Prime Minister of Australia prime minister, otherwise William McMahon63. Robert Menzies was the oldest person to ever be prime minister, leaving office at 71 years old. The longest-serving Prime Minister was Sir Robert Menzies, who served in office twice: from 26 April 1939 to 28 August 1941, and again from 19 December 1949 to 26 January 1966. In total Robert Menzies spent 18 years, 5 months and 12 days in office. He served under the United Australia Party and the Liberal Party respectively. The shortest-serving Prime Minister was Frank Forde, who was appointed to the position on 6 July 1945 after the death of
Prime Minister of Japan may be withheld due to misconduct or refusal on the part of the Prime Minister (for example, Kiichi Miyazawa). As of 2019, eleven former Prime Ministers of Japan are alive. The most recent death of a former Prime Minister of Japan is that of Tsutomu Hata (1994) on August 28, 2017. Shinzō Abe, who served as Prime Minister from 2006 to 2007, is currently serving and thus is not included on this list. Prime Minister of Japan The is the head of government and chief executive of Japan. The Prime Minister is appointed by the Emperor of Japan after being