Car Seat Laws: Protecting Children From Crashes (Feb 2025)

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Sarah Edwards

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Reviewed By Adam Ramirez, J.D.

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Summary

  • Every state requires children to ride in car seats
  • States vary in the requirements imposed by their car seat laws
  • Some states have precise requirements, while others give parents discretion

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Reasons for Car Seat Laws

Tens of thousands of vehicle occupants die in the U.S. every year. According to the U.S. Centers for Disease Control, car accident injuries are a leading cause of childhood death. Over 710 children under 12 years old died in car crashes in 2021, while over 63,000 suffered car accident injuries in 2020.

Fortunately, there is a solution. Child safety restraints, including car seats and booster seats, reduce the risk of injury and death when used properly. When compared to seat belt use for young children:

  • Car seats reduce the risk of injury by up to 82%
  • Booster seats reduce the risk of serious injuries by 45% for children ages 4–8
  • Booster seats reduce the risk of moderate to serious injuries for children ages 7–8

Based on these statistics, every state has passed child car seat laws.

Common Child Car Seat and Booster Seat Requirements

Child car seats fall into the following three types:

  • Rear-facing car seats
  • Forward-facing car seats
  • Booster seats

Rear-facing car seats position the child on their back with their feet pointed toward the rear of the vehicle. An integral five-point harness goes over the child’s shoulders, across their chest, and around their waist.

By positioning the child on their back, the seat supports an infant’s weak neck. Equally importantly, in a collision, the infant slides into the shoulder straps of the five-point harness. These two features ensure the child will not suffer a neck injury from whiplash or get ejected from the seat.

Forward-facing car seats are similar to seat belts. The child sits on their buttocks in a car seat with bottom and back support. The back support includes a headrest and a five-point harness that goes over the child’s shoulders, across the child’s chest, and around their waist. The seat is secured to the vehicle using the seat belt or anchor points in the seat.

These systems are less effective than rear-facing seats because the child’s head can whip forward in a collision, causing neck or head injuries. Moreover, the child can slip through the harness if the driver fails to tighten the chest buckle or the child wears a heavy coat.

However, most children will outgrow rear-facing seats by their second birthday, and a forward-facing car seat can provide greater protection to passengers too small to use seat belts.

Most booster seats do not anchor to the vehicle. Instead, they lift the child high enough that the seat belt crosses the chest and hips rather than the neck and abdomen. Thus, boosters rely on the vehicle’s seat belt to restrain the child after repositioning them.

Although every state requires child car restraints, they vary widely in the requirements they impose. The states generally fall into two categories:

Specific Car Seat Laws

Some states impose specific requirements about the type of seat required and when the child must use it. According to data from the Insurance Institute for Highway Safety (IIHS) and the Highway Loss Data Institute (HLDI), the majority of states have laws that specify at least one of the following:

  • The age when the child can switch from a rear-facing seat to a forward-facing seat
  • The age when the child can move from a forward-facing seat to a booster
  • The age when the child no longer needs a booster and can use the seat belts
  • Whether the state has any height or weight exceptions to the age requirements
  • Whether a car seat may be placed in the front seat since airbags can injure a child

According to the IIHS and HLDI chart, 37 states have detailed requirements about the seat the child must use. For example, Illinois law sets the following car seat and booster seat guidelines:

  • Infants under two years must ride in rear-facing seats
  • Toddlers move to forward-facing seats when over two years, 40 pounds or 40 inches
  • Children switch to booster seats at seven years
  • Children use seat belts without boosters at eight years

Drivers can violate car seat regulations by using no restraint or the wrong restraint for the child’s age and size.

