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Gallagher Index
The Gallagher index measures an electoral system's relative Proportional representation, disproportionality between votes received and seats in a legislature. As such, it measures the difference between the percentage of votes each party gets and the percentage of seats each party gets in the resulting legislature, and it also measures this disproportionality from all parties ''collectively'' in any one given election. That collective disproportionality from the election is given a precise score, which can then be used in comparing various levels of proportionality among various elections from various electoral systems. The Gallagher index is a statistical analysis methodology utilised within political science, notably the branch of psephology. Michael Gallagher (academic), Michael Gallagher, who created the index, referred to it as a "least squares index", inspired by the residual sum of squares, sum of squares of residuals used in the method of least squares. The index is therefo ...
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Gallagher Index Map Robinson
Gallagher may refer to: Places United States * Gallagher Township, Pennsylvania * Gallagher, West Virginia, an unincorporated place People * Gallagher (surname) * Gallagher (comedian), stage name of Leo Anthony Gallagher Jr. * Gallagher family, Irish clan Other * Arthur J. Gallagher & Co., American insurance brokerage * The Gallagher Index, in political science * The Gallagher Group (UK), construction and quarrying firm * "Gallagher" (''Space Ghost Coast to Coast''), a television episode See also *Gallager (other) *Gallaher (other) *Gallacher Gallacher is a surname of Irish origin and is a variant of the Gaelic Ó Gallchóbhair found commonly in Scotland Scotland is a Countries of the United Kingdom, country that is part of the United Kingdom. It contains nearly one-third of t ... * Goligher * Justice Gallagher (other) {{disambiguation ...
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Parliament Of Canada
The Parliament of Canada () is the Canadian federalism, federal legislature of Canada. The Monarchy of Canada, Crown, along with two chambers: the Senate of Canada, Senate and the House of Commons of Canada, House of Commons, form the Bicameralism, bicameral legislature. The 343 members of the lower house, the House of Commons, are styled as Member of Parliament (Canada), ''Members of Parliament'' (MPs), and each elected to represent an Electoral district (Canada), electoral district (also known as a riding). The 105 members of the upper house, the Senate, are styled ''senators'' and appointed by the Governor General of Canada, governor general on the advice of the Prime Minister of Canada, prime minister. Collectively, MPs and senators are known as ''parliamentarians''. Bills may originate in either the House of Commons or the Senate, however, bills involving raising or spending funds must originate in the House of Commons. By Constitutional convention (political custom), cons ...
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Independent Politician
An independent politician or non-affiliated politician is a politician not affiliated with any political party or Bureaucracy, bureaucratic association. There are numerous reasons why someone may stand for office as an independent. Some politicians have political views that do not align with the platforms of any political party and therefore they choose not to affiliate with them. Some independent politicians may be associated with a party, perhaps as former members of it or else have views that align with it, but choose not to stand in its name, or are unable to do so because the party in question has selected another candidate. Others may belong to or support a political party at the national level but believe they should not formally represent it (and thus be subject to its policies) at another level. In some cases, a politician may be a member of an unregistered party and therefore officially recognised as an independent. Officeholders may become independents after losing or r ...
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Queensland Greens
The Queensland Greens is a Green party in Queensland, Australia, and a state member of the Australian Greens. The party is currently represented in all three levels of government, by Larissa Waters and Penny Allman-Payne in the federal Senate; Elizabeth Watson-Brown in the House of Representatives; Michael Berkman in the state Legislative Assembly; and Trina Massey and Seal Chong Wah in Brisbane City Council. History The Greens were first founded in Queensland as the Brisbane Green Party in 1984, contesting four wards and for mayor in the 1985 Brisbane City Council elections. Following the collapse of the Brisbane Greens in 1986, the party began to re-form as the Queensland Greens under a national initiative, today's Australian Greens. The Queensland Greens were officially founded as a political party on 22 September 1991 as part of the national Greens alliance. Federal Parliament Queensland Greens co-founder Drew Hutton ran in the 1993, 1998 and 2004 federal elections ...
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Katter's Australian Party
Katter's Australian Party (KAP) is an agrarian populist political party in Australia that advocates for agrarian socialist economic policies and conservative social policies. It was founded by Bob Katter, an independent and former Nationals MP for the seat of Kennedy, with a registration application lodged to the Australian Electoral Commission in 2011. Katter has been re-elected under the party's label at the 2013, 2016, 2019, 2022 and 2025 federal elections. The party also won two seats at the 2012 Queensland state election, which it retained at the 2015 state election. The party won an additional seat at the 2017 state election which it retained at the 2020 state election and the 2024 state election. In February 2020, Bob Katter handed the leadership of the party to his son Robbie Katter, a Queensland state MP. Name The party's application for registration was denied by the Australian Electoral Commission on 17 August 2011, on the grounds that the intended ...
