List of Prime Ministers of Canada by longevity

This is a list of Canadian Prime Ministers by longevity. Where the person in question is still living, the longevity is calculated up to .

Two measures of the longevity are given - this is to allow for the differing number of leap days occurring within the life of each Prime Minister. The first column is the number of days between date of birth and date of death, allowing for leap days; the second column breaks this number down into years and days, with the years being the number of whole years the Prime Minister lived, and the days being the remaining number of days after his/her last birthday.

Overview

If a Prime Minister served more than one non-consecutive term, the dates listed below are for the beginning of their first term, and the end of their final term.

The median age at which a Prime Minister first takes office is roughly 54 years and 10 months, which falls between Wilfrid Laurier and John Turner. The youngest person to become Prime Minister was Joe Clark, who took office one day before his 40th birthday. The oldest person to become Prime Minister was Charles Tupper at the age of 74 years, 304 days. The oldest person ever to serve as Prime Minister was John A. Macdonald, who was still in office when he died at the age of 76 years, 146 days.

The oldest living Prime Minister is John Turner, born June 7, 1929 (aged ). The second-oldest living Prime Minister is Jean Chrétien, born January 11, 1934 (aged ). The youngest living Prime Minister is the incumbent, Stephen......
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