Seat belts and child seats in Ontario (2026)

Last reviewed: 9 October 2026

In short: Seat belts must be worn where provided, and a driver may not carry a passenger under 16 unless that passenger is belted or in a required child restraint. Passengers under 8 are classed by weight and height for rear-facing, child and booster seats, with a booster seat from 18 kg to under 36 kg while under 145 cm. The fine is CAD 200 to CAD 1,000, and a driver without a belt also gets 2 demerit points.

RuleWhat applies
Seat belt compulsory in front seatsPassenger carsYes [1]
Seat belt compulsory in rear seatsPassenger carsYes [1]
Child restraint required untilPassenger carsPassengers under 8 are classed by weight: under 9 kg rear-facing infant seat; 9 kg to under 18 kg child restraint system; 18 kg to under 36 kg and under 145 cm tall booster seat (or child restraint system). [2]
Children in the front seatPassenger carsA child who weighs 18 kg to under 36 kg and is under 145 cm tall may not be secured in a seating position with a front air bag that has not been turned off or cannot be turned off. [2]
Rear-facing child seat in front with active airbagPassenger cars⚠ Not yet verified
Booster seat untilPassenger carsA child under 8 who weighs 18 kg to under 36 kg and is under 145 cm tall must use a booster seat with the full seat belt, or a suitable child seat. [2]
Fine for not wearing a seat beltPassenger carsA fine of CAD 200 to CAD 1,000. A driver convicted of not wearing a seat belt also gets 2 demerit points. [1]

Sources

  1. Government of Ontario: Highway Traffic Act, R.S.O. 1990, c. H.8, section 106 (e-Laws) (consulted 9 October 2026) · all sources
  2. Government of Ontario: Regulation 613, Seat Belt Assemblies, R.R.O. 1990 (e-Laws) (consulted 9 October 2026) · all sources

Ontario and neighbouring provinces and territories

Province or territorySeat belt compulsory in front seatsSeat belt compulsory in rear seatsChild restraint required untilChildren in the front seatRear-facing child seat in front with active airbag
Ontario
Yes
Yes
Under 8: seat by weight; booster 18-36 kg, under 145 cm
Not with a front air bag that is on or cannot be turned off
⚠ Not yet verified
Manitoba
Yes
Yes
Under 9, 36 kg and 145 cm (all three)
⚠ Not yet verified
⚠ Not yet verified
Quebec
Yes
Yes
Under 9 or under 145 cm
⚠ Not yet verified
⚠ Not yet verified

More rules in Ontario

Compare with the other states and provinces →

General information, not legal advice. Rules change: check the official source before you fly or ride.