Historical rankings of Prime Ministers of Australia teaching or researching in the fields of Australian politics or history" to place Australia's prime ministers in five categories; 40 responded. Five points were awarded to prime ministers judged "outstanding", four for those considered "good", three for "average", two for "below average", and one for "failure". The three caretaker prime ministers were excluded from consideration, as was the serving prime minister, Julia Gillard. John Curtin received the highest average rating, 4.78, and he was the only prime minister who no respondents gave a rating lower than "good". It is possible to compare the highest approval ratings achieved by Prime Ministers
Prime Minister of Canada Prime Minister of Canada The Prime Minister of Canada () is the primary minister of the Crown, chairman of the Cabinet, and Canada's head of government. The current, and 23rd, Prime Minister of Canada is the Liberal Party's Justin Trudeau, following the 2015 Canadian federal election. Canadian prime ministers are styled as "The Right Honourable" (), a privilege maintained for life. The Prime Minister of Canada is in charge of the Prime Minister's Office. The Prime Minister also chooses the ministers that make up the Cabinet. The two groups, with the authority of the Parliament of Canada, manage the Government