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Research on crime rates among undocumented immigrants in the United States, including comparisons to native-born citizens and legal immigrants.
The question as posed is ambiguous — it could mean “ have been committed by people who are undocumented” or “how many undocumented people have themselves been killed” — and there is no single, reliabl...
The legal bottom line: simply being present in the United States without valid immigration status is not, by itself, a federal crime—unlawful presence is generally treated as a civil immigration viola...
The strongest peer-reviewed comparison comes from a 2020 paper in the that used arrest records to compare criminality across , legal immigrants, and U.S.-born residents and reported substantially lowe...
Research that directly compares citizens, legal non‑citizens, and undocumented -rates">immigrants—most comprehensively the study using state arrest records—finds that immigrants overall, and undocumen...
Measured per capita, most official indicators show that violent and property crime rose from the 1960s into the 1970s and peaked later, then fell sharply from the 1990s into the 2010s; by 2024–2025 ma...
The best available empirical evidence shows that undocumented (illegal) immigrants do not commit more crime than native-born citizens and, in many high-quality studies, commit substantially less: arre...
There is no definitive evidence that "" as a whole commit crimes at unusually high rates across nations; available data are fragmented, often conflate nationality with race or immigration status, and ...
Multiple empirical studies — most notably a detailed arrest-data analysis published in and summarized by the — find that are arrested at substantially lower rates than native‑born citizens and general...
Between 2020 and 2025, syntheses of the academic literature and multiple prominent reviews converge on a clear headline: does not increase crime and in many studies is associated with equal or lower r...
There is no authoritative, publicly available national count of how many American citizens have been killed by undocumented people in the ; widespread claims that a fixed number — for example “” — are...
Fact‑checkers have repeatedly found that broad viral claims asserting large numbers of deaths caused by undocumented immigrants are unsupported or false, often relying on misinterpreted statistics or ...
Peer‑reviewed studies comparing of and typically combine administrative crime records (arrests, incarcerations, convictions) with separate population estimates for undocumented people to build numerat...