Year Persons (Millions) 1980 18.666 1981 19.246 1982 19.864 1983 20.516 1984 21.175 1985 22.200 1986 22.800 1987 23.400 1988 24.100 1989 24.700 1990 25.022 1991 25.643 1992 26.271 1993 26.894 1994 27.496 1995 28.060 1996 28.566 1997 29.045 1998 29.507 1999 29.965 2000 30.506 2001 30.954 2002 31.414 2003 31.885 2004 32.366 2005 32.855 2006 33.351 2007 33.858 2008 34.591 2009 35.268 2010 35.978 2011 36.717 2012 37.495 2013 38.297 2014 39.114 2015 39.963 2016 40.836 2017 41.721 2018 42.578 2019 43.424 2020 43.851 2021 44.577 2022 45.291 2023 45.973 2024 46.626 2025 47.251 2026 47.851 2027 48.425 2028 49.006 2029 49.594