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Index/Topics/Unauthorized immigrant population estimates 2022-2023

Unauthorized immigrant population estimates 2022-2023

Estimates of the unauthorized immigrant population in the United States for the years 2022 and 2023, including differences in methodology and data sources used by the Department of Homeland Security, Pew Research Center, and Center for Migration Studies.

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Feb 5, 2026

How do DHS, Pew Research Center, and Center for Migration Studies estimates of undocumented immigrants differ?

The three leading estimates — the , the , and the — start from the same basic toolset (the ’s surveys and the “residual” approach) but produce different headline totals because they use different micr...