Comparative negligence rules in Indiana

If you were hurt in an Indiana crash and the other driver's insurer is already hinting that you share some of the blame, pay attention to it. That hint is usually the opening move in a fight over money. Indiana law lets the person who caused your injuries lower what they owe by proving you were partly at fault, and past a certain point, the same argument can erase your claim completely.

Indiana runs on a modified comparative fault system with a 51% bar. Here is what that means in practice, with the statute behind each rule.

The 51% bar and how your award shrinks

Indiana's Comparative Fault Act reduces your compensation in proportion to your own share of fault. Under Indiana Code 34-51-2-5, any contributory fault charged to you "diminishes proportionately the amount awarded as compensatory damages," but it does not bar recovery unless you cross the line in the next section.¹ That line sits at 50%. Indiana Code 34-51-2-6 bars you from recovering anything once your fault is greater than 50% of the total fault in the crash.² In whole numbers: 50% or less and you still collect, 51% or more and you get nothing.

The math is simple. Say a jury values your damages at $100,000 and finds you 20% responsible. Your award drops by 20%, to $80,000. Hold your share at exactly 50% and you still recover $50,000. Tip to 51% and the recovery is zero. That one percentage point is why an insurer works so hard to move fault onto the injured driver.

Most Indiana crash claims never reach a jury, but the same rule shapes every settlement. When an adjuster puts a number on the table, it already reflects the percentage of fault the insurer thinks it can pin on you. So the fault argument is worth taking seriously long before anyone files a lawsuit.

What Indiana counts as fault

Fault is broader than running a red light. The statutory definition at Indiana Code 34-6-2-45 reaches any act or omission that is negligent, willful, wanton, reckless, or intentional, and it expressly includes unreasonable assumption of risk, incurred risk, and an unreasonable failure to avoid an injury or to reduce your damages.³ A defense lawyer can point to more than how the collision happened. Failing to wear a seat belt or driving too fast for the conditions can be folded into your percentage.

Winter is a common pressure point. Indiana sees regular snow and ice each year, heaviest across the northern and central parts of the state.⁴ Driving too fast for a snow-covered road is exactly the kind of thing an adjuster raises to argue you helped cause your own wreck, even when another driver plainly ran into you.

Who decides the percentages, and the empty chair

At trial, the jury assigns the numbers. Indiana Code 34-51-2-8 directs the court, in a case against two or more defendants, to have the jury find the percentage of fault of the claimant, of each defendant, and of any nonparty, then calculate the verdict from those shares.⁵ Section 34-51-2-7 sets the matching rule for a single-defendant case.⁶ A police crash report and an insurer's letter each suggest fault, but neither one settles it. The allocation is decided in the case itself.

Two features of that process matter in Indiana.

Defendants pay only their own share. Indiana traded joint and several liability for several liability in ordinary negligence cases. Under 34-51-2-8, the court enters judgment against each defendant for that defendant's percentage of fault multiplied by your damages, and no more.⁵ If a defendant who is 60% at fault has no insurance and no money, you cannot collect that 60% from a co-defendant who was only 40% to blame.

The defense can also point at people who are not in the room. Indiana Code 34-51-2-14 lets a defendant raise a "nonparty defense," claiming your harm was caused in whole or in part by someone who was never sued.⁷ The defendant has to plead and prove that nonparty's fault under 34-51-2-15.⁸ If the jury puts a percentage on that absent person, the named defendant's bill drops by the same amount. That is why finding and naming every responsible party early, before the deadline runs, is so important.

The government exception that catches people off guard

Everything above assumes you are up against a private driver or company. A claim against a government defendant, whether a city, a county, the state, or a public employee, follows a different and much harsher rule.

Indiana Code 34-51-2-2 states that the Comparative Fault Act "does not apply in any manner to tort claims against governmental entities or public employees" under the Indiana Tort Claims Act.⁹ Those claims run on old common-law contributory negligence, where being even 1% at fault bars your recovery in full. The 51% cushion is gone the moment the defendant is the government.

