Year Persons (Millions) 1980 15.630 1981 15.994 1982 16.369 1983 16.754 1984 17.145 1985 17.541 1986 17.937 1987 18.326 1988 18.721 1989 19.145 1990 19.617 1991 20.131 1992 20.702 1993 21.267 1994 21.795 1995 22.306 1996 22.784 1997 23.249 1998 23.703 1999 24.143 2000 24.560 2001 24.956 2002 25.332 2003 25.683 2004 26.004 2005 26.285 2006 26.519 2007 26.714 2008 26.882 2009 27.027 2010 27.162 2011 27.266 2012 27.331 2013 27.382 2014 27.462 2015 27.610 2016 27.861 2017 28.183 2018 28.507 2019 28.832 2020 29.349 2021 30.035 2022 30.548 2023 31.081 2024 31.623 2025 32.174 2026 32.736 2027 33.307 2028 33.888 2029 34.479