If you need the actual Mississippi car seat law — not a guess — this page has it: the restraint stages, the fine for a violation, whether kids can ride up front, and a link to the official statute, all verified against Mississippi State Department of Health publications.
Law data last verified against official state sources: October 4, 2026.
Quick answer
Mississippi requires a safety seat under age 4, a booster for ages 4–6 if under 57 inches or 65 lbs, and allows adult belts at age 7 (or 57 in / 65 lbs).
Mississippi car seat requirements by age and size
| Stage | What Mississippi law requires |
|---|---|
| Rear-facing | Not specified on official source — law requires children younger than 4 years to use a safety seat or similar restraint (no rear/forward distinction stated). |
| Forward-facing | Not specified on official source. |
| Booster seat | Children 4 through 6 years old must use a booster seat if shorter than 57 inches (4’9″) or weighing less than 65 pounds. |
| Seat belt only | Adult safety belts may be used without a booster when the child reaches 7 years of age, or is at least 57 inches tall, or weighs at least 65 pounds. |
Fines and penalties in Mississippi
Fine: not published on the official state source. Note: .
Front seat rules in Mississippi
Front-seat rule: not specified in state law. Note: .
The official law
- Statute: not published on the official state source we reviewed.
- Official source: Mississippi State Department of Health
Mississippi car seat law FAQs
What is the fine for a car seat violation in Mississippi?
Fine: not published on the official state source. Note: .
When can my child stop using a booster seat in Mississippi?
Children 4 through 6 years old must use a booster seat if shorter than 57 inches (4’9″) or weighing less than 65 pounds. Adult safety belts may be used without a booster when the child reaches 7 years of age, or is at least 57 inches tall, or weighs at least 65 pounds.
Does Mississippi law require rear-facing car seats?
Not specified on official source — law requires children younger than 4 years to use a safety seat or similar restraint (no rear/forward distinction stated).
Can my child ride in the front seat in Mississippi?
Front-seat rule: not specified in state law. Note: .
Where can I read the official Mississippi car seat law?
Statute: not published on the official state source we reviewed. Official source: Mississippi State Department of Health.
Check another state
Driving across state lines? Requirements change at the border — use our interactive car seat law checker to look up any state by your child’s age, weight, and height.
Related state guides:
This page is for general informational purposes only and is not legal advice. Child passenger safety laws change — always verify current requirements with your state’s DMV, highway safety office, or the official statute linked below before making decisions.