Our FDR, former PM Mackenzie King, holds the longevity record at 22.5 years in office. Close behind is Original PM Sir Bob Walpole at 21 years. With a POD of 1948, have that record broken in a democratic First World country.
Canadian record holders:
1: Mackenzie King- 1921-30, 1935-48
2. Sir John A. Macdonald: 1867-73, 1878-91
3: Maurice Duplessis- 1936-39, 1944-59
4: Pierre Trudeau- 1968-84
5: Sir Wilfrid Laurier- 1896-1911
Canadian record holders:
1: Mackenzie King- 1921-30, 1935-48
2. Sir John A. Macdonald: 1867-73, 1878-91
3: Maurice Duplessis- 1936-39, 1944-59
4: Pierre Trudeau- 1968-84
5: Sir Wilfrid Laurier- 1896-1911