The rear center seat is the safest spot for a car seat. Children placed there have a 43% lower risk of injury compared to those in the window (outboard) positions, based on a large field study of children with significant crash injuries. The center position puts the most distance between your child and the two most common impact points: the sides of the vehicle.
Why the Center Seat Offers More Protection
Side-impact collisions are one of the most dangerous crash types for children. When a car seat is in an outboard position (behind the driver or passenger), only a door panel, a window, and possibly a side airbag separate your child from the point of impact. The center seat eliminates that proximity entirely. Your child is cushioned by the vehicle’s full structure on both sides, with no direct contact point during a side collision.
Front-impact crashes also favor the center position. In a head-on collision, the driver’s and passenger’s seats absorb and redirect energy, and debris or intruding structures tend to concentrate around the front corners of the vehicle. The center keeps a child away from both of those zones. Rear-end crashes follow a similar logic: the energy disperses through the vehicle’s frame, and the center seat avoids the crumple zones near the corners.
When the Center Seat Isn’t an Option
The center rear seat is only the safest choice if the car seat fits securely there. Many vehicles don’t have dedicated lower anchors (LATCH anchors) in the center position. A NHTSA survey of 2010-2011 model year vehicles found that none of the vehicles with a center rear seating position offered two dedicated lower anchors there. Some vehicles allow you to “borrow” an anchor from an adjacent outboard position to create a center attachment point, but most manufacturers don’t officially support this setup. If two car seats share a single anchor, the combined force in a crash could overload that anchor and cause it to fail.
Check your vehicle’s owner’s manual to see whether the center seat is approved for car seat installation. If it isn’t, or if the car seat wobbles or doesn’t sit level in the center, an outboard position with a proper installation is safer than a poorly secured center installation. You can always use a seat belt installation instead of LATCH in the center, as long as the belt locks firmly and the seat doesn’t move more than an inch side to side at the belt path.
Keep Children in the Back Seat Through Age 12
Regardless of whether you use the center or an outboard position, the back seat is where children belong. NHTSA recommends keeping all children in the back seat at least through age 12. The front seat poses serious risks because of airbags. A front passenger airbag deploys with enough force to cause skull fractures, brain injuries, and death in small children. CDC data documents cases where infants in rear-facing seats were killed by the air bag striking the back of the car seat directly at the child’s head.
Even forward-facing car seats, which place a child a few inches farther from the dashboard, don’t provide enough distance to be safe in the front. The force of an inflating airbag can propel a child’s body against the vehicle’s interior structures. There is no age or size at which a child in a car seat is safe in the front passenger seat with an active airbag.
Side Airbags and Outboard Positions
If your child rides in an outboard seat, side curtain airbags are a consideration. These airbags deploy from the roof area above the window and can protect passengers in a side crash, but they pose a risk if a child’s head is too close to the deployment zone. Children’s Hospital of Philadelphia advises that side airbags can cause serious injury if a child is leaning against the door when one goes off.
This doesn’t mean outboard seats are dangerous. It means proper positioning matters. Make sure the car seat is installed tightly so it doesn’t shift toward the door, and teach older children who’ve graduated to booster seats to sit upright and avoid leaning against the door panel. Some vehicle manufacturers provide specific guidance about whether their side airbags are safe alongside child restraints, so it’s worth checking your manual.
Third-Row Seats in SUVs and Minivans
If you drive a minivan or three-row SUV, you might wonder whether the third row is a good option. The second row is generally the better choice. Third-row seats sit closer to the rear of the vehicle, which means they’re in the crumple zone during a rear-end collision. IIHS research has focused crash testing on second-row occupant protection, and the organization notes that even in newer vehicles, rear-seat safety varies significantly. The second row gives your child the best combination of distance from both front and rear impact zones.
The Right Position by Age
NHTSA’s current guidelines follow a progression based on your child’s size, not just age. Children under 1 should always be in a rear-facing car seat. From ages 1 to 3, keep them rear-facing until they hit the height or weight limit on their specific seat. Children ages 4 to 7 typically move to a forward-facing seat with a harness and top tether. From 8 to 12, a booster seat bridges the gap until the vehicle’s seat belt fits properly on its own: the lap belt sitting snugly across the upper thighs (not the stomach) and the shoulder belt crossing the chest without cutting across the neck or face.
At every stage, the rear center seat remains the ideal position. If you’re installing multiple car seats for siblings, put the youngest or smallest child in the center, since they’re the most vulnerable to injury forces. Place older children in the outboard positions where they can benefit from the vehicle’s side-impact protection systems while being large enough to tolerate them safely.