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As of 2022, the United States had an estimated 11.0 million unauthorized immigrants, representing about 3.3% of the total U.S. population and 23% of the foreign-born population. Pew Research Center+1Courthouse News+1
In contrast, Europe had between 3.9 million and 4.8 million unauthorized immigrants in 2017, according to the most recent comprehensive estimates. This means the U.S. had more than twice as many unauthorized immigrants as Europe during that period.Pew Research Center
Unauthorized Immigrant Population by Country
United States (2022)
- Total: 11.0 million
- Top countries of origin:
- Mexico: 4.0 million
- El Salvador: 750,000
- India: 725,000
- Guatemala: 675,000
- Honduras: 525,000
- Venezuela: 270,000
- Brazil: 286,000
- Colombia: 351,000
- Ecuador: 225,000
- Philippines: 294,000
- India: 199,000
- Canada: 275,000
- Former Soviet Union countries: Data not specified
- China, Dominican Republic, Philippines: No significant change
- Other countries: Data not specifiedCourthouse News+4Pew Research Center+4Hoover Institution+4Economic Policy Institute+1Pew Research Center+1Hoover Institution+3Pew Research Center+3San Francisco Chronicle+3
Europe (2017)
- Total: 3.9 million to 4.8 million
- Top countries by unauthorized immigrant population:
- Germany: Approximately 1.0 million
- United Kingdom: Approximately 1.0 million
- Italy: Approximately 0.8 million
- France: Approximately 0.6 million
- Other countries: Approximately 1.0 millionPew Research Center+1Pew Research Center+1
These four countries—Germany, the UK, Italy, and France—accounted for more than two-thirds (70%) of Europe’s unauthorized immigrant population in 2017. Pew Research Center+1Pew Research Center+1
Summary Comparison
| Region/Country | Unauthorized Immigrants (Year) | Share of Foreign-Born Population |
|---|---|---|
| United States | 11.0 million (2022) | 23% |
| Europe | 3.9–4.8 million (2017) | Data not specified |
| Germany | ~1.0 million (2017) | Data not specified |
| United Kingdom | ~1.0 million (2017) | Data not specified |
| Italy | ~0.8 million (2017) | Data not specified |
| France | ~0.6 million (2017) | Data not specified |
While the U.S. had a higher number of unauthorized immigrants compared to Europe, it’s important to note that data collection methods and definitions of unauthorized immigration may vary between countries, potentially affecting the comparability of these figures.
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