State
Seat Belt Requirements by Age and Seat
Child Safety Seat Requirements
Child Age Allowed for Adult Seat Belt
Preference for Rear Seat
Alabama
15+ years in all seats
- Under 1 year or <20 lbs: rear-facing
- 1-4 years or 20-40 lbs: forward-facing
- 5 years: booster seat
6-14 years
No preference
Alaska
16+ years in all seats
- Under 1 year or <20 lbs: rear-facing
- 1-3 years and >20 lbs: child restraint
- 4-7 years: booster if <57 inches or <65 lbs
4-7 years if ≥57 inches or >65 lbs; 7-15 years if <57 inches or <65 lbs
No preference
Arizona
8+ years in front seat;
8-15 years in all seats
- 4 years and younger
- 5-7 years: booster if <57 inches
5-7 years if ≥57 inches
No preference
Arkansas
15+ years in front seat
5 years and younger and <60 lbs: child safety seat
6-14 years or ≥60 lbs
No preference
California
16+ years in all seats
- Under 2 years, <40 lbs, and <40 inches: rear-facing
- 7 years and younger, <57 inches: appropriate child restraint
8-15 years or ≥57 inches
7 years and younger, <57 inches: must be in rear seat
Colorado
18+ years in front seat (effective 01/01/25)
- Under 2 years and <40 lbs: rear-facing
- 2-3 years and ≥20 lbs: rear or forward-facing
- 4-8 years and ≥40 lbs: child restraint or booster (effective 01/01/25)
9-17 years (effective 01/01/25)
8 years and younger must be in the rear seat if available (effective 01/01/25)
Connecticut
8+ years in all seats
- Under 2 years or <30 lbs: rear-facing
- 2-4 years or 30-40 lbs: forward or rear-facing
- 5-7 years or 40-60 lbs: forward or rear-facing or booster seat
8-15 years and ≥60 lbs
No preference
Delaware
16+ years in all seats
- Under 2 years and <30 lbs: rear-facing with 5-point harness
- Under 4 years and <40 lbs: forward or rear-facing with 5-point harness
- 4-15 years: booster or seatbelt per manufacturer’s guidelines
Children reaching upper height/weight limits of booster seat through age 15
11 years and younger, ≤65 inches: must be in rear seat if airbag active
District of Columbia
16+ years in all seats
- Under 2 years: rear-facing unless ≥40 lbs or ≥40 inches
- 3 years and younger: child restraint
- 4-7 years: child restraint or booster seat
8-15 years
No preference
Florida
6+ years in front seat;
6-17 years in all seats
5 years and younger
Not permissible
No preference
Georgia
8-17 years in all seats;
18+ years in front seat
7 years and younger and ≤57 inches
More than 57 inches
7 years and younger: must be in rear seat if available
Hawaii
8+ years in all seats
- Under 2 years: rear-facing
- 2-3 years: forward or rear-facing
- 4-6 years: passenger restraint with harness or booster seat
- 7-9 years, <4'9"": passenger restraint with harness or booster seat
7-9 years if ≥4'9"
No preference
Idaho
7+ years in all seats
6 years and younger
Not permissible
No preference
Illinois
16+ years in all seats
- Under 2 years: rear-facing unless ≥40 lbs or ≥40 inches
- 7 years and younger: child safety seat
8-15 years; children ≥40 lbs in rear seat with lap belt only
No preference
Indiana
16+ years in all seats
7 years and younger
8-15 years
No preference
Iowa
18+ years in front seat
- Under 1 year and <20 lbs: rear-facing
- 1-5 years: child restraint or booster seat
6-17 years
No preference
Kansas
14+ years in all seats
- 3 years and younger: child restraint
- 4-7 years, <80 lbs, and <57 inches: child restraint or booster seat
8-13 years; 4-7 years if ≥80 lbs or ≥57 inches
No preference
Kentucky
7 years and younger, ≥57 inches in all seats;
8+ years in all seats
- 40 inches or less: child restraint
- 7 years and younger, 40-57 inches: booster seat
Taller than 57 inches
No preference
Louisiana
13+ years in all seats
- Under 2 years or until reaching manufacturer’s limits: rear-facing
- 2-3 years or until reaching manufacturer’s limits: forward-facing
- 4-8 years or until reaching manufacturer’s limits: booster
9-17 years; children outgrowing booster seat limits per manufacturer
12 years and younger: must be in rear seat if available
Maine
18+ years in all seats
- Under 2 years or until exceeding manufacturer’s limits: rear-facing
- 2 years and older, <55 lbs: child restraint with harness
- <80 lbs, <57 inches, and <8 years: booster
17 years and younger if ≥57 inches or ≥80 lbs
11 years and younger, <100 lbs: must be in rear seat if available
Maryland
16+ years in all seats
- Under 2 years: rear-facing until reaching manufacturer’s limits
- 7 years and younger, <57 inches: child safety seat
8-15 years; children ≥57 inches
No preference
Massachusetts
13+ years in all seats
7 years and younger, <57 inches: child safety seat
8-12 years; children ≥57 inches
No preference
Michigan
16+ years in front seat
- Under 2 years or until reaching manufacturer’s limits: rear-facing
- 2-4 years or until reaching manufacturer’s limits: forward-facing
- 5-7 years or until reaching 4'9"": booster (effective 09/25/24)
8-15 years; children ≥57 inches
12 years and younger: must be in rear seat if available (effective 09/25/24)
Minnesota
18+ years in all seats
- Under 2 years: rear-facing until reaching manufacturer’s limits
- 2+ years: forward-facing until reaching manufacturer’s limits
- 4-8 years: booster
9-17 years
12 years and younger: must be in rear seat if available
Mississippi
7+ years in all seats
- 3 years and younger: child restraint
- 4-6 years, <57 inches or <65 lbs: booster seat
6 years and younger if ≥65 lbs or ≥57 inches
No preference
Missouri
16+ years in front seat
- 3 years and younger or <40 lbs: child restraint
- 4-7 years, ≥40 lbs, and ≤4'9"": child restraint or booster
8-16 years; children ≥80 lbs or ≥4'9"
No preference
Montana
