Below is a list of the premiers of the province of Ontario, Canada, since Confederation in 1867. Ontario uses a unicameral Westminster-style parliamentary government, in which the premier is the leader of the party that controls the most seats in the Legislative Assembly. The premier is Ontario's head of government. The premier picks a cabinet from the elected members to form the Executive Council of Ontario, and presides over that body.
Members are first elected to the legislature during general elections. General elections must be conducted every four years from the date of the last election. An election may also happen if the Governing party loses the confidence of the legislature, by the defeat of a supply bill or tabling of a confidence motion.
This article only covers the time since the Canadian Confederation was created in 1867. For the premiers of Canada West from 1840 to 1867, see List of joint premiers of the Province of Canada.
The 26th and current premier of Ontario is Doug Ford of the Progressive Conservative Party of Ontario since June 29, 2018.
Premiers of Ontario since 1867
List of premiers by time in office
Rank Premier Length of tenure Dates in office Mandates Party11872–18966 Liberal21971–19854 Progressive Conservative31949–19613 Progressive Conservative41905–1914died in office4 Conservative51961–19712 Progressive Conservative62003–20133 Liberal71934–19422 Liberal8 (incumbent)2018–present3 Progressive Conservative91923–19303 Conservative101995–20022 Progressive Conservative112013–20181 Liberal121899–19051 Liberal131985–19901 Liberal141943–19483 Progressive Conservative151914–19190 Conservative161990–19951 New Democratic171867–18711 Conservative181919–19231 United Farmers191930–19340 Conservative201896–18991 Liberal212002–20030 Progressive Conservative221871–18721 Liberal231942–19430 Liberal241948–19490 Progressive Conservative2519851 Progressive Conservative2619430 Liberal
See also Politics of Ontario List of leaders of the opposition in Ontario For more lists of this type, see Lists of incumbents.
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fr:Liste des Premiers ministres de l'Ontario