Prime Minister of Australia Prime Minister of Australia The Prime Minister of Australia is the head of government of Australia. The individual who holds the office is the most senior Minister of State, the leader of the Cabinet. The Prime Minister also has the responsibility of administering the Department of the Prime Minister and Cabinet, and is the chair of the National Security Committee and the Council of Australian Governments. The office of Prime Minister is not mentioned in the Constitution of Australia but exists through Westminster political convention. The individual who holds the office is commissioned by the Governor-General of Australia and at
Prime Minister of Brazil holders of the office were informally addressed and referred to as "Premier" or "Prime Minister". Often, the expression "President of the Council", a simplified version of the official title, was also used. Prime Minister of Brazil Historically, the political post of Prime Minister, officially called President of the Council of Ministers, existed in Brazil in two different periods: from 1847 to 1889 (during the Empire) and from 1961 to 1963 (under the Second Republic). The parliamentary system was first introduced in the country in 1847 by Emperor Pedro II and maintained until the abolition of the monarchy in 1889. The