6+ years in all seats
5 years and younger, <60 lbs
Not permissible
No preference
Nebraska
18+ years in front seat
- Under 2 years or until outgrowing manufacturer’s limits: rear-facing
- 7 years and younger: child safety seat
8-17 years
7 years and younger: must be in rear seat if available
Nevada
6+ years in all seats
- Under 2 years: rear-facing
- 5 years and younger, <57 inches: child restraint
Not permissible
2 years and younger: must be in rear seat if available; front seat permissible only with physician certification and deactivated passenger airbag
New Hampshire
No law
- Under 2 years: rear-facing
- 6 years and younger, <57 inches: child restraint
7-17 years; children under 7 if ≥57 inches
No preference
New Jersey
7 years and younger, ≥57 inches;
8+ years in all seats
- Under 2 years, <30 lbs: rear-facing
- Under 4 years, <40 lbs: rear or forward-facing until outgrowing manufacturer’s limits
- Under 8 years, <57 inches: forward-facing until outgrowing manufacturer’s limits or booster seat
Not permissible
7 years and younger, <57 inches: must be in rear seat if available; no child in rear-facing seat in front with active airbag
New Mexico
18+ years in all seats
- Under 1 year: rear-facing
- 1-4 years or <40 lbs: child restraint
- 5-6 years or <60 lbs: booster seat
7-17 years
Children younger than 1 year in rear-facing restraint must be in rear seat if available
New York
16+ years in all seats
- Under 2 years or until outgrowing manufacturer’s limits: rear-facing
- Under 4 years, unless >40 lbs and no lap/shoulder belt: child restraint
- 4-7 years, unless no lap/shoulder belt: booster seat
8-15 years; children >40 lbs or 4-7 years in seating position with no lap/shoulder belt
No preference
North Carolina
16+ years in all seats
7 years and younger, <80 lbs: child safety seat
8-15 years; children 40-80 lbs in seats without shoulder belts
Children 4 years and younger, <40 lbs: must be in rear seat unless front airbag is deactivated or restraint is designed for airbags
North Dakota
18+ years in all seats
7 years and younger, <57 inches: child safety seat
8-17 years; 7 years and younger, if ≥57 inches
No preference
Ohio
8-14 years in all seats;
15+ years in front seat
- 3 years and younger or <40 lbs: child restraint
- 4-7 years, ≥40 lbs, <57 inches: booster seat
8-14 years
No preference
Oklahoma
9+ years in front seat
- Under 2 years or until outgrowing manufacturer’s limits: rear-facing
- Under 4 years: child restraint
- 4-7 years, if ≤4'9"": booster seat
8 years; children taller than 4'9"
No preference
Oregon
16+ years in all seats
- Under 2 years: rear-facing
- 7 years and younger, <40 lbs: child restraint; >40 lbs but ≤4'9"": booster seat
8-15 years; children taller than 4'9"
No preference
Pennsylvania
18+ years in front seat
- Under 2 years: rear-facing until outgrowing manufacturer’s limits
- 2-3 years: forward-facing
- 4-7 years: booster seat
8-17 years in all seats
No preference
Rhode Island
18+ years in all seats
- Under 2 years or <30 lbs: rear-facing
- 7 years and younger, <57 inches, <80 lbs: booster seat
7 years and younger, if ≥80 lbs or ≥57 inches; 8-17 years
7 years and younger: must be in rear seat if available
South Carolina
8+ years in all seats
- Under 2 years: rear-facing until outgrowing manufacturer’s limits
- 2+ years: forward-facing until outgrowing manufacturer’s limits
- 4+ years: booster seat
8 years or if ≥57 inches tall, and seatbelt fits properly
7 years and younger: must be in rear seat if available
South Dakota
18+ years in front seat
4 years and younger, <40 lbs: child safety seat
5-17 years; all children ≥40 lbs, regardless of age
No preference
Tennessee
16+ years in front seat
- Under 1 year or ≤20 lbs: rear-facing
- 1-3 years, >20 lbs: forward-facing
- 4-8 years, <4'9"": booster seat
9-15 years or any child 12 or younger if ≥4'9"
8 years and younger, <4'9": must be in rear seat if available; rear seat recommended for children 9-12 years
Texas
7 years and younger, ≥57 inches;
8+ years in all seats
7 years and younger, <57 inches: child safety seat
Not permissible
No preference
Utah
16+ years in all seats
7 years and younger, <57 inches: child safety seat
8-15 years; all children ≥57 inches
No preference
Vermont
18+ years in all seats
- Under 2 years: rear-facing
- 3-4 years: rear or forward-facing until outgrowing manufacturer’s limits
- 5-7 years: booster seat
8-17 years
12 years and younger: must ride in rear seat if practical
Virginia
18+ years in front seat
- Under 2 years: rear-facing until outgrowing manufacturer’s limits
- 7 years and younger: child safety seat
8-17 years
Children in rear-facing devices must be in rear seat if available; front seat allowed if airbag is deactivated
Washington
16+ years in all seats
- Under 2 years: rear-facing until outgrowing manufacturer’s limits
- 2-4 years: forward-facing until outgrowing manufacturer’s limits
- 4+ years, <4'9"": booster seat
All children taller than 4'9" and younger than 16
12 years and younger: must be in rear seat if practical
West Virginia
8+ years in front seat;
8-17 years in all seats
7 years and younger, <4'9": child safety seat
7 years and younger, if ≥4'9"
No preference
Wisconsin
8+ years in all seats
- Under 1 year and <20 lbs: rear-facing
- 1-3 years, ≥20 lbs but <40 lbs: rear or forward-facing
- 4-7 years, ≥40 lbs but <80 lbs, <57 inches: booster seat
8 years and younger, ≥80 lbs, or ≥57 inches
Children 3 years and younger: must be in rear seat if available
Wyoming
9+ years in all seats
8 years and younger: child safety seat
Not permissible
8 years and younger: must be in rear seat if available

