Factors in fatal crashes
Each factor page gives the national share, the trend, every state's share and the counties with the highest shares, using NHTSA's own codes.
| Factor | Measure | US share, 2015–2024 | Count |
|---|---|---|---|
| Alcohol | share of fatal crashes with a driver reported as drinking | 26.3% | 94,191 |
| Speeding | share of fatal crashes with a speeding-related driver | 27.2% | 97,503 |
| Pedestrians | share of people killed who were pedestrians | 17.1% | 66,370 |
| Motorcycles | share of people killed who were motorcyclists | 14.5% | 56,262 |
| Unrestrained occupants | share of vehicle-occupant deaths where no restraint was used, among those with restraint use known | 49.0% | 111,853 |
Definitions follow the FARS coding manual; see each page and the methodology.