<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> The Prime Minister of Canada (French: Premier ministre du Canada) is the primary minister of the Crown, chairman of the Cabinet, and thus head of the Government of Canada, charged with advising the Canadian monarch or federal viceroy on the exercise of the executive powers vested in them by the constitution . Not outlined in any constitutional document, the office exists only as per long - established convention (originating in Canada's former colonial power, the United Kingdom) that stipulates the monarch's representative, the governor general, must select as prime minister the person most likely to command the confidence of the elected House of Commons; this individual is typically the leader of the political party that holds the largest number of seats in that chamber . Canadian prime ministers are styled as The Right Honourable (French: Le Très Honorable), a privilege maintained for life . </P> <P> The current, and 23rd, Prime Minister of Canada is the Liberal Party's Justin Trudeau, who was appointed on November 4, 2015, by Governor General David Johnston, following the general election that took place that year . </P>

Does canada have a prime minister or a president