Year % of total population ages 15+ (modeled ILO estimate) 1991 50.505 1992 50.712 1993 50.854 1994 51.008 1995 51.197 1996 51.383 1997 51.087 1998 50.782 1999 50.497 2000 50.258 2001 50.038 2002 49.845 2003 49.679 2004 49.533 2005 49.421 2006 49.353 2007 49.314 2008 49.281 2009 49.249 2010 49.186 2011 49.104 2012 49.044 2013 48.967 2014 48.876 2015 48.784 2016 48.695 2017 48.6 2018 48.519 2019 48.462 2020 48.078 2021 48.403 2022 48.576 2023 47.64