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Reading FBI UCR national crime trends — what 2020–2025 actually shows
Crime trend stories in headlines often miss what the FBI data actually shows. Between the UCR-to-NIBRS transition, agency reporting gaps, and category-specific shifts, the right takeaways are nuanced — but the data itself is mostly transparent if you know what to look for.
Published 2026-04-25 · Last reviewed 2026-04-25 · methodology
What changed in 2020 (and didn't reverse fully)
Homicide: up roughly 30% in 2020 nationally, the largest single-year jump ever recorded. Concentrated in cities with police-staffing reductions and concentrated firearms availability.
Aggravated assault: up ~10% in 2020, mostly recovered by 2024.
Property crime (burglary, larceny, vehicle theft): mixed. Vehicle theft up sharply (Hyundai/Kia mechanical exposure widely publicized). Burglary down — many businesses closed and residents stayed home.
Bottom line: violent crime spiked in 2020, gradually normalized. Some categories returned to 2019 baselines by 2024; others (homicide, vehicle theft) remained elevated.
The UCR/NIBRS transition complication
FBI ended the legacy Summary Reporting System (SRS) in January 2021 and required all agencies to use the National Incident-Based Reporting System (NIBRS).
Many agencies (including some of the largest, like NYC and LAPD) had not fully transitioned by 2021. The 2021 national totals are missing data from these agencies, making 2020-vs-2021 comparisons technically apples-to-oranges.
By 2024, most agencies were on NIBRS. 2024 vs. 2025 comparisons are more reliable.
What zipradar shows
Per-100,000 rates by reporting agency (city or county) for major offense categories. Agencies that didn't report a given year are flagged, not interpolated.
We don't aggregate to a single 'national' or 'metro' rate — the math is too sensitive to which agencies reported. Read at the agency level.
What 'low' and 'high' actually mean
US violent-crime per-100k rates range from ~50 (rural Vermont, Idaho counties) to >1,000 (some urban distressed areas). Wide variance.
Property crime rates range from ~500 to >5,000 per-100k.
Comparing the same metric across two zips on zipradar shows you the relative position. Comparing to national averages is less useful than comparing to neighboring zips.
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