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Index/Topics/Crime rate comparison methodology

Crime rate comparison methodology

Importance of consistent definitions and time windows for comparing crime rates

Fact-Checks

3 results
Jan 30, 2026
Most Viewed

What empirical studies show about sanctuary policies’ impact on crime rates and deportations since 2015?

Empirical studies since 2015 overwhelmingly find that local “sanctuary” or limited-cooperation policies reduce the number of deportations ordered from local contacts—Hausman estimates about a one‑thir...

Jan 26, 2026
Most Viewed

How have state-level variations in ICE arrests correlated with city-specific crime statistics since 2024?

since 2024 has been large and appears driven more by political, administrative and operational factors than by straightforward differences in city crime rates; researchers point to state politics and ...

Feb 4, 2026

How do FBI UCR and CDC homicide statistics differ and which is more reliable for trend analysis?

The ’s Uniform Crime Reporting (UCR) program and the ’s mortality-based measure largely the same phenomenon—people killed by others—but they differ in data source, case definitions, coverage, and prod...

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