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Missouri: motorcycle helmet laws

Who must wear a motorcycle helmet in your state: everyone, only some riders, or no one.

Single detailed source

Type of law	Partial
Who must wear a helmet	Required unless 26 or older with medical insurance

Not wearing a helmet can reduce what you recover after a crash in some states, even where a helmet is not required. Passenger rules may differ from rider rules.

General information only, not legal, insurance or financial advice. Not affiliated with any government agency. Exceptions can apply. Confirm with the state agency, the court or a licensed professional in Missouri.

How Missouri compares

30 of 51 states and DC share this answer (Partial): Alaska, Arizona, Arkansas, Colorado, Connecticut, Delaware, Florida, Hawaii, Idaho, Indiana, Kansas, Kentucky, Maine, Michigan, Minnesota, Montana, Nebraska, New Mexico, North Dakota, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Texas, Utah, Wisconsin, Wyoming.

Also for Missouri: Car insurance by state in Missouri · Claim deadlines in Missouri · Small claims limits in Missouri · Total loss rules in Missouri · Shared fault rules in Missouri · Accident reporting rules in Missouri · Lemon law rules in Missouri · Sales tax rates in Missouri · Phone-while-driving laws in Missouri · Gas tax in Missouri · Uninsured drivers in Missouri · All Missouri rules on one page

How we checked this

Requirements come from the Governors Highway Safety Association's state helmet law pages, sourced from IIHS and reviewed by state highway safety offices in 2025. Last checked: November 12, 2026. Laws change; confirm with the state agency or a licensed professional before acting.

Cross-checked sources agree   Checked on official source confirmed on a government, court or legislature site   Single detailed source one detailed table built from statutes or official data   Under review sources disagree; read the note and the law.