Year % of total population ages 15+ (modeled ILO estimate) 1991 33.391 1992 33.46 1993 33.513 1994 33.579 1995 33.688 1996 33.826 1997 33.963 1998 34.1 1999 34.22 2000 34.308 2001 34.431 2002 34.5 2003 34.528 2004 34.539 2005 34.542 2006 34.598 2007 34.649 2008 34.683 2009 34.682 2010 34.64 2011 34.625 2012 34.565 2013 34.476 2014 34.382 2015 34.297 2016 34.221 2017 34.156 2018 34.097 2019 34.03 2020 33.707 2021 33.753 2022 34.021 2023 34.111