214721116 2012 57.90128400659895 2013 57.931220125551285 2014 57.6777087440155 2015 58.08558673823605 2016 57.93005785500031 2017 57.75002741079116 2018 57.5505510112562 2019 57.73289424697923 2020 57.41274926682684 2021 57.98126571996274 2022 58.20952530158291 2023 58.2895231670425