Ask anyone to picture a fatal motorcycle crash and they’ll describe the same scene: a reckless young rider, going too fast, blowing through a busy intersection. Arizona’s own crash record says nearly every part of that picture is wrong.
We pulled the federal file on all 996 people killed on a motorcycle in Arizona from 2020 through 2024 and tested the story the state tells itself. Here’s what the data does to it.
You picture a reckless teenager. Arizona’s records show an unhelmeted rider over 55.
The Myth of the Reckless Young Rider
The next assumption is about who dies: the kid on the sport bike, helmet-less and fearless. The helmet record flips it.
Statewide, among the 996 riders killed in Arizona from 2020 through 2024, the ones 55 and older went bare-headed 56.5 percent of the time. For riders under 25, it was 20.7 percent.
That’s a 2.73-times gap, drawn from 292 older riders and 188 younger ones across the whole state. The riders least likely to be wearing a helmet when they died still weren’t the young. They were the oldest.
Across every age group, 41.2 percent of the 996 riders killed wore no helmet, 410 people, in a state that doesn’t require an adult to wear one under ARS 28-964. The median age among all riders killed was 41.
This is what Arizona’s fatal-crash file shows, not a claim about why. The pattern is specific to fatal crashes. Broader national surveys of helmet use across all severities of motorcycle crash describe a different shape by age, not a straight decline.
That doesn’t change what happened in the fatal cases counted here: the riders Arizona lost bare-headed were disproportionately its oldest, not its youngest.
One honest limit still applies. Helmet status is drawn from a single coded field, and a rider logged as wearing a helmet of unknown federal rating is counted as helmeted, because a helmet was in fact worn.
The gap holds either way: 2.73 times counting every rider, 2.81 times if the small number of truly unrecorded cases are set aside. Arizona lets adults ride without a helmet under ARS 28-964, and it’s the older riders taking that permission to the grave.
What Arizona Doesn’t Write Down
Here’s the finding that should bother a reporter most, because it isn’t about how riders die. It’s about what the state fails to record.
In 72.8 percent of Arizona motorcyclist deaths from 2020 through 2024, the crash record carries no determination of whether the rider had been drinking. Nationally, that gap is 24.8 percent. Arizona’s is nearly three times as wide, and among the 25 states with the most rider deaths, only two record it worse.
The drug-testing gap is larger still: 75.3 percent of Arizona rider deaths carry no drug determination, against 36.9 percent nationally.
Be precise about what this does and doesn’t say. It doesn’t say Arizona stopped testing anyone, and it isn’t a gap only Arizona has. A small cluster of states leaves the same box blank.
What the record shows is that in nearly three of four Arizona rider deaths, no one wrote down whether alcohol was involved. Where a status does exist, one the record puts down as a clear yes or no, alcohol was flagged in 49.2 percent of those cases, 98 of 199 riders.
So the single most common assumption about why riders die, that they were drinking, is one the state’s own file mostly can’t confirm or deny.
The Myth of the Hit-and-Run
Arizona has a real driver-abandonment problem. Our own analysis of pedestrian deaths, The Vanishing Driver, found drivers fled 22.1 percent of fatal pedestrian crashes from 2009 through 2024. So it’s fair to ask whether the same thing drives the motorcycle toll.
It doesn’t. A driver fled about 3.3 percent of fatal Arizona motorcycle crashes from 2020 through 2024, close to the national rate, and close to the roughly 3 percent Arizona rate across the longer 2009-to-2024 window.
That sits with vehicle-occupant deaths, not with the 22.1 percent pedestrian figure or the 18.9 percent for bicyclists. On the road, a motorcyclist gets treated like someone in a car, not like someone on foot.
Read that carefully, though. A 3.3 percent flee rate is still about 1 in 30 fatal crashes, real people whose case turns on finding a driver who left.
The point isn’t that riders are safe from hit-and-run. It’s that hit-and-run doesn’t drive the death toll the way it does for people walking.
The Myth of the Deadly Intersection
Not every wrong assumption is about who’s riding. Some are about where.
The record points somewhere else. 556 of the 996 riders killed, 55.8 percent, died away from any intersection, on an open road, a curve, a shoulder, or a mid-block stretch. A four-way intersection accounts for 234 deaths, a T-intersection for 160, and everything else for fewer than 50 combined.
One honest note travels with that number. “Away from an intersection” isn’t the same as “a safe road.” It can be a fast curve, a dark shoulder, or an open highway segment, the places where a rider hits the ground with nothing around to slow the impact.
The point isn’t that these roads are gentle. It’s that the crossing you’d expect to fear isn’t where most riders actually die, and the safety money that chases intersections is chasing a minority of the toll.
The One Belief That Holds Up
Not every myth breaks. Speed survives contact with the data.
Speed was flagged as a factor in 42.7 percent of fatal Arizona motorcycle crashes, 425 of the 996 riders. Most of that is riders going too fast for conditions, 266 cases, with another 124 over the posted limit.