Government claims also carry short notice deadlines that are separate from the two-year filing window. To sue a political subdivision such as a city or county, you must serve a written tort claim notice within 180 days of the loss under Indiana Code 34-13-3-8.¹⁰ For a claim against the State of Indiana or a state agency, the deadline is 270 days under Indiana Code 34-13-3-6.¹¹ That notice is a written claim you serve before filing suit, and skipping it forfeits the whole case no matter how strong it would have been. A pothole wreck or a crash with a government vehicle can both land here.

The deadlines behind all of it

Comparative fault only matters while you still have a live claim. In Indiana you generally have two years from the crash to file a personal injury lawsuit under Indiana Code 34-11-2-4, and the same statute gives you two years for damage to personal property, including your vehicle.¹² The two-year clock usually starts on the date of the crash, though it can start later if a serious injury was not reasonably discoverable right away. Damage to real property carries a longer six-year limit under Indiana Code 34-11-2-7, but a car crash claim almost always runs on the two-year clock.¹³

Your property claim gets reduced by your fault percentage just like your injury claim. If your vehicle lost resale value after being repaired, that diminished value claim is worth pursuing, and it will be cut by your share of fault too. When you build the file, you can pull the official paperwork through Indiana's crash report system.

A single percentage point can decide whether you collect, and a missed 180-day notice can end a government claim before it starts, so the details reward getting them right early. If you would rather have someone handle the fault fight for you, you can find an Indiana attorney through the legal directory.

This article is general information, not legal advice.

Sources

1. Indiana Code 34-51-2-5, Effect of contributory fault (Indiana General Assembly). https://iga.in.gov/laws/2026/ic/titles/34#34-51-2-5

2. Indiana Code 34-51-2-6, Barring of recovery; degree of contributory fault (Indiana General Assembly). https://iga.in.gov/laws/2026/ic/titles/34#34-51-2-6

3. Indiana Code 34-6-2-45, definition of "fault" (Indiana General Assembly). https://iga.in.gov/laws/2026/ic/titles/34#34-6-2-45

4. National Weather Service, Indianapolis, Local Climate Data. https://www.weather.gov/ind/localcli

5. Indiana Code 34-51-2-8, Jury instructions; multiple defendants (Indiana General Assembly). https://iga.in.gov/laws/2026/ic/titles/34#34-51-2-8

6. Indiana Code 34-51-2-7, Jury instructions; single defendant (Indiana General Assembly). https://iga.in.gov/laws/2026/ic/titles/34#34-51-2-7

7. Indiana Code 34-51-2-14, Nonparty defense; assertion (Indiana General Assembly). https://iga.in.gov/laws/2026/ic/titles/34#34-51-2-14

8. Indiana Code 34-51-2-15, Nonparty defense; burden of proof (Indiana General Assembly). https://iga.in.gov/laws/2026/ic/titles/34#34-51-2-15

9. Indiana Code 34-51-2-2, Governmental entities and public employees excepted (Indiana General Assembly). https://iga.in.gov/laws/2026/ic/titles/34#34-51-2-2

10. Indiana Code 34-13-3-8, Indiana Tort Claims Act notice to political subdivisions (Indiana General Assembly). https://iga.in.gov/laws/2026/ic/titles/34#34-13-3-8

11. Indiana Code 34-13-3-6, Indiana Tort Claims Act notice to the state (Indiana General Assembly). https://iga.in.gov/laws/2026/ic/titles/34#34-13-3-6

12. Indiana Code 34-11-2-4, Injury or forfeiture of penalty actions (Indiana General Assembly). https://iga.in.gov/laws/2026/ic/titles/34#34-11-2-4

13. Indiana Code 34-11-2-7, Real property actions (Indiana General Assembly). https://iga.in.gov/laws/2026/ic/titles/34#34-11-2-7