Florida does not require drivers to carry any coverage for injuries they cause to other people. That single gap is why uninsured motorist coverage does more work here than almost anywhere — and why a legally insured driver can still leave you with nothing.
Someone runs a red light, hits your car, and you end up in an ambulance. The police report gets filed, the other driver is completely at fault — and then you find out there's no insurance to collect from.
In Florida this happens more than it should, and for a reason most drivers never hear: Florida doesn't require drivers to carry any coverage at all for injuries they cause to other people. Not a small amount. None.
Uninsured motorist coverage is what stands between you and that scenario. Here's how it works, who actually needs it, and the paperwork detail that means some drivers already have it without realizing.
If you're not sure what you're currently required to carry, start with what Florida actually requires — it's less than almost everyone assumes.
What is uninsured motorist coverage?
The short answer: It's coverage on your own policy that pays your injury costs when the at-fault driver can't. It steps in when they have no injury coverage, not enough of it, or they hit you and drive off.
Most coverage on your policy protects other people from you. UM is the reverse — it protects you from everyone else. You're essentially buying a backup policy for the driver who should have had one.
It covers three situations:
It pays for the things PIP doesn't reach — the medical bills past your $10,000 PIP limit, the wages PIP only partly replaces, and pain and suffering when your injuries are serious enough to qualify.
Why does this matter more in Florida?
The short answer: Because Florida is one of the few states that doesn't require bodily injury liability. A driver here can be completely legal and still carry nothing for your injuries.
This is the part worth slowing down on, because it's the whole argument.
To register a car in Florida you need $10,000 of PIP and $10,000 of property damage liability. That's it. Property damage liability pays for someone's car. Nothing on that list pays for someone's body.
So the usual framing — "protect yourself from uninsured drivers" — undersells it. In Florida, UM protects you from a much larger group: everyone driving legally without injury coverage.
How many Florida drivers are actually uninsured?
The short answer: Depends who you ask, and the gap is huge. The insurance industry's estimate is around one in five. The state's own number is under 6%. Both are measuring real things — just differently.
Most articles pick whichever number sounds scarier. Here are both, and why they disagree.
| Source | Estimate | What it's measuring |
|---|---|---|
| Insurance Research Council (2023 data) | ~20.6% — about 1 in 5, 7th highest in the U.S. | A claims-based estimate: the ratio of uninsured-motorist claims to bodily-injury claims |
| Florida Highway Safety and Motor Vehicles | Just under 6% | Registered vehicles the state can confirm have active coverage |
The IRC figure counts how often uninsured drivers actually show up in crashes. The state figure counts paperwork. A driver who buys a policy to register a car and cancels it a month later looks insured in one and uninsured in the other.
Our honest read: the truth is somewhere between, and it doesn't change the decision much either way. Because the number that actually matters isn't the uninsured rate at all.
Nearly four in ten. Those drivers aren't breaking any law and they aren't in the uninsured statistics. They just don't have enough — and in a state where the legal minimum for injuries is zero, "not enough" is an extremely low bar to clear.
Add the two groups together and you're looking at a majority of the cars around you on I-95.
Do I actually need it?
The short answer: If you'd struggle to absorb tens of thousands in medical bills and lost income after a crash that wasn't your fault, yes. For most Florida households, that's the honest answer.
Here's the test we walk clients through. Picture a crash you didn't cause. You're out of work for two months. Your medical bills run $60,000. The other driver carries no injury coverage.
Your PIP pays 80% of bills up to $10,000. Then it stops. What covers the rest?
| Cost | Without UM | With UM |
|---|---|---|
| First $10,000 of medical | PIP (80%) | PIP (80%) |
| Medical beyond $10,000 | You, or your health plan | UM, to your limit |
| Lost wages past PIP's 60% | You | UM |
| Pain and suffering | Nobody | UM, if injuries qualify |
| Your deductibles and copays | You | Often covered |
The column on the left is what "I'll just sue them" actually looks like in practice. You can win that lawsuit. Collecting is a different problem — a driver who couldn't afford insurance usually can't afford a judgment either, and you've now paid legal fees to chase someone with nothing.
