Footnotes
- ^A Mackenzie King's incumbency was in three blocks: 70004000000000000004 years, 7002181000000000000181 days; 70003000000000000003 years, 7002315000000000000315 days; and 700113000000000000013 years, 700123000000000000023 days.
- ^B Sir John A. Macdonald was also Premier of the Province of Canada for 250 days, giving him a total of 19 years, 244 days.
- ^C Macdonald's incumbency was in two blocks: 70006000000000000006 years, 7002127000000000000127 days and 700112000000000000012 years, 7002232000000000000232 days.
- ^D The prime ministry was vacant for ten days each in 1891 and 1894.
- ^E Trudeau's incumbency was in two blocks: 700111000000000000011 years, 700145000000000000045 days and 70004000000000000004 years, 7002119000000000000119 days.
- ^F Meighen's incumbency was in two blocks: 70001000000000000001 year, 7002172000000000000172 days and 88 days.
Read more about this topic: List Of Prime Ministers Of Canada By Time In Office