1. | Sir John A. Macdonald |
July 1, 1867 - November 5, 1873 |
2. | Alexander Mackenzie |
November 7, 1873 - October 8, 1878 |
| Sir John A. Macdonald (2nd time) |
October 17, 1878 - June 6, 1891 |
3. | Sir John Abbott |
June 16, 1891 - November 24, 1892 |
4. | Sir John Thompson |
December 5, 1892 - December 12, 1894 |
5. | Sir Mackenzie Bowell |
December 21, 1894 - April 27, 1896 |
6. | Sir Charles Tupper |
May 1, 1896 - July 8, 1896 |
7. | Sir Wilfrid Laurier |
July 11, 1896 - October 7, 1911 |
8. | Sir Robert Laird Borden |
October 10, 1911 - July 10, 1920 |
9. | Arthur Meighen |
July 10, 1920 - December 29, 1921 |
10. | William Lyon Mackenzie King |
December 29, 1921 - June 28, 1926 |
| Arthur Meighen (2nd time) |
June 29, 1926 - September 25, 1926 |
| William Lyon Mackenzie King (2nd time) |
September 25, 1926 - August 7, 1930 |
11. | Richard Bedford Bennett |
August 7, 1930 - October 23, 1935 |
| William Lyon Mackenzie King(3rd time) |
October 23, 1935 - November 15, 1948 |
12. | Louis Saint Laurent |
November 15, 1948 - June 21, 1957 |
13. | John Diefenbaker |
June 21, 1957 - April 22, 1963 |
14. | Lester B. Pearson |
April 22, 1963 - April 20, 1968 |
15. | Pierre Elliott Trudeau |
April 20, 1968 - June 3, 1979 |
16. | Joe Clark |
June 4, 1979 - March 2, 1980 |
| Pierre Elliott Trudeau (2nd time) |
March 3, 1980 - June 30, 1984 |
17. | John Napier Turner |
June 30, 1984 - September 17, 1984 |
18. | Brian Mulroney |
September 17, 1984 - June 25, 1993 |
19. | Kim Campbell |
June 25, 1993 - November 4, 1993 |
20. | Jean Chrétien |
November 4, 1993 - present |