How much UM coverage should I carry?
The short answer: Match it to your bodily injury liability limits. Florida law already sets that as the starting point, and it's the right instinct — the coverage protecting your family shouldn't be thinner than the coverage protecting strangers.
Under Fla. Stat. § 627.727, your insurer has to offer you UM at the same limits as your bodily injury liability. If you carry 100/300 in liability, they must offer 100/300 in UM. You can ask for less, but you have to ask.
That default exists for a reason. Think about what it means to carry $300,000 to protect a stranger you might injure, and $50,000 to protect your own spouse in the passenger seat.
There's a knock-on effect worth knowing: raising your liability limits raises what you can buy in UM. The two move together. It's one of the reasons we push liability limits first when reviewing a policy — you're improving both sides of the crash at once.
What's the difference between stacked and non-stacked?
The short answer: If you own more than one vehicle, stacked coverage combines the UM limits across them. Non-stacked doesn't. Stacked costs more and pays more, and most people have never been asked which one they have.
Say you have two cars, each with $50,000 of UM.
Florida law treats stacked as the default. To end up with non-stacked coverage, you have to have actively chosen it on an approved form. In practice a lot of drivers signed that form years ago during a "let's trim the premium" conversation and have no memory of it.
What if I already rejected UM coverage?
The short answer: Check whether the rejection was ever properly signed. If your insurer can't produce that form, Florida law may treat your policy as carrying UM at your full liability limits anyway.
This is the detail almost nobody knows, and it's worth real money.
Florida doesn't let an insurer quietly leave UM off your policy. They have to offer it, and if you turn it down, that rejection has to be in writing on a state-approved form. The form even has required wording, in bold, warning you what you're giving up.
If you've been in a crash with an uninsured driver and were told you have no UM, that's a question worth asking before you accept the answer: can you show me the signed rejection form?
And if you rejected it years ago and nothing has changed since — different car, different income, kids driving now — that decision is due for a look. Our bilingual team reviews this on request, in English or Spanish, whether or not you're a Core 4 client.
The bottom line on uninsured motorist coverage in Florida
Florida asks less of its drivers than almost any other state. There's no requirement to carry a dollar of coverage for injuries you cause to someone else. That single gap is why uninsured motorist coverage does more work here than it does almost anywhere.
The uninsured numbers are debatable — the industry says roughly one in five, the state says under 6%. The underinsured number isn't nearly as debatable, and it's worse: close to four in ten Florida drivers carry less than a serious crash would cost. Between those two groups, the odds that the car next to you couldn't cover your injuries are uncomfortably high.
UM is usually one of the cheapest lines on a Florida policy and one of the few that protects you rather than everyone else. Match it to your liability limits, check whether you're stacked or not, and if someone told you that you rejected it, ask to see the form.
Core 4 has served more than 14,000 Florida clients since 2014 and compares 120+ carriers on every quote, so we can show you what UM costs across the market instead of one company's answer. Call (954) 420-1501, or come by 3488 Red Road in Miramar — walk-ins welcome, English or Spanish, and we'll read your declarations page with you.
About this guide
Who wrote it. Written and reviewed by the Core 4 Insurance team — licensed Florida insurance producers based in Miramar, Broward County. Core 4 is an independent agency, so we compare uninsured motorist pricing across 120+ carriers rather than quoting a single brand.
Where we work. Statewide across Florida, with our office and deepest local experience in Broward, Miami-Dade and Palm Beach counties.
How we source it. Statutory claims trace to the Florida Statutes, published Florida Senate bill histories, and the Florida Department of Highway Safety and Motor Vehicles. Figures are dated inline and reviewed quarterly.
Regulator. Core 4 Insurance is licensed by the Florida Office of Insurance Regulation.
Last reviewed by the Core 4 Insurance Team on July 24, 2026. Florida insurance law and legislative activity change frequently — we re-verify this guide quarterly, including the status of any active repeal bills. For the broader Florida auto insurance picture, see our flagship Florida Driver's Insurance Guide.