List of Prime Ministers of Canada by age

This is a list of Prime Ministers of Canada since Confederation in 1867, arranged in descending order of their age upon first taking office.

Rank	Prime Minister	Date of Birth	First mandate begins	Age (years/days)
1	Charles Tupper	July 2, 1821	May 1, 1896	74y 304d
2	Mackenzie Bowell	December 27, 1823	December 21, 1894	70y 359d
3	John Abbott	March 12, 1821	June 16, 1891	70y 96d
4	Louis St. Laurent	February 1, 1882	November 15, 1948	66y 288d
5	Lester B. Pearson	April 23, 1897	April 22, 1963	65y 364d
6	Paul Martin	August 28, 1938	December 12, 2003	65y 106d
7	John Diefenbaker	September 18, 1895	June 21, 1957	61y 276d
8	Richard Bennett	July 3, 1870	August 7, 1930	60y 35d
9	Jean Chrétien	January 11, 1934	November 4, 1993	59y 297d
10	Robert Borden	June 26, 1854	October 10, 1911	57y 106d
11	John Turner	June 7, 1929	June 30, 1984	55y 23d
12	Wilfrid Laurier	November 20, 1841	July 11, 1896	54y 234d
13	John A. Macdonald	January 11, 1815	July 1, 1867*	52y 171d
14	Alexander Mackenzie	January 28, 1822	November 7, 1873	51y 283d
15	Pierre Trudeau	October 18, 1919	April 20, 1968	48y 185d
16	John Sparrow Thompson	November 10, 1845	December 5, 1892	47y 25d
17	William Lyon Mackenzie King	December 17, 1874	December 29, 1921	47y 12d
18	Stephen Harper	April 30, 1959	February 6, 2006	46y 282d
19	Kim Campbell	March 10, 1947	June 25, 1993	46y 107d
20	Arthur Meighen	June 16, 1874	July 10, 1920	46y 24d
21	Brian Mulroney	March 20, 1939	September 17, 1984	45y 181d
22	Joe Clark	June 5, 1939	June 4, 1979	39y 364d

* Date of Confederation. John A. Macdonald began his first mandate as Joint Premier of the pre-confederation Province of Canada on May 24, 1856, when he was 41y 144d old, which would make him the second-youngest on the list. Charles Tupper was Premier of Nova Scotia at the time of Confederation having been in that office since 1864 when he was 45.

Source

• Canada. Library of Parliament. "Age when Sworn to Office". Retrieved May 14, 2006.

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