The electoral system in Canada is based on a voting system called “first past the post”. In practice, this voting system allows electors to vote a single time for a single person in their riding. The person who wins the election is the one who obtains the most votes, even if he or she wins by a single vote. It happens with this system that people win the election with as little as 30% support in their riding.
All you have to do is obtain one more vote than your opponent to win the seat and represent the riding. The party that obtains the most seats forms the government.