Figures are estimates modeled by the Migration Policy Institute. They may differ from estimates from other sources, including estimates from the U.S. Department of Homeland Security (DHS).
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Percentage of unauthorized immigrants in the U.S. 2023, by years in the U.S.
Some ** percent of the unauthorized immigrant population in the United States have lived in the country for over 20 years. This is according to 2023 estimates. The Pew Research Institute estimated that the number of unauthorized immigrants nationwide reached ** million that year.
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Migration Policy Institute. (February 28, 2025). Share of unauthorized immigrants in the United States as of mid-2023, by year of residence in the U.S. [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 26, 2026, from /statistics/1662414/share-of-illegal-immigrants-duration-residence-in-us/
Migration Policy Institute. "Share of unauthorized immigrants in the United States as of mid-2023, by year of residence in the U.S.." Chart. February 28, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 26, 2026. /statistics/1662414/share-of-illegal-immigrants-duration-residence-in-us/
Migration Policy Institute. (2025). Share of unauthorized immigrants in the United States as of mid-2023, by year of residence in the U.S.. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 26, 2026. /statistics/1662414/share-of-illegal-immigrants-duration-residence-in-us/
Migration Policy Institute. "Share of Unauthorized Immigrants in The United States as of Mid-2023, by Year of Residence in The U.S.." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 28 Feb 2025, /statistics/1662414/share-of-illegal-immigrants-duration-residence-in-us/
Migration Policy Institute, Share of unauthorized immigrants in the United States as of mid-2023, by year of residence in the U.S. ÌÇÐÄÆƽâ°æ, /statistics/1662414/share-of-illegal-immigrants-duration-residence-in-us/ (last visited July 26, 2026)
Share of unauthorized immigrants in the United States as of mid-2023, by year of residence in the U.S. [Graph], Migration Policy Institute, February 28, 2025. [Online]. Available: /statistics/1662414/share-of-illegal-immigrants-duration-residence-in-us/
