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 Malaysia Prime Minister of Malaysia The Prime Minister of Malaysia () is the head of government and the highest political office in Malaysia. The Yang di-Pertuan Agong appoints Prime Minister as a Member of Parliament (MP) who, in his opinion, is most likely to command the confidence of a majority of MPs. The Prime Minister chairs the Cabinet of Malaysia, the de facto executive branch of government. On 18 October 2018, 7th Prime Minister, Mahathir Mohamad, announced a two-term limit (10 years Max) to all Cabinet Profolio. After the formation of Malaysia on 16 September 1963, Tunku Abdul Rahman, the Chief