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| federal elections in Australia | |
|---|---|
| Name | Federal elections in Australia |
| Type | Parliamentary |
| Country | Australia |
| First | 1901 |
| Voting system | Preferential voting, Proportional representation |
| Seats | House of Representatives, Senate |
federal elections in Australia are nationwide elections to choose members of the House of Representatives and the Senate for the Parliament of Australia. They determine the composition of the prime minister and the cabinet by establishing party or coalition control, and are regulated by the Australian Constitution and administered by the Australian Electoral Commission. Major participants include the Australian Labor Party, the Liberal Party of Australia, the National Party of Australia, the Australian Greens, and a range of minor parties and independents.
Federal elections are held under timelines set by the Australian Constitution and conventions associated with the Governor-General of Australia and the prime minister; the House has a maximum term of three years while the Senate terms are staggered with rotations established by the Constitution and the double dissolution mechanism. Elections are influenced by historical events such as the first federal election, the Great Depression-era election, and the 1975 crisis which led to the 1975 Australian federal election. The electoral cycle interacts with institutions like the High Court of Australia when disputes arise and with legal frameworks such as the Commonwealth Electoral Act 1918.
The electoral system combines preferential voting and proportional representation: the House uses instant-runoff voting commonly called preferential voting, and the Senate uses single transferable vote proportional representation with group voting tickets abolished after reforms influenced by decisions from the High Court of Australia and legislation from the Parliament of Australia. Redistributions are conducted by the Australian Electoral Commission under rules in the Commonwealth Electoral Act 1918 and are subject to challenges referencing precedents from the High Court of Australia. Key features affecting outcomes include the two-party-preferred vote, electoral boundaries shaped by the Australian Electoral Commission, and campaign finance laws debated in the Parliament.
Voter eligibility is determined by criteria in the Commonwealth Electoral Act 1918, including Australian citizenship and age requirements influenced by precedents from the High Court of Australia. Enrollment is compulsory and administered by the Australian Electoral Commission, with penalties enforced under provisions of the Commonwealth Electoral Act 1918; special provisions exist for members of the Australian Defence Force and residents of external territories like Christmas Island and Norfolk Island. Candidate eligibility draws on constitutional provisions such as Section 44 of the Australian Constitution which has led to high-profile cases involving politicians like Barnaby Joyce and citation needed-era controversies adjudicated by the High Court of Australia.
Campaigning is led by major parties such as the Australian Labor Party, the Liberal Party of Australia, the National Party of Australia, and the Australian Greens, and frequently features minor parties like Pauline Hanson's One Nation and Katter's Australian Party. Campaign strategies involve party leaders including figures like Anthony Albanese and predecessors such as Scott Morrison, and draw on institutions like the Australian Broadcasting Corporation and private media groups such as News Corp Australia for coverage. Fundraising, advertising, and preference deals are shaped by regulatory debates in the Parliament of Australia and judicial review by the High Court of Australia, while interest groups and unions, including the Australian Council of Trade Unions and business lobby groups like the Australian Chamber of Commerce and Industry, influence platforms.
Voting is compulsory under the Commonwealth Electoral Act 1918 and administered by the Australian Electoral Commission, which conducts roll updates, polling, and postal voting; electoral officers operate at polling places across states such as New South Wales, Victoria, Queensland, Western Australia, South Australia, Tasmania, and territories like the Australian Capital Territory and the Northern Territory. Ballot counting uses systems leading to outcomes such as the two-party-preferred vote, and disputes over results or conduct may be resolved by the Court of Disputed Returns or the High Court of Australia. Reforms and technological debates involve institutions like the Australian National Audit Office and proposals evaluated by parliamentary committees such as the Joint Standing Committee on Electoral Matters.
Results determine which party or coalition can command the House to form government; the Governor-General of Australia commissions a prime minister who can command confidence, often from the Liberal Party of Australia–National Party of Australia coalition or the Australian Labor Party. Senate composition influences legislative agendas and negotiations with minor parties and independents like Cindy McLeish and David Leyonhjelm. Vacancies between general elections are filled by mechanisms such as by-elections for the House and appointments for the Senate under Section 15 of the Australian Constitution, with notable by-elections such as those following the 1994 Lindsay by-election and high-profile resignations like that of Malcolm Turnbull.
The evolution of federal elections traces back to the 1901 Australian federal election and includes turning points like the 1910 Australian federal election, the 1949 Australian federal election which expanded the House, the 1972 Australian federal election that brought the Gough Whitlam Australian Labor Party to power, the 1996 Australian federal election that ushered in the John Howard era, and the 2013 Australian federal election and 2019 Australian federal election featuring leaders such as Kevin Rudd, Julia Gillard, Tony Abbott, and Malcolm Turnbull. Constitutional crises, judicial interventions by the High Court of Australia, and reforms to voting systems and campaign finance have shaped modern practice, with scholarly analysis from institutions like the Australian National University and the Lowy Institute contributing to debate about future reforms.