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Australian Labor Party (Queensland Branch)
The Queensland Labor Party, officially known as the Australian Labor Party (State of Queensland) and commonly referred to as Queensland Labor or simply Labor, is the branch of the Australian Labor Party (ALP) in the state of Queensland. It has functioned in the state since the 1880s. The Queensland branch of the Australian Labor Party was the first Labour Party to win government in the world, when, in December of 1899, following the resignation of the Dickson ministry, Queensland Labour leader Anderson Dawson accepted an offer by Lieutenant-Governor Samuel Griffith to form a government. History Trade unionists in Queensland had begun attempting to secure parliamentary representation as early as the mid-1880s. William McNaughton Galloway, the president of the Seamen's Union, mounted an unsuccessful campaign as an independent in an 1886 by-election. A Workers' Political Reform Association was founded to nominate candidates for the 1888 election, at which the Brisbane Tra ...
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Liberal National Party Of Queensland
The Liberal National Party of Queensland (LNP) is a major conservative political party in Queensland, Australia. It was formed in 2008 by a merger of the Queensland divisions of the Liberal Party and the National Party. In most other states, the two parties remain separate and distinct. Federal LNP parliamentarians sit in the party room of either the Liberals or the Nationals, depending on which federal party their seat has been allocated to by the LNP. The LNP is a division of the Liberal Party of Australia and an affiliate of the National Party of Australia. After suffering defeat at its first election in 2009 the LNP won government for the first time at the 2012 election, winning 78 out of 89 seats, a record majority in the unicameral Parliament of Queensland. Campbell Newman became the first LNP Premier of Queensland. The Newman Government was subsequently defeated by the Labor Party at the 2015 election. Since 1989, the LNP and its predecessor parties have been in ...
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Australian Democrats
The Australian Democrats is a centrist political party in Australia. Founded in 1977 from a merger of the Australia Party and the New Liberal Movement, both of which were descended from Liberal Party splinter groups, it was Australia's largest minor party from its formation in 1977 through to 2004 and frequently held the balance of power in the Senate during that time. The Democrats' inaugural leader was Don Chipp, a former Liberal cabinet minister, who famously promised to "keep the bastards honest". At the 1977 federal election, the Democrats polled 11.1 percent of the Senate vote and secured two seats. The party would retain a presence in the Senate for the next 30 years, winning seats in all six states and at its peak (between 1999 and 2002) holding nine out of 76 seats, though never securing a seat in the lower house. Due to the party's numbers in the Senate, both Liberal and Labor governments required the assistance of the Democrats to pass contentious legislat ...
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Australian Greens
The Australian Greens, commonly referred to simply as the Greens, are a Left-wing politics, left-wing green party, green Australian List of political parties in Australia, political party. As of 2025, the Greens are the third largest political party in Australia by vote and the fourth-largest by elected representation. Following the 2025 Australian federal election, 2025 Australian Federal Election, Larissa Waters serves as Leader of the Greens and Mehreen Faruqi serves as deputy leader. The party was formed in 1992 as a confederation of eight state and territorial parties. In their early years, the party was largely built around the personality of well-known Tasmanian politician Bob Brown, before expanding its representation substantially in the early part of the 21st century. The party cites four core values as its ideology, namely sustainability, ecological sustainability, social justice, grassroots democracy, and peace movement, peace and non-violence. The party's origin ...
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Parliaments Of The Australian States And Territories
The parliaments of the Australian states and territories are legislative bodies within the federal framework of the Commonwealth of Australia. All the parliaments are based on the Westminster system, and each is regulated by its own constitution. Queensland and the two territories have unicameral parliaments, with the single house being called the Legislative Assembly. The other states have a bicameral parliament, with a lower house called the Legislative Assembly (New South Wales, Victoria and Western Australia) or House of Assembly (South Australia and Tasmania), and an upper house called the Legislative Council. Section 44 of the Constitution of Australia prevents persons with dual citizenship from being members of the Federal Parliament, but there are no laws preventing holders of dual citizenship being members of State Parliaments. Background Before the formation of the Commonwealth in 1901, the six Australian colonies were self-governing colonies, with parliaments w ...
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Australian House Of Representatives
The House of Representatives is the lower house of the bicameralism, bicameral Parliament of Australia, the upper house being the Australian Senate, Senate. Its composition and powers are set out in Chapter I of the Constitution of Australia. The term of members of the House of Representatives is a maximum of three years from the date of the first sitting of the House, but on only 1910 Australian federal election, one occasion since Federation has the maximum term been reached. The House is almost always dissolved earlier, usually alone but sometimes in a double dissolution alongside the whole Senate. Elections for members of the House of Representatives have always been held in conjunction with those for the Senate since the 1970s. A member of the House may be referred to as a "Member of Parliament" ("MP" or "Member"), while a member of the Senate is usually referred to as a "senator". Under the conventions of the Westminster system, the Australian Government, government of ...
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Single-member District
A single-member district or constituency is an electoral district represented by a single officeholder. It contrasts with a multi-member district, which is represented by multiple officeholders. In some countries, such as Australia and India, members of the lower house of parliament are elected from single-member districts, while members of the upper house are elected from multi-member districts. In some other countries, such as Singapore, members of parliament can be elected from either single-member or multi-member districts. History in the United States The United States Constitution, ratified in 1789, states: "The House of Representatives shall be composed of Members chosen every second Year by the People of the several States...Representatives...shall be apportioned among the several States which may be included within this Union, according to their respective Numbers." In other words, the Constitution specifies that each state will be apportioned a number of representa ...
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