Year Persons (Millions) 1980 27.639 1981 28.255 1982 28.875 1983 29.498 1984 30.124 1985 29.921 1986 30.541 1987 31.181 1988 31.834 1989 32.494 1990 33.156 1991 33.845 1992 34.522 1993 35.181 1994 35.817 1995 36.426 1996 37.019 1997 37.505 1998 38.088 1999 38.573 2000 39.152 2001 39.656 2002 40.156 2003 40.661 2004 41.166 2005 41.672 2006 42.170 2007 42.659 2008 43.134 2009 43.609 2010 44.086 2011 44.553 2012 45.002 2013 45.435 2014 45.866 2015 46.314 2016 46.830 2017 47.419 2018 48.258 2019 49.396 2020 50.372 2021 51.049 2022 51.609 2023 52.156 2024 52.691 2025 53.217 2026 53.732 2027 54.253 2028 54.779 2029 55.310