Year % of total population ages 15+ (modeled ILO estimate) 1991 57.012869677906224 1992 57.03984646554475 1993 56.89143941870279 1994 57.100619404054314 1995 57.22969577946674 1996 57.456817512785626 1997 57.69229535541783 1998 57.95580242170106 1999 58.19763521044128 2000 58.29457513391241 2001 57.92232684310781 2002 57.47079231668393 2003 57.22500161983669 2004 57.02966575514483 2005 56.69664962056698 2006 56.65120435846903 2007 56.76724188933182 2008 56.64277450511313 2009 56.62447673563705 2010 56.63339766415726 2011 56.38702500238397 2012 56.1636053900893 2013 56.03362765759901 2014 55.83514387424078 2015 55.77579664169317 2016 55.63429463606607 2017 55.51911185723821 2018 55.41396012292561 2019 55.29420602333702 2020 53.92172399194599 2021 54.58699898161935 2022 55.56378006567563 2023 57.02170572724641