factually
Index/Topics/Measurement issues in crime data

Measurement issues in crime data

Limitations and potential issues with crime data measurement, including racial classification and reporting practices

Fact-Checks

2 results
Jan 26, 2026
Most Viewed

How many illegal immigrants have killed in the US from 2015 on?

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...

Jan 29, 2026
Most Viewed

How have changes in racial/ethnic classification (Hispanic reporting) affected crime statistics over time?

crime data record Hispanic ethnicity — from historically folding Hispanics into the "white" race category toward more explicit ethnicity fields and separate reporting systems — have materially altered...