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| State upper houses of Australia | |
|---|---|
| Name | State upper houses of Australia |
| Legislature | State Parliaments of Australia |
| House type | Upper houses |
| Established | 1850s–1890s |
| Members | varies by state |
| Voting system | various proportional and preferential systems |
| Last election | varies by state |
State upper houses of Australia
State upper houses of Australia are the upper chambers within the six Australian New South Wales parliaments and the parliaments of Victoria, Queensland (abolished), Western Australia, South Australia and Tasmania, providing review, amendment and oversight functions to their respective lower houses such as the New South Wales Legislative Assembly, the Victorian Legislative Assembly and the Western Australian Legislative Assembly. These chambers interact with institutions like the Governor of New South Wales, the Governor of Victoria and the Governor of Tasmania in legislative processes and have been shaped by figures including Henry Parkes, Sir Henry Bolte and Robert Menzies as contexts for state constitutional evolution.
State upper houses typically bear names derived from the Westminster tradition: the Legislative Council in New South Wales, Victoria, Western Australia, South Australia and Tasmania. Membership sizes and electoral terms differ, with examples including the Tasmanian Legislative Council’s long-standing independent composition influenced by politicians such as Sir Guy Green and the Victorian Legislative Council’s proportional representation reforms under premiers like Steve Bracks. Upper houses sit alongside lower houses like the Queensland Legislative Assembly (which abolished its upper house in 1922 under the premiership of T. J. Ryan’s successors), and play roles comparable to the House of Lords in the United Kingdom and the Senate of Canada in bicameral review.
Colonial upper chambers emerged in the 19th century across colonies such as New South Wales (colonial) and Van Diemen's Land (now Tasmania), influenced by constitutional instruments like the Australian Constitutions Act 1850 and public figures including Francis Suttor and John Macarthur. Debates over appointed versus elected chambers involved actors such as Earl Grey and movements like the Chartist movement (as referenced by colonial reformers). Federation in 1901 and state constitutional jurisprudence involving the High Court of Australia shaped upper house powers, with case law including decisions influenced by jurists like Isaac Isaacs and H. V. Evatt. Twentieth-century reforms under premiers such as Henry Bolte and Don Dunstan altered membership, electoral franchises and standing orders.
Upper houses employ varied systems: the Tasmanian Legislative Council uses single-member constituencies with staggered terms, reflecting practices seen in constituencies once represented by figures like Justin O'Byrne; the Victorian Legislative Council adopted multi-member proportional representation using the Single Transferable Vote after reforms promoted by politicians including Jeff Kennett and Brendan Jenkins. The New South Wales Legislative Council uses statewide proportional representation with party lists echoing federal Senate of Australia mechanisms championed by leaders like Alfred Deakin. Voting eligibility and compulsory voting interact with institutions like the Australian Electoral Commission and have been contested in campaigns by parties such as the Australian Labor Party, the Liberal Party of Australia, the National Party of Australia, the Greens (Australia), the United Australia Party (1931) and minor parties including the Shooter, Fishers and Farmers Party.
State upper houses exercise legislative review, amendatory powers, committee inquiry functions and budgetary oversight, paralleling roles performed by the Senate of Australia and the House of Lords. They can delay or block supply, summon committees to investigate issues involving agencies like state police forces and statutory authorities, and scrutinise executive actions tied to premiers such as Carmen Lawrence and ministers like John Cain. Judicial review intersections involve courts like the Supreme Court of New South Wales and constitutional conventions traced to legal thinkers such as A. V. Dicey.
Upper houses generally cannot initiate appropriation bills, mirroring constraints similar to the House of Commons–House of Lords relationship; governments are formed in lower houses such as the South Australian House of Assembly and remain responsible to them under conventions reinforced by leaders like Bob Hawke. Confidence and supply dynamics can produce deadlocks, resolved historically via negotiation, double dissolution mechanisms at the federal level inspired by Section 57 of the Constitution of Australia debates, or state-specific solutions influenced by premiers like Carmen Lawrence and Nick Greiner.
Comparative differences include Tasmania’s strong independent tradition in the Tasmanian Legislative Council contrasted with Victoria’s party-dominated Victorian Legislative Council, New South Wales’s statewide proportional system versus Western Australia’s mixed reforms under ministers such as Kim Beazley and Richard Court, and South Australia’s historical adjustments under leaders like Don Dunstan. These variations affect legislative throughput, committee effectiveness and party discipline involving caucuses of the Australian Labor Party (New South Wales Branch), the Liberal Party of Australia (Victorian Division), and state branches of the Greens South Australia.
Abolition campaigns, notably Queensland’s 1922 abolition of its Legislative Council of Queensland under figures like Ryan-era ministers and modern reform drives advocated by politicians such as Joh Bjelke-Petersen opponents, have recurred. Reform efforts include proportional representation adoption in Victoria and NSW, inquiries by scholars like Anne Twomey and activists associated with organizations such as the Democratic Audit and the Australian Fabian Society, and constitutional amendment attempts debated in state parliaments and courts including the High Court of Australia.