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
Office of the Prime Minister (Norway) Office of the Prime Minister (Norway) The Norwegian Office of the Prime Minister () is a political and bureaucratic office that assists the Cabinet of Norway and the Prime Minister of Norway in the leadership of the Cabinet and Government. It has since 2013 been led by Prime Minister Erna Solberg (Conservative Party). Minister and Chief of Staff is Julie Brodtkorb. The office has about 60 employees. Since the establishment of the first Norwegian government, in 1814, the Prime Minister has had secretaries to help him with tasks, though these were not collectively assigned to his office until 1945. The