Requirements guide
Understand age, height, weight, and seat belt fit.
Read requirementsState law page
At least 2 yrs in a rear-facing child safety seat until outgrows the seat by height or weight | At least 2 yrs in forward-facing child safety seat if rear-facing seat it too small by height or weight | 4-8 yrs in booster seat if outgrown forward-facing harness seat by height or weight | Under 13 in rear seat if possible * | If a child can be placed in more than one category, then the child must be placed in the more protective category.
| Field | Minnesota snapshot |
|---|---|
| Age requirement | At least 2 yrs in a rear-facing child safety seat until outgrows the seat by height or weight | At least 2 yrs in forward-facing child safety seat if rear-facing seat it too small by height or weight | 4-8 yrs in booster seat if outgrown forward-facing harness seat by height or weight | Under 13 in rear seat if possible * | If a child can be placed in more than one category, then the child must be placed in the more protective category. |
| Height requirement | See child-restraint rule; includes height language where listed. |
| Weight requirement | See child-restraint rule; includes weight language where listed. |
| Fine / penalty | Verify fine with state source; GHSA notes first-offense fines vary by state. |
| Last checked | GHSA reviewed by SHSOs June 2025; extracted 2026-07-23 |
| Verification level | Index source; official state verification pending |
| Child restraint required | At least 2 yrs in a rear-facing child safety seat until outgrows the seat by height or weight | At least 2 yrs in forward-facing child safety seat if rear-facing seat it too small by height or weight | 4-8 yrs in booster seat if outgrown forward-facing harness seat by height or weight | Under 13 in rear seat if possible * | If a child can be placed in more than one category, then the child must be placed in the more protective category. |
| Adult safety belt permissible | At least 9 yrs and fits in an adult seat belt correctly | Under 13 in rear seat if possible |
| Verification level | Index source; official state verification pending |
Sources
Index source: https://www.ghsa.org/state-laws-issues/child-passengers
Statute/source text: GHSA child passenger law summary; Safe Kids state law tracker cross-check
Even when Minnesota law allows a seat belt, NHTSA, CDC, and AAP guidance may still recommend a booster until the vehicle belt fits properly.
Understand age, height, weight, and seat belt fit.
Read requirementsSee when children typically start and stop using boosters.
Read age guideKnow when to move from harnessed seat to booster.
Read transition guide