Year % of population ages 15-49 1990 0.8 1991 1.1 1992 1.4 1993 1.8 1994 2.3 1995 2.8 1996 3.4 1997 3.8 1998 4.3 1999 4.6 2000 4.8 2001 5 2002 5 2003 5 2004 4.9 2005 4.8 2006 4.7 2007 4.6 2008 4.5 2009 4.4 2010 4.3 2011 4.1 2012 4 2013 3.9 2014 3.7 2015 3.6 2016 3.4 2017 3.3 2018 3.2 2019 3 2020 2.9 2021 2.8 2022 2.6