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Instant-runoff voting, the Glossary

Index Instant-runoff voting

Instant-runoff voting (IRV), also known as ranked-choice voting or the alternative vote (AV), combines ranked voting (in which voters rank candidates rather than choosing only a single preferred candidate) together with a system for choosing winners from these rankings by repeatedly eliminating the candidate with the fewest first-place votes and reassigning their votes until only one candidate is left.[1]

Table of Contents

  1. 140 relations: Academy Award for Best Picture, Alaska, Alternative vote plus, American Idol, Animal Justice Party, Ann Arbor, Michigan, Antony Green, Approval voting, Arkansas, Arrow's impossibility theorem, Austin Currie, Australian Broadcasting Corporation, Australian Greens, Australian House of Representatives, Australian Labor Party, Australian Senate, Ballot exhaustion, Bob Kiss, Borda count, Brian Lenihan Snr, Bucklin voting, Bullet voting, Ceann Comhairle, Center squeeze, Centrism, Clem Newton-Brown, Coalition (Australia), Comparison of electoral systems, Condorcet loser criterion, Condorcet method, Condorcet paradox, Condorcet winner criterion, Contingent vote, Dáil Éireann, Democratic Party (United States), Donkey vote, Droop quota, Elections Act 2022, Electoral district of Prahran, Electoral reform, Electoral Reform Society, Electoral system, Electoral system of Australia, Electoral systems of the Australian states and territories, Exhaustive ballot, FairVote, Family First Party, Fianna Fáil, Fine Gael, First-past-the-post voting, ... Expand index (90 more) »

  2. Non-monotonic electoral systems
  3. Preferential electoral systems
  4. Single-winner electoral systems

Academy Award for Best Picture

The Academy Award for Best Picture is one of the Academy Awards (also known as Oscars) presented annually by the Academy of Motion Picture Arts and Sciences (AMPAS) since the awards debuted in 1929.

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Alaska

Alaska is a non-contiguous U.S. state on the northwest extremity of North America.

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Alternative vote plus

The alternative vote plus (AV+), or alternative vote top-up, is a semi-proportional voting system. Instant-runoff voting and alternative vote plus are preferential electoral systems.

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American Idol

American Idol is an American singing competition television series created by Simon Fuller, produced by Fremantle North America and 19 Entertainment, and distributed by Fremantle North America.

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Animal Justice Party

The Animal Justice Party (AJP) is a political party in Australia founded in 2009 by Steve Garlick.

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Ann Arbor, Michigan

Ann Arbor is a college town and the county seat of Washtenaw County, Michigan, United States.

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Antony Green

Antony John Green (born 2 March 1960) is an Australian psephologist and commentator.

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Approval voting

Approval voting is a single-winner electoral system in which voters mark all the candidates they support, instead of just choosing one. Instant-runoff voting and Approval voting are single-winner electoral systems.

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Arkansas

Arkansas is a landlocked state in the West South Central region of the Southern United States.

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Arrow's impossibility theorem

Arrow's impossibility theorem is a key result in social choice showing that no rank-order method for collective decision-making can behave rationally or coherently.

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Austin Currie

Joseph Austin Currie (11 October 1939 – 9 November 2021) was an Irish politician who served as a Minister of State with responsibility for Children's Rights from 1994 to 1997.

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Australian Broadcasting Corporation

The Australian Broadcasting Corporation (ABC), is the national broadcaster of Australia.

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Australian Greens

The Australian Greens (AG), commonly referred to simply as the Greens, are a confederation of green state and territory political parties in Australia.

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Australian House of Representatives

The Australian House of Representatives is the lower house of the bicameral Parliament of Australia, the upper house being the Senate.

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Australian Labor Party

The Australian Labor Party (ALP), also known simply as Labor or the Labor Party, is the major centre-left political party in Australia and one of two major parties in Australian politics, along with the centre-right Liberal Party of Australia.

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Australian Senate

The Australian Senate is the upper house of the bicameral Parliament of Australia, the lower house being the House of Representatives.

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Ballot exhaustion

Ballot exhaustion occurs when a voter's ballot can no longer be counted, because all candidates supported on that ballot have been eliminated from an election.

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Bob Kiss

Bob Kiss (born April 1, 1947) is an American politician and former mayor of Burlington, Vermont.

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Borda count

The Borda count is a family of positional voting rules which gives each candidate, for each ballot, a number of points corresponding to the number of candidates ranked lower. Instant-runoff voting and Borda count are preferential electoral systems and single-winner electoral systems.

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Brian Lenihan Snr

Brian Patrick Lenihan (17 November 1930 – 1 November 1995) was an Irish Fianna Fáil politician who served as Tánaiste from 1987 to 1990, Minister for Defence from 1989 to 1990, Minister for Agriculture from March 1982 to December 1982, Minister for Fisheries from 1977 to 1979, Minister for Foreign Affairs from 1987 to 1989, 1979 to 1981 and January 1973 to March 1973, Minister for Transport and Power from 1969 to 1973, Minister for Education from 1968 to 1969, Minister for Justice from 1964 to 1969, Parliamentary Secretary to the Minister for Justice and Parliamentary Secretary to the Minister for Lands from 1961 to 1964.

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Bucklin voting

Bucklin voting is a class of voting methods that can be used for single-member and multi-member districts. Instant-runoff voting and Bucklin voting are non-monotonic electoral systems, preferential electoral systems and single-winner electoral systems.

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Bullet voting

Bullet, single-shot, or plump voting is when a voter supports only a single candidate, typically to show strong support for a single favorite.

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Ceann Comhairle

The italics ("Head of Council"; plural usually Cinn Comhairle) is the chairperson (or speaker) of Dáil Éireann, the lower house of the Oireachtas (parliament) of Ireland.

