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 Mauritius General Elections was regulated to 5 years. Since then, each 5 years elections take place and a new Prime Minister is elected. After the 1995 General Election, Dr. Navin Ramgoolam became Prime Minister of Mauritius for the first time. However, he lost the 2000 General Election. In 2000, the Prime Minister's office was shared between two leaders, Sir Anerood Jugnauth spent 3 years as Prime Minister and Paul Bérenger spent 2 years. After the 2005 General Election, Dr. Navin Ramgoolam became the Prime Minister of Mauritius again. In 2010 General Election, he was re-elected and remained in office. The 2014