In representative democracies, gerrymandering is the political manipulation of electoral district boundaries with the intent to create undue advantage for a party, group, or socioeconomic class within the constituency. The manipulation may involve "cracking" or "packing". Gerrymandering can also be used to protect incumbents. Wayne Dawkins describes it as politicians picking their voters instead of voters picking their politicians.
Proportional representation (PR) refers to a type of electoral system under which subgroups of an electorate are reflected proportionately in the elected body. The concept applies mainly to political divisions among voters. The essence of such systems is that all votes cast - or almost all votes cast - contribute to the result and are effectively used to help elect someone—not just a bare plurality, or (exclusively) the majority—and that the system produces mixed, balanced representation reflecting how votes are cast.
Party-list proportional representation (list-PR) is a subset of proportional representation electoral systems in which multiple candidates are elected through their position on an electoral list. They can also be used as part of mixed-member electoral systems.
The United States Electoral College is the group of presidential electors required by the Constitution to form every four years for the sole purpose of appointing the president and vice president. Each state and the District of Columbia appoints electors pursuant to the methods described by its legislature, equal in number to its congressional delegation. Federal office holders, including senators and representatives, cannot be electors. Of the current 538 electors, an absolute majority of 270 or more electoral votes is required to elect the president and vice president. If no candidate achieves an absolute majority there, a contingent election is held by the United States House of Representatives to elect the president, and by the United States Senate to elect the vice president.
The D'Hondt method, also called the Jefferson method or the greatest divisors method, is a method for allocating seats in parliaments among federal states, or in party-list proportional representation systems. It belongs to the class of highest-averages methods.
The Webster method, also called the Sainte-Laguë method or the major fractions method, is a method for allocating seats in a parliament among federal states, or among parties in a party-list proportional representation system.
The Australian electoral system comprises the laws and processes used for the election of members of the Australian Parliament and is governed primarily by the Commonwealth Electoral Act 1918. The system presently has a number of distinctive features including compulsory enrolment; compulsory voting; majority-preferential instant-runoff voting in single-member seats to elect the lower house, the House of Representatives; and the use of the single transferable vote proportional representation system to elect the upper house, the Senate.
An electoral district, also known as an election district, legislative district, voting district, constituency, riding, ward, division, or (election) precinct is a subdivision of a larger state created to provide its population with representation in the larger state's legislative body. That body, or the state's constitution or a body established for that purpose, determines each district's boundaries and whether each will be represented by a single member or multiple members. Generally, only voters (constituents) who reside within the district are permitted to vote in an election held there. District representatives may be elected by a first-past-the-post system, a proportional representative system, or another voting method. They may be selected by a direct election under universal suffrage, an indirect election, or another form of suffrage.
Reynolds v. Sims, 377 U.S. 533 (1964), was a landmark United States Supreme Court case in which the Court ruled that the electoral districts of state legislative chambers must be roughly equal in population. Along with Baker v. Carr (1962) and Wesberry v. Sanders (1964), it was part of a series of Warren Court cases that applied the principle of "one person, one vote" to U.S. legislative bodies.
The Bjelkemander was the term given to a system of malapportionment in the Australian state of Queensland in the 1970s and 1980s. Under the system, electorates were allocated to zones such as rural or metropolitan and electoral boundaries drawn so that rural electorates had about half as many voters each as metropolitan ones. The Country Party, a rural-based party led by Joh Bjelke-Petersen, was able to govern uninhibited during this period due to the 'Bjelkemander' and the absence of an upper house of Parliament.
The Western Australian Legislative Council is the upper house of the Parliament of Western Australia, a state of Australia. It is regarded as a house of review for legislation passed by the Legislative Assembly, the lower house. The two Houses of Parliament sit in Parliament House in the state capital, Perth.
"One man, one vote", or "one person, one vote", expresses the principle of equal representation in voting. This slogan is used by advocates of democracy and political equality, especially with regard to electoral reforms like universal suffrage and proportional representation.
Congressional districts, also known as electoral districts and legislative districts, electorates, or wards in other nations, are divisions of a larger administrative region that represent the population of a region in the larger congressional body. Notably, Australia's districts are referred to as electorates or seats; in Canada, these are called "constituencies", or more informally "ridings". Countries with congressional districts include the United States, the Philippines, and Japan.
The Huntington–Hill method is a method for proportional allocation of the seats in a representative assembly by minimizing the percentage differences in the number of constituents represented by each seat. Edward Huntington formulated this approach, building on the earlier work of Joseph Adna Hill, and called it the method of equal proportions. Since 1941, this method has been used to apportion the 435 seats in the United States House of Representatives following the completion of each decennial census.
In Australia, a redistribution is the process of redrawing the boundaries of electoral divisions for the House of Representatives arising from changes in population and changes in the number of representatives. There is no redistribution for the Senate as each State constitutes a division, though with multiple members. The Australian Electoral Commission (AEC), an independent statutory authority, oversees the apportionment and redistribution process for federal divisions, taking into account a number of factors. Politicians, political parties and the public may make submissions to the AEC on proposed new boundaries, but any interference with their deliberations is considered a serious offence.
Electoral geography is the analysis of the methods, the behavior, and the results of elections in the context of geographic space and using geographical techniques. Specifically, it is an examination of the dual interaction in which geographical affect the political decisions, and the geographical structure of the election system affects electoral results. The purpose of the analysis is to identify and understand driving factors and the electoral characteristics of territories in a broad and integrative manner.
Redistribution is the process by which electoral districts are added, removed, or otherwise changed. Redistribution is a form of boundary delimitation that changes electoral district boundaries, usually in response to periodic census results. Redistribution is required by law or constitution at least every decade in most representative democracy systems that use first-past-the-post or similar electoral systems to prevent geographic malapportionment. The act of manipulation of electoral districts to favour a candidate or party is called gerrymandering.
Degressive proportionality is an approach to the allocation of seats in a legislature or other decision-making body. Degressive proportionality means that while the subdivisions do not each elect an equal number of members, smaller subdivisions are allocated more seats than would be allocated strictly in proportion to their population.
Direct representation or proxy representation is a form of representative democracy where voters can vote for any candidate in the land, and each representative's vote is weighted in proportion to the number of citizens who have chosen that candidate to represent them.
Apportionment by country describes the practices used in various democratic countries around the world for partitioning seats in the parliament among districts or parties. See apportionment (politics) for the general principles and issues related to apportionment.
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