Index/Topics/Unauthorized immigration trends

Unauthorized immigration trends

Shifts in unauthorized immigration patterns from Mexico and Central and South America to the US, with changes in migration drivers and enforcement policies

Fact-Checks

5 results
Jan 18, 2026
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Which countries had the most legal immigrants deported by ICE in 2024?

The bulk of ICE removals and arrests in fiscal year 2024 were concentrated among nationals of Mexico and northern Central American countries, with Mexico far outpacing other nationalities in ICE stati...

Jan 21, 2026

How have state policies (sanctuary, employment laws, ID laws) influenced undocumented immigrant settlement patterns since 2020?

State-level policy signals — from and driver's‑ID laws to employer sanctions and service‑access rules — have shaped where undocumented immigrants choose to live since 2020, but the pattern is complex:...

Jan 20, 2026

Which US states have the highest numbers of undocumented

The states with the largest populations of unauthorized (undocumented) immigrants are consistently California, Texas, Florida, New York, New Jersey and Illinois — a pattern that appears across multipl...

Jan 11, 2026

is immigration enforcement a relatively recent phenomena?

Immigration enforcement in the United States is emphatically not a recent phenomenon: federal regulation and exclusionary practices date to the earliest years of the republic and were formalized throu...

Jan 7, 2026

Which Michigan counties saw the largest increases in Muslim population between 2010 and 2025 and why?

Wayne County — anchored by Dearborn — shows the clearest and largest documented rise in a Muslim and Middle Eastern-descended population between 2010 and the present, supported by 2010–2020 census rel...