| Year | West region |
|---|---|
| 2022 | 37,762,095 |
| 2021 | 36,230,596 |
| 2020 | 34,954,641 |
| 2019 | 37,331,807 |
| 2018 | 36,749,418 |
| 2017 | 36,156,306 |
| 2016 | 35,478,044 |
| 2015 | 34,705,691 |
| 2014 | 33,939,087 |
| 2013 | 33,179,890 |
| 2012 | 32,649,772 |
| 2011 | 32,116,667 |
| 2010 | 31,891,806 |
| 2009 | 32,176,116 |
| 2008 | 33,449,366 |
| 2007 | 33,469,083 |
| 2006 | 32,944,020 |
| 2005 | 32,206,104 |
| 2004 | 31,469,323 |
| 2003 | 30,898,467 |
| 2002 | 30,720,726 |
| 2001 | 30,744,712 |
| 2000 | 30,511,723 |
| 1999 | 29,862,088 |
| 1998 | 29,232,696 |
| 1997 | 28,442,777 |
| 1996 | 27,540,324 |
| 1995 | 27,028,810 |
| 1994 | 26,476,586 |
| 1993 | 25,737,207 |
| 1992 | 25,368,451 |
| 1991 | 25,201,365 |
| 1990 | 25,388,056 |
| 1989 | 24,525,072 |
| 1988 | 23,764,918 |
| 1987 | 23,020,967 |
| 1986 | 22,278,329 |
| 1985 | 21,667,357 |
| 1984 | 21,117,030 |
| 1983 | 20,197,118 |
| 1982 | 19,791,375 |
| 1981 | 19,773,598 |
| 1980 | 19,443,385 |
| 1979 | 19,026,425 |
| 1978 | 18,150,311 |
| 1977 | 17,055,410 |
| 1976 | 16,107,980 |
| Agency | |
| Source | |
| Last updated at USAFacts | August 28, 2023 |
| Suggested citation |