Canada's electoral system, sometimes referred to as a "first-past-the-post" system, is more accurately referred to as a single-member plurality system. The candidate with the most votes in a riding wins a seat in the House of Commons and represents that riding as its member of Parliament (MP).
What is electoral system in simple words?
An electoral system or voting system is a set of rules that determine how elections and referendums are conducted and how their results are determined.
How does Canada elect a prime minister?
Using the plurality voting system, Canadians vote for their local Member of Parliament (MP), who represents one specific constituency in the House of Commons. The leader of the party most likely to hold the confidence of the House of Commons becomes the prime minister.