Year % of total population ages 15+ (modeled ILO estimate) 1991 59.670159778351014 1992 59.552593787262424 1993 58.6072096780988 1994 59.336769536215755 1995 59.136226701613616 1996 58.825377218958025 1997 58.300085984718876 1998 58.19378288653241 1999 58.031000984024885 2000 57.06012978659806 2001 56.818546952446205 2002 56.53732730288859 2003 56.02416579757019 2004 55.125948470191474 2005 54.907362759484215 2006 54.44606456114061 2007 54.4532171907876 2008 54.579939792800914 2009 54.806650853225854 2010 55.10790312838028 2011 55.528326896553075 2012 55.481052460180905 2013 55.66966193084802 2014 55.816212295276486 2015 56.09446755218433 2016 56.399378061933106 2017 56.59096519929063 2018 56.67400962627403 2019 56.71455342488556 2020 54.91109528706342 2021 55.80539238010397 2022 57.00588353427319 2023 57.07234236687764