Speed wasn’t recorded as a factor in 483 cases, and 88 more had no determination either way, about 8.8 percent, so the true share could sit a little higher.
That’s the honest close. The intersection, the young rider, and the fleeing driver are stories the record mostly rejects. Speed is the one it backs up.
Worse Than Vegas, and Still Climbing
None of this makes Arizona a safe place to ride. The scale is the reason the details matter. Across America’s 12 most populous counties, Maricopa has the highest motorcyclist death rate, 12.48 per 100,000 residents from 2020 through 2024, ahead of Las Vegas and more than three times the rate in Chicago.
That per-capita ranking, the decade-long climb in the yearly count, and the map of where the crashes fall are laid out in our companion Phoenix motorcycle deaths data report.
The takeaway from both pieces is the same. This is a large, growing toll, and most of what people believe about its shape is wrong.
What the Numbers Can’t Show
The fatality count is the headline. The injury count is the iceberg under it.
For every rider killed, others survive a crash with a traumatic brain injury, lose the ability to work, or carry the cost for the rest of their lives. The federal file counts the deaths.
It doesn’t count the years that follow a survivable wreck. That’s where the legal stakes live.
Arizona lets an adult ride without a helmet. Then, if you’re hurt, an insurer uses that same freedom against you, arguing your own choice made your injuries worse even though you broke no law. How Arizona’s comparative-fault rule really works is in Ron DeBrigida’s Arizona motorcycle law guide.
The clock is the second trap. You have two years to file an injury claim under ARS 12-542, and a wrongful-death claim after a fatal crash runs on the same two-year limit under ARS 12-611. If a government or public road may be involved, a separate 180-day notice-of-claim deadline under ARS 12-821.01 can apply, which is much shorter than the two-year deadline.
The scene photos, the witness accounts, and the vehicle data that decide your case are gone in days, not years. The first moves that protect a claim are in our motorcycle crash action plan.
How We Counted
Every count and share on this page is computed by AZ Law Now from the NHTSA Fatality Analysis Reporting System (FARS), the federal record of every traffic death.
A motorcyclist death is a person who died on a motorcycle body type, counted at the person level. The core analysis covers Arizona from 2020 through 2024, the widest window the federal helmet-use field reliably supports, because that field isn’t coded before 2019, and it matches the window of the companion Phoenix death-rate report.
The pedestrian and bicyclist flee rates come from the longer 2009-to-2024 window and are stated as such wherever they appear, never blended with the 2020-to-2024 motorcycle figures.
The location, helmet, age, hit-and-run, impairment, and speed breakdowns all come from the same FARS records. One of them carries an honest limit stated in place: the impairment figures reflect what the state recorded, which is often nothing.
The helmet-by-age finding is now a statewide pull across the full 2020-2024 window, not a single-county subset. Even Arizona’s elevated share of unknown location codes touches under 2 percent of these crashes, so the intersection finding is a clean read.
The national and by-state comparisons use the same FARS definitions applied to every state. These are computed figures, not NHTSA-published statistics.
Related Coverage
See the full Phoenix motorcycle deaths data report for the county death-rate ranking, the decade trend, and the crash map. For the driver-abandonment context, read The Vanishing Driver. For the legal and process side, read Ron DeBrigida’s guide to Arizona motorcycle law, the motorcycle crash action plan, and the motorcycle crashes practice overview.
Frequently asked questions
Are older or younger riders more likely to die without a helmet in Arizona?
Does Arizona record whether motorcycle riders had been drinking?
How often does a driver flee a fatal motorcycle crash in Arizona?
Where do most fatal motorcycle crashes happen in Arizona?
Is speed a factor in Arizona motorcycle deaths?
Does Arizona have a motorcycle helmet law?
Do you need a lawyer after a motorcycle crash in Arizona?
Where is this motorcycle crash data from?
Sources & references
- National Highway Traffic Safety Administration. (2025). Fatality Analysis Reporting System (FARS), 2009 to 2024. U.S. Department of Transportation. Retrieved from https://www.nhtsa.gov/research-data/fatality-analysis-reporting-system-fars
- U.S. Census Bureau. (2025). County Population Totals and Components of Change, 2020 to 2024 (Population Estimates Program, Vintage 2024). Retrieved from https://www.census.gov/data/tables/time-series/demo/popest/2020s-counties-total.html
- Arizona State Legislature. ARS 28-964: Protective Helmets and Glasses, Goggles or Transparent Face Shields. Retrieved from https://www.azleg.gov/ars/28/00964.htm
- Arizona State Legislature. ARS 12-542: Statute of Limitations for Personal Injury. Retrieved from https://www.azleg.gov/ars/12/00542.htm
- Arizona State Legislature. ARS 12-611: Wrongful Death Action. Retrieved from https://www.azleg.gov/ars/12/00611.htm