There is no certain age. You have to reach a certain height and weight so if you are under height and weight then you are more likely to have severe injuries from an airbag. Usually the weight is around 100 lbs and the height is around 5 feet.
1.35cm to be in the front
10
12
from the age 12 up
Your child must be at least 60lbs to not be in a car seat and 70 pounds to be in the front seat. under age 7,must be in car seat
"There is no age restriction for sitting in the front seat in BC traffic law."
12
12
13
10
5
7 months