Brian Mulroney in office). By this time, his approval ratings had dipped into the teens, and were at 11% in a 1992 Gallup poll, making him one of the most unpopular prime ministers since opinion polling began in Canada in the 1940s. There was a consensus that Mulroney would be heavily defeated by Jean Chrétien and the Liberals if he led the Tories into the next election—ironically, the same situation that led to Trudeau's departure from the scene nine years earlier. He announced his retirement from politics in February and was replaced as Prime Minister by Defence Minister Kim Campbell in June.
Deputy Prime Minister of Australia leader of the Country Party (subsequently the National Party). That continues to be case when the Coalition is in government. In the case of Labor governments, the party's deputy leader was and continues to be the Deputy Prime Minister. On 19 December 1967, John McEwen, the long-serving leader of the Country Party in the Coalition government, was sworn in as interim Prime Minister following the sudden death in office of Prime Minister Harold Holt. (There was discussion that deputy Liberal leader and Treasurer William McMahon should assume the office. McMahon had planned a party room meeting on 20 December to