Skip to main content
ILvsMO

Illinois vs Missouri Personal Injury Laws

Illinois struck down its damage caps as unconstitutional and uses modified comparative negligence, while Missouri pairs pure comparative negligence with a 5-year SOL — one of the longest in the nation — making both highly plaintiff-accessible.

Side-by-Side Comparison

TopicIllinois (IL)Missouri (MO)
Statute of Limitations2 years from injury date5 years from injury date (one of the longest in the US)
Fault SystemAt-fault (tort) state — direct right to sueAt-fault (tort) state — direct right to sue
Comparative NegligenceModified comparative (51%) — barred at 51%+ faultPure comparative — recover at any fault level, reduced proportionally
Damage CapsNo damage caps — non-economic/med-mal caps struck down (2010)No cap on PI compensatory damages; punitive cap 5× economic damages
Avg Settlement Range$60,000 – $300,000 (Cook County juries; no caps lift top end)$60,000 – $280,000 (St. Louis juries more plaintiff-friendly)

Which State Is Better for Plaintiffs?

Based on the rules above, Missouri is generally more favorable for personal injury plaintiffs. Key factors include the comparative negligence standard, damage caps, and statute of limitations. However, the best state for your specific claim depends on where your injury occurred — you must file in the jurisdiction where the accident happened.

Find a Local Personal Injury Attorney

State law differences are only part of the picture — local courts, judges, and juries matter too. A licensed attorney in your state can evaluate your specific case.

Related State Comparisons

For informational purposes only. Not legal advice. Consult a licensed attorney.