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Quebec sovereigntist party that runs candidates only in Quebec. Founded in 1991 by former Progressive Conservative cabinet minister Lucien Bouchard. Currently led by Yves-François Blanchet.
Right-of-centre party formed in 2003 from the merger of the Canadian Alliance and Progressive Conservatives. Current Official Opposition, led by Pierre Poilievre.
Environmentalist party founded in 1983. Currently co-led by Elizabeth May and Jonathan Pedneault. Held two seats after the 2025 election.
Canada's oldest federal political party, currently led by Mark Carney. Centrist by orientation. Has formed government for more total years than any other party in Canadian history.
Social-democratic party formed in 1961. Lost official party status in the 2025 election when its caucus fell below the 12-seat minimum. Don Davies (Vancouver Kingsway) serves as interim leader.