Year % of total population ages 15+ (modeled ILO estimate) 1991 64.63910797951083 1992 64.51980541002297 1993 64.28061898224541 1994 64.23157855252683 1995 64.17693481572813 1996 64.1162547943023 1997 64.13816246849493 1998 64.11716795676573 1999 64.22583447260294 2000 64.1910387066422 2001 63.865799922735256 2002 63.54835910906811 2003 63.289417096231176 2004 63.08320377059073 2005 62.88394108082491 2006 62.75273199541572 2007 62.67994247987295 2008 62.50181841161983 2009 62.30698752912691 2010 62.05044130269682 2011 61.87262369866832 2012 61.67128203966957 2013 61.45565983373537 2014 61.26699792179012 2015 61.14749012852913 2016 60.99463189566057 2017 60.80779856901137 2018 60.64334773138177 2019 60.51000781429627 2020 59.20661348881352 2021 59.83169892461527 2022 60.36397077426131 2023 60.87376629433241