Charles III Charles III (Charles Philip Arthur George; born 14 November 1948) is King of the United Kingdom and the 14 other Commonwealth realms. He was the longest-serving heir apparent and Prince of Wales and, at age 73, became the oldest person to ...

head of state A head of state (or chief of state) is the public persona who officially embodies a state Foakes, pp. 110–11 " he head of statebeing an embodiment of the State itself or representatitve of its international persona." in its unity and l ...

of 15

Commonwealth realm A Commonwealth realm is a sovereign state in the Commonwealth of Nations whose monarch and head of state is shared among the other realms. Each realm functions as an independent state, equal with the other realms and nations of the Commonwealt ...

s and has had 17 prime ministers throughout his reign. Within the Westminster system in each realm, the King's government is headed by a

prime minister A prime minister, premier or chief of cabinet is the head of the cabinet and the leader of the ministers in the executive branch of government, often in a parliamentary or semi-presidential system. Under those systems, a prime minister is not ...

. Appointment and dismissal of prime ministers are common

reserve power In a parliamentary or semi-presidential system of government, a reserve power, also known as discretionary power, is a power that may be exercised by the head of state without the approval of another branch or part of the government. Unlike in a ...

s that can be exercised by the King or his

governors-general Governor-general (plural ''governors-general''), or governor general (plural ''governors general''), is the title of an office-holder. In the context of governors-general and former British colonies, governors-general are appointed as viceroy t ...

. To date, Charles has appointed two new prime ministers;

Rishi Sunak Rishi Sunak (; born 12 May 1980) is a British politician who has served as Prime Minister of the United Kingdom and Leader of the Conservative Party (UK), Leader of the Conservative Party since October 2022. He previously held two Cabinet of ...

Prime Minister of the United Kingdom The prime minister of the United Kingdom is the head of government of the United Kingdom. The prime minister advises the sovereign on the exercise of much of the royal prerogative, chairs the Cabinet and selects its ministers. As modern pr ...

on 25 October 2022 and

Chris Hipkins Christopher John Hipkins (born 5 September 1978) is a New Zealand Labour Party politician and a member of the Sixth Labour Government's Cabinet as Minister of Education, Minister of Police, Minister for the Public Service and Leader of the ...

Prime Minister of New Zealand The prime minister of New Zealand ( mi, Te pirimia o Aotearoa) is the head of government of New Zealand. The prime minister, Jacinda Ardern, leader of the New Zealand Labour Party, took office on 26 October 2017. The prime minister (inform ...

on 25 January 2023.

List of prime ministers

Antigua and Barbuda

Australia

The Bahamas

Belize

Canada

Grenada

Jamaica

New Zealand

Jacinda Ardern Jacinda Kate Laurell Ardern ( ; born 26 July 1980) is a New Zealand politician who has been serving as the 40th prime minister of New Zealand and leader of the Labour Party since 2017. A member of the Labour Party, she has been the member of ...

was the incumbent

when Charles became

king King is the title given to a male monarch in a variety of contexts. The female equivalent is queen, which title is also given to the consort of a king. *In the context of prehistory, antiquity and contemporary indigenous peoples, the tit ...

Papua New Guinea

Saint Kitts and Nevis

Saint Lucia

Saint Vincent and the Grenadines

Solomon Islands

Tuvalu

United Kingdom

Liz Truss Mary Elizabeth Truss (born 26 July 1975) is a British politician who briefly served as Prime Minister of the United Kingdom and Leader of the Conservative Party from September to October 2022. On her fiftieth day in office, she stepped down ...