Official Opposition (Canada)
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The Official Opposition, also known as His Majesty's Loyal Opposition, is the largest party of the parliamentary opposition, which is composed of members of Parliament who are not in government. Typic
Former and current leaders of the Opposition Pierre Poilievre (2022–2025; 2025–present) and Andrew Scheer (2017–2020; 2025) on Parliament Hill, February 28, 2018
New Democratic Party
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The New Democratic Party is a federal political party in Canada. Widely described as social democratic and democratic socialist, the party sits at the centre-left to left-wing of the Canadian politica
Tommy Douglas, leader of the NDP from 1961 to 1971
Ed Broadbent, leader of the NDP from 1975 to 1989
Jack Layton was the first leader of the NDP to become Leader of the Official Opposition.
Tom Mulcair