Louisiana car seat law (2026)
Children younger than 2 years must ride rear-facing until reaching the weight or height limit set by the manufacturer; children at least 2 through 3 years in a forward-facing restraint until reaching the manufacturer limit; children at least 4 through 8 years in a booster until reaching the manufacturer limit.
| Provision | What the IIHS table lists for Louisiana |
|---|---|
| Child restraint | Children younger than 2 years must ride rear-facing until reaching the weight or height limit set by the manufacturer; children at least 2 through 3 years in a forward-facing restraint until reaching the manufacturer limit; children at least 4 through 8 years in a booster until reaching the manufacturer limit. |
| Adult seat belt | Ages 9 through 17, or children who have outgrown the booster, must use a seat belt. |
| Rear seat | Children 12 and younger must be in the rear seat if available. |
The law names ages — the seat's specs decide the switch
Every threshold above meets a spec question: is your child still within the seat's own height/weight limits for that mode? That's published manufacturer data, and it's what this site organizes:
- Keeping a toddler rear-facing longer → extended rear-facing seats (higher rear-facing limits).
- Moving from harness to booster → booster seats, incl. narrow boosters for 3-across.
- One seat across the whole journey → all-in-one (4-in-1) seats.
- Not sure a seat works in your car → how to check fit.
FAQ
What is the car seat law in Louisiana?
Children younger than 2 years must ride rear-facing until reaching the weight or height limit set by the manufacturer; children at least 2 through 3 years in a forward-facing restraint until reaching the manufacturer limit; children at least 4 through 8 years in a booster until reaching the manufacturer limit. (As published in the IIHS state law table, retrieved 2026-07-16 — a summary, not legal advice.)
When can a child use just a seat belt in Louisiana?
Ages 9 through 17, or children who have outgrown the booster, must use a seat belt. Best practice is to keep using a booster until the adult belt fits properly — lap flat on the thighs, shoulder belt across the chest — regardless of the legal minimum.
Does Louisiana require children to ride in the back seat?
Children 12 and younger must be in the rear seat if available. (As published in the IIHS state law table.) NHTSA's recommendation goes further: all children under 13 in the back seat, and never a rear-facing seat in front of an active passenger airbag.
Is the Louisiana law the same as best practice?
No — the law is the legal minimum. NHTSA recommends keeping children in each stage (rear-facing, forward-facing harness, booster) up to the seat's own height and weight limits, which usually lasts longer than the law requires.
All states: car seat laws by state · nearby in the list: Maine · Maryland · Massachusetts · Michigan · Minnesota