General Car Seat Laws

The remaining 13 states take a different approach. These states do not specify a rear-facing car seat age, front-facing car seat age, or booster seat age. Instead, they simply identify the car seat age limit and leave it to the parents to determine the type of seat needed for their children.

For example, Texas only requires the driver to restrain children under seven years and 57 inches using a child restraint according to the manufacturer’s instructions. Thus, a parent will most likely be cited for violating the Texas child restraint law when they fail to use any car or booster seat for a child under seven years or 57 inches rather than their choice of seat.

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Frequently Asked Questions

  • Broadly, every state requires children under a certain age to ride in a car seat system approved for the child’s age, height and weight. Additionally, all states require children to use seat belts after car seat laws no longer cover them.

  • States have varying car seat requirements. Some states require children to use child safety seats until they reach a specified age ranging from six to eight years old. Other states provide exceptions for children who reach four feet, nine inches or weigh more than 60 to 65 pounds.

  • Children must move to booster seats when they outgrow car seat weight limits. Common questions about booster seat age requirements include:

    • Can a 3-year-old sit in a booster seat?
    • Can a 4-year-old sit in a booster seat?
    • Does my 8-year-old need a booster seat?

    The answers depend on your state.

  • The age, height and weight for booster seat use varies. Some states allow young children to use booster seats if they are too tall or heavy for car seats. Children over four feet nine inches may use a seat belt without a booster regardless of age in other states.

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