Year Persons (Millions) 1980 12.298 1981 11.981 1982 11.870 1983 11.809 1984 11.495 1985 11.377 1986 11.589 1987 12.147 1988 12.617 1989 13.066 1990 13.394 1991 13.499 1992 13.257 1993 12.710 1994 12.621 1995 12.936 1996 13.152 1997 13.626 1998 14.235 1999 14.888 2000 15.645 2001 16.291 2002 16.790 2003 17.476 2004 18.142 2005 19.207 2006 19.939 2007 20.580 2008 20.470 2009 19.107 2010 18.724 2011 18.421 2012 17.633 2013 17.139 2014 17.344 2015 17.866 2016 18.342 2017 18.825 2018 19.328 2019 19.779 2020 19.202 2021 19.774 2022 20.391 2023 21.006 2024 21.289 2025 21.488