Rates of Motor Vehicle Crashes, Injuries and Deaths in Relation to Driver Age, United States, 2014-2015
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Summary
This research brief from the AAA Foundation for Traffic Safety analyzes motor vehicle crash rates, injuries, and deaths in relation to driver age in the United States for the years 2014–2015. The study aims to provide updated statistics on driving risk per mile driven, addressing the need for current data following a previous analysis based on 2008–2009 figures. The primary objective is to determine how crash involvement and severity vary across different age groups, specifically examining whether high fatality rates among older drivers are due to increased crash involvement or increased physical fragility. The methodology utilized data from the National Highway Traffic Safety Administration (NHTSA) for police-reported crashes and fatal crashes, combined with driving exposure data from the American Driving Survey. Rates were calculated per 100 million miles driven for drivers of cars, pickup trucks, vans, minivans, and sport utility vehicles. The analysis categorized outcomes into all police-reported crashes, injury crashes (injuries but no deaths), and fatal crashes. Additionally, the study tracked injuries and deaths not only for the subject driver but also for passengers and individuals outside the driver’s vehicle, allowing for a comprehensive assessment of risk posed to others. The results indicate that drivers aged 16–17 have the highest rates of crash involvement, injuries to themselves and others, and deaths of others, with crash rates nearly double those of 18–19-year-olds and 4.5 times higher than drivers aged 30–59. Drivers aged 60–69 exhibited the lowest crash rates across most measures, identifying them as the safest group. While crash rates increased slightly for drivers aged 70 and older, they remained lower than those of younger drivers. However, drivers aged 80 and older had the highest rate of fatal crash involvement and the highest rate of driver deaths. Notably, the high death rate for drivers aged 80+ was not accompanied by proportionally high crash involvement rates; their crash rates were comparable to drivers in their 20s or 30s. The significance of these findings lies in the distinction between crash risk and fatality risk. The data confirm that while teenage drivers pose the greatest risk of causing crashes and injuring others, the elevated death rate among drivers aged 80 and older reflects their increased physical fragility rather than excessive crash involvement. This supports prior research suggesting that older drivers are more likely to die in crashes they are involved in, despite having lower overall crash frequencies. The study also noted a 4.8% increase in drivers involved in police-reported crashes and a 9.0% increase in fatal crashes from 2014 to 2015, though insufficient exposure data prevented analysis of year-over-year rate changes by age. These insights are critical for tailoring traffic safety interventions, emphasizing crash prevention for young drivers and injury mitigation for older drivers.
Key finding
Using 2014–2015 national data, teen drivers (16–17) had by far the highest mileage-based crash involvement and risk to others, drivers 60–69 were safest on most measures, and drivers 80+ had the highest driver death rate per mile—driven by crash survivability rather than crash frequency.
Methodology
modeling
Provenance
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| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | success | aaa_foundation | — | — | 2 | 2026-05-23 |
| archive | success | — | — | — | 1 | 2026-05-23 |
| extract | success | cached | — | — | 2 | 2026-06-10 |
| clean | success | — | — | — | 1 | 2026-06-01 |
| chunk | success | — | — | — | 1 | 2026-06-01 |
| embed | success | — | — | — | 1 | 2026-06-02 |
| enrich | success | — | — | — | 1 | 2026-05-23 |
| promote | success | — | — | — | 1 | 2026-05-23 |
| summarize | success | llm | qwen3.6-27b-prismaquant | summ-v5 | 2 | 2026-06-10 |
| tag | success | vector_similarity | — | — | 19 | 2026-06-11 |
| verify | success | — | — | — | 2 | 2026-06-10 |
Summary generated by qwen3.6-27b-prismaquant on 2026-06-10; verification: verified.
Topics
Ranked by relevance to this paper. Hover a topic for its definition.
- demographic disparities
- incidence prevalence
- sex gender
- comparative international
- novice drivers
- fatality injury trends
Information type
What kind of knowledge this paper contributes, grouped by family — independent of topic (what it is about) and method (how it was studied).
- Empirical Findings: crash risk outcomes, observational prevalence