The immigrant population has grown steadily over the last three decades: Foreign-born population size (millions) from the American Community Survey (2000–2023) and Current Population Survey (1994–2024)
| Year | American Community Survey | Current Population Survey |
|---|---|---|
| 1994 | 22 | |
| 1995 | 22.1 | |
| 1996 | 24.4 | |
| 1997 | 25.5 | |
| 1998 | 26.6 | |
| 1999 | 27.2 | |
| 2000 | 31.1 | 30.5 |
| 2001 | 31.5 | 31.7 |
| 2002 | 33.1 | 32.5 |
| 2003 | 33.7 | 33.7 |
| 2004 | 34.3 | 34.1 |
| 2005 | 35.8 | 34.9 |
| 2006 | 37.5 | 36.1 |
| 2007 | 38 | 37.4 |
| 2008 | 38 | 37.6 |
| 2009 | 38.5 | 37.3 |
| 2010 | 39.9 | 38 |
| 2011 | 40.4 | 38.3 |
| 2012 | 40.7 | 39.6 |
| 2013 | 41.3 | 40 |
| 2014 | 42.2 | 40.9 |
| 2015 | 43.2 | 42.1 |
| 2016 | 43.7 | 43.2 |
| 2017 | 44.4 | 43.5 |
| 2018 | 44.8 | 44.9 |
| 2019 | 44.8 | 45.1 |
| 2020 | 43.5 | 44.3 |
| 2021 | 45.3 | 45.3 |
| 2022 | 46.1 | 47.3 |
| 2023 | 47.8 | 49.1 |
| 2024 | 51.2 |
Notes: American Community Survey estimates for 2020 may be unreliable due to disruptions in data collection caused by the COVID-19 pandemic. For more detail, see U.S. Census Bureau 2021, Pandemic Impact on 2020 American Community Survey 1-Year Data.
Source: EPI analysis of American Community Survey, accessed via Ruggles et al. 2025, IPUMS USA: Version 16.0 [2000–2023 ACS 1-year], Minneapolis, MN: IPUMS, 2025; and the basic monthly Current Population Survey, accessed via EPI Current Population Survey Extracts, Version 1.0.61 (2025), https://microdata.epi.org.