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Her Majesty's Government of South Australia
State Government
Logo of the South Australian Government and its agencies Coat of arms of the State of South Australia
Founding document Constitution of South Australia
State  South Australia
Country  Australia
Head of state (sovereign) Monarch (Queen)
Vice-regal representative Governor
Seat Government House
Legislative branch
Legislature Parliament of South Australia
  • Legislative Council
  • House of Assembly
Meeting place Parliament House
Executive branch
Head of government Premier
Main body Cabinet of South Australia
Appointer Governor on behalf of the Queen of Australia in right of the State of South Australia.
Headquarters State Administration Centre
200 Victoria Square
Main organ Executive Council of South Australia
Departments 15 departments
Judicial branch
Court Supreme Court
Seat Supreme Court building, Adelaide

The Government of South Australia, also referred to as the South Australian Government, SA Government or more formally, Her Majesty’s Government, is the Australian state democratic administrative authority of South Australia. It is modelled on the Westminster system of government, which is governed by an elected parliament.


Until 1857, the Province of South Australia was ruled by a Governor responsible to the British Crown. The Government of South Australia was formed in 1857, as prescribed in its Constitution created by the Constitution Act 1856 (an act of parliament of the then United Kingdom of Great Britain and Ireland under Queen Victoria), which created South Australia as a self-governing colony rather than being a province governed from Britain.

Since the federation of Australia in 1901, South Australia has been a state of the Commonwealth of Australia, which is a constitutional monarchy, and the Constitution of Australia regulates the state of South Australia's relationship with the Commonwealth. Under the Australian Constitution, South Australia ceded legislative and judicial supremacy to the Commonwealth, but retained powers in all matters not in conflict with the Commonwealth.

In 1934, the 1856 Act was repealed, along with a few other acts which had amended it, and replaced by the Constitution Act 1934, which is still in force, with amendments.

Legislative powers

Legislative power rests with the Parliament of South Australia, which consists of the House of Assembly and the Legislative Council, with general elections held every four years. At these fixed four-yearly elections the whole Assembly is up for re-election, as is half of the Council is; the only exception is after a double dissolution held in accordance with Section 41 of the state Constitution, after which the whole Assembly and Council are up for re-election. Unlike the federal double dissolution procedure, the SA double dissolution procedure can only be used if the same bill, or much the same bill, has been twice rejected by the Council, after being introduced by the Assembly, with the two rejections separated by a general election.

Executive and judicial powers

South Australia is governed according to the principles of the Westminster system, a form of parliamentary government based on the model of the United Kingdom.

Executive power rests formally with the Executive Council, which consists of the governor and senior ministers. In practice, executive power is exercised by the premier of South Australia and the Cabinet of South Australia, who advise the Governor. The Cabinet comprises 15 ministers, headed by the Premier, who are either members of the House of Assembly or the Legislative Council. Cabinet is responsible for determining policies which are submitted to Parliament.

Judicial power is exercised by the Supreme Court of South Australia and a system of subordinate courts, but the High Court of Australia and other federal courts have overriding jurisdiction on matters which fall under the ambit of the Australian Constitution.

Current ministry

As of 21 March 2022, the ministry of the South Australian Government comprised the following Labor Party members:

Minister Portfolio Party affiliation Shadow Minister Portfolio Party affiliation
Peter Malinauskas MP Peter Malinauskas (cropped).png Labor
  • Leader of the Opposition
Susan Close MP Susan Close MP during 2018 election campaign.jpg Labor
  • Deputy Leader of the Opposition
Stephen Mullighan MP Stephen Mullighan.jpg
  • Treasurer
  • Shadow Treasurer

Government agencies

The South Australian Government delivers services, determines policy and regulations, including legal interpretation, by a number of agencies grouped under areas of portfolio responsibility. Each portfolio is led by a government minister who is a member of the Parliament. As of March 2020 there were 28 government departments and agencies listed on, being:

  • Attorney-General's Department (includes Forensic Science SA)
  • Auditor-General's Department
  • Department for Child Protection (formerly Families SA, Family and Youth Services, Family and Community Services)
  • Department for Correctional Services
  • Country Fire Service (CFS)
  • Courts Administration Authority (CAA)
  • Defence SA
  • Department for Education
  • Electoral Commission of South Australia
  • Department for Environment and Water
    • Environment Protection Authority (EPA) - "independent statutory authority within the Environment and Water Portfolio"
  • Department for Energy and Mining
  • Green Industries SA
  • Department for Health and Wellbeing
  • SA Housing Authority
  • Department of Human Services
  • Department for Innovation and Skills
  • South Australian Metropolitan Fire Service (MFS)
  • Department for Infrastructure and Transport
  • Department of the Premier and Cabinet
  • Primary Industries and Regions SA (PIRSA), formerly Department of PIRSA
  • Department for Trade and Investment
  • Department of Treasury and Finance
  • South Australia Police
  • State Emergency Service
  • South Australian Tourism Commission

A range of other agencies support the functions of these departments.

  • The Legal Services Commission is a statutory authority, independent of government, "funded by both the South Australian and the Commonwealth Governments to provide legal assistance to South Australians".


  • As of 2017 SA Health is "the brand name for the health portfolio of services and agencies responsible to our Minister, the Minister for Health and Wellbeing", including:
    • Department for Health and Wellbeing
    • SA Ambulance Service
    • Commission on Excellence and Innovation in Health
    • Wellbeing SA
    • Various regional health networks

Government business enterprises

See also

  • List of South Australian government agencies
  • List of South Australian Ministries
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