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Unauthorized immigration trends in the US

The unauthorized immigrant population in the US has diversified with growing shares from Central and South America and an increasing Asian presence, particularly from India, since 2010 and accelerating through 2022-25.

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Jan 18, 2026
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How have origin-country mixes of the unauthorized immigrant population changed since 2015, and which states saw the biggest shifts?

Since 2015 the unauthorized immigrant population in the United States has grown more diverse: the long-dominant share from Mexico has fallen sharply while arrivals and resident stocks from Central and...

Feb 4, 2026

Which U.S. states experienced the largest changes in estimated unauthorized immigrant populations between 2019 and 2023 according to CMS, Pew, and MPI?

Three leading estimates—, , and the —agree that the rose notably between 2019 and 2023, and that the largest absolute concentrations (and therefore the largest absolute increases) are concentrated in ...