Prime Minister of Aurisia

The Prime Minister of Aurisia is the head of government of the Commonwealth of Aurisia. Formally appointed by the Governor-General under the Westhaughton system, the Prime Minister heads the executive branch of the Aurisian federal government, with the majority confidence in the House of Representatives. As such, the Prime Minister typically sits as a member of Parliament (MP) and leads the largest party or coalition. Prime ministers do not have a set duration or number of terms, but an individual's term generally ends when their political party loses a federal election, or they lose or relinquish the leadership of their party.

Melinda Thayer of the Labor Party is the ??th and current Prime Minister. She took office on May 20, 2019.

Executive power is formally vested in the monarch and exercised by the Governor-General on advice from government ministers, who are nominated by the Prime Minister and form the Federal Executive Council. The most senior ministers form the federal cabinet itself, which the Prime Minister chairs. Administrative support is provided by the Department of the Prime Minister and Cabinet. The prime minister has two official residences: The Lodge in Koloberra and Kirirenga House in Keatney, as well as an office at Parliament House.

??? people have served as Prime Minister, the first of whom was ??? taking office on January 1, 1905, following Federation. The longest-serving Prime Minister was Robert Menzies, who served over 18 years, and the shortest-serving was ???, who served one week. There is no legislated line of succession, however convention determines that the Governor-General shall commission the Deputy Prime Minister on a caretaker basis in the event of a vacancy.