Booster Seats

For children under nine years of age, who weigh 18 - 36 kg (40 - 80 lbs) or are less than 145 cm (4'9") tall.

Children who are between 18 kg (40 lbs) and 36 kg (80 lbs), under 145 cm (4’9″) or under nine years of age are safest in a booster seat. Without a booster seat, an adult seat belt rides too high on the belly and neck and can cause serious internal injuries in the event of a crash.

A child is 3.5 times more likely to suffer a head injury in a crash when just using an adult seat belt than when using a booster seat.

Booster seats are easily installed and generally low cost.

The manufacturer’s instructions and labels on each booster seat state the specific weight, size and/or age of child that the seat will protect. Some booster seats have maximum weight limits of 45 kg (100 lbs). Follow the manufacturer’s instructions for your booster seat.

Choosing a booster seat.

A booster seat can only be used with a lap-shoulder seat belt. To find the best booster seat for your child, decide where in the back seat your child will sit, and if the vehicle seat has a head rest (head restraint).

If the vehicle does not have a head rest, choose either:

  • A high back booster, or
  • An adjustable booster

If the vehicle has a head rest, choose either:

  • A high back booster,
  • An adjustable booster, or
  • A backless booster

Read the Booster Seat YES Test (pdf) to learn more.

If you need help, call a nurse at:
Alberta Health Link 811