What is the difference between no-fault and at-fault insurance?
Most states in the United States follow an at-fault system in accident cases where the party held liable for the accident must cover the damages and injuries of the other driver, while some states, like Florida, follow a no-fault system that allows both parties to be covered instead of the at-fault driver’s insurance.
So, the basic difference between at-fault and no-fault insurance is limiting your rights to sue the negligent party and who is legally required (the liable party) to pay for the injured party’s damages. Let’s discuss more elaborately to have a deeper understanding of this.
What is no-fault insurance? And how does it work?
In no-fault insurance, who caused the accident and is at fault doesn’t play a role in seeking compensation for the injuries after an accident. There is no waiting for courts or insurance companies to determine who caused the accident with their prolonged investigation.
No-fault insurance policies cover your damages regardless of who is at fault. The policy is called personal injury protection (PIP), which covers your medical bills and lost wages.
Characteristics of no-fault
- Even the at-fault driver is entitled to compensation in no-fault cases.
- Victims cannot seek compensation for non-economic damages through no-fault insurance most of the time.
- Litigation is rare in no-fault accident cases, with most cases being settled out of court through negotiations with insurance companies.
What are the no-fault states?
States that follow the no-fault system are Florida, Utah, Kentucky, Massachusetts, Hawaii, North Dakota, New York, Michigan, Minnesota, Kansas, New Jersey, and Pennsylvania.
Key exceptions to no-fault
In states with a no-fault insurance system, there are certain thresholds that need to be met for drivers to sue the at-fault party for non-economic damages like pain and suffering. Exceptions for the no-fault system that allow you to sue include:
Serious injury threshold
If the victim sustained serious injuries that alter their daily lives and entire body function forever that exceed PIP limits, they can sue for a traditional personal injury lawsuit. Serious injuries include:
- Serious fractures or broken bones
- Permanent disfigurement or impairment of a body part
- Permanent loss of an important body function
- Death
Monetary threshold
If medical expenses for your injury exceed the specific dollar amount as set by the state law, the injured party may be allowed to sue.
Out-of-state accidents
If the resident of a no-fault state got into an accident and was injured in an at-fault state, the laws of at-fault states apply, allowing for a lawsuit.
What is at-fault insurance? How does it work?
Most states, along with the District of Columbia, follow the at-fault system. The at-fault party is legally bound to pay for the injured party’s economic and non-economic damages under this insurance. The injured party can sue the liable party if the case becomes contested, but most cases are settled out of court.
The at-fault party’s insurance is responsible for paying you the compensation in this system. If the victim is offered a lower payout by the insurance company, they have the right to sue the insurance company to get the right compensation.
The insurance company will have its own investigation to determine who was at fault and to calculate the damages.
Types of fault or negligence systems
Contributory negligence
If the plaintiff or the injured party is even slightly at fault for the accident (1%), they cannot recover any damages from the at-fault party.
Pure comparative fault
This is based on the percentage of fault you’re at. For example, if the plaintiff is at 40% fault, they can claim 60% of the expenses from the other party’s insurance.
Modified comparative fault
This has two bar rules.
50% bar rule: The plaintiff recovers damages only if their fault is less than the defendant’s (49% or less at fault).
51% bar rule: The plaintiff can seek damages from the at-fault party only if their fault is not greater than the defendant’s (50% or less at fault).
“Choice” States:
Kentucky, Pennsylvania, and New Jersey are choice states, where you choose to get either no-fault or at-fault insurance as your preference.
Key takeaways
- In no-fault states, your own insurance pays your medical bills; in at-fault states, the other driver’s insurance pays.
- No-fault states limit your right to sue unless your injuries are serious, while at-fault states generally allow lawsuits for any injury.
- The no-fault system only applies to injuries. The at-fault driver’s insurance is still responsible for your vehicle damage.
- In an at-fault case, your payout is reduced by the percentage you contributed to the accident.
- Most states are at-fault; only 12 states use no-fault, while 3 states let you choose either an at-fault or no-fault system.