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Center squeeze

A center squeeze is a type of spoiler effect where a majority-preferred and socially-optimal candidate tends to be eliminated in favor of a more extreme candidate in plurality-runoff methods, like the two-round and ranked-choice runoff (RCV) rules.

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Centrism

Centrism is the range of political ideologies that exist between left-wing politics and right-wing politics on the left–right political spectrum.

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Clem Newton-Brown

Clement Arundel Newton-Brown (born 3 September 1967) is a former Australian politician and entrepreneur who served as the member for Prahran in the Victorian Legislative Assembly.

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Coalition (Australia)

The Liberal–National Coalition, commonly known simply as the Coalition or the LNP, is an alliance of centre-right to right-wing political parties that forms one of the two major groupings in Australian federal politics.

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Comparison of electoral systems

A major branch of social choice theory is devoted to the comparison of electoral systems, otherwise known as social choice functions.

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Condorcet loser criterion

In single-winner voting system theory, the Condorcet loser criterion (CLC) is a measure for differentiating voting systems.

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Condorcet method

A Condorcet method is an election method that elects the candidate who wins a majority of the vote in every head-to-head election against each of the other candidates, whenever there is such a candidate. Instant-runoff voting and Condorcet method are preferential electoral systems and single-winner electoral systems.

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Condorcet paradox

In social choice theory, a Condorcet paradox (or voting paradox) is a situation where majority rule behaves in a way that is self-contradictory.

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Condorcet winner criterion

In an election, a candidate is called a majority winner or majority-preferred candidate if more than half of all voters would support them in a one-on-one race against any one of their opponents.

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Contingent vote

The contingent vote is an electoral system used to elect a single representative in which a candidate requires a majority of votes to win. Instant-runoff voting and contingent vote are non-monotonic electoral systems, preferential electoral systems and single-winner electoral systems.

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Dáil Éireann

Dáil Éireann is the lower house, and principal chamber, of the Oireachtas (Irish legislature), which also includes the president of Ireland and a senate called Seanad Éireann.

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Democratic Party (United States)

The Democratic Party is one of the two major contemporary political parties in the United States.

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Donkey vote

In electoral systems which use ranked voting, a donkey vote is a cast ballot where the voter ranks the candidates based on the order they appear on the ballot itself.

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Droop quota

In the study of electoral systems, the Droop quota (sometimes called the '''Hagenbach-Bischoff''', Britton, or Newland-Britton quota) is the minimum number of votes needed for a party or candidate to guarantee they will win at least one seat in a legislature.

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Elections Act 2022

The Elections Act 2022 (c. 37) is an act of the Parliament of the United Kingdom that was introduced to the House of Commons in July 2021 and received royal assent on 28 April 2022.

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Electoral district of Prahran

Prahran is an electoral district of the Legislative Assembly in the Australian state of Victoria.

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Electoral reform

Electoral reform is a change in electoral systems which alters how public desires are expressed in election results.

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Electoral Reform Society

The Electoral Reform Society (ERS) is an independent advocacy organisation in the United Kingdom which promotes electoral reform.

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Electoral system

An electoral system or voting system is a set of rules that determine how elections and referendums are conducted and how their results are determined.

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Electoral system of Australia

The electoral system of Australia 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.

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Electoral systems of the Australian states and territories

Electoral systems of the Australian states and territories are broadly similar to the electoral system used in federal elections in Australia.

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Exhaustive ballot

The exhaustive ballot is a voting system used to elect a single winner. Instant-runoff voting and exhaustive ballot are single-winner electoral systems.

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FairVote

FairVote is a 501(c)(3) organization and lobbying group in the United States.

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Family First Party

The Family First Party was a conservative political party in Australia which existed from 2002 to 2017.

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Fianna Fáil

Fianna Fáil (meaning "Soldiers of Destiny" or "Warriors of Fál"), officially Fianna Fáil – The Republican Party (Fianna Fáil – An Páirtí Poblachtánach), is a political party in Ireland.

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Fine Gael

Fine Gael (English: "Family (or Tribe) of the Irish" is a liberal-conservative and Christian democratic political party in Ireland. Fine Gael is currently the third-largest party in the Republic of Ireland in terms of members of Dáil Éireann. The party had a membership of 25,000 in 2021.

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First-past-the-post voting

First-preference plurality (FPP)—often shortened simply to plurality—is a single-winner system of positional voting where voters mark one candidate as their favorite, and the candidate with the largest number of points (a '''''plurality''''' of points) is elected. Instant-runoff voting and First-past-the-post voting are single-winner electoral systems.

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Gibbard–Satterthwaite theorem

The Gibbard–Satterthwaite theorem is a theorem in voting theory.

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Henry Richmond Droop

Henry Richmond Droop (12 September 1832 – 21 March 1884) was an English barrister after whom the Droop quota is named.

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History and use of instant-runoff voting

Instant-runoff voting (IRV) is a ranked voting method used in single-winner elections.

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House of Representatives (Netherlands)

The House of Representatives (literally "Second Chamber of the States General", or simply) is the lower house of the bicameral parliament of the Netherlands, the States General, the other one being the Senate.

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How-to-vote card

In Australia, how-to-vote cards (HTV) are small leaflets that are handed out by party supporters during elections.

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Hugo Award

The Hugo Award is an annual literary award for the best science fiction or fantasy works and achievements of the previous year, given at the World Science Fiction Convention (Worldcon) and chosen by its members.

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Hung parliament

A hung parliament is a term used in legislatures primarily under the Westminster system (typically employing majoritarian electoral systems) to describe a situation in which no single political party or pre-existing coalition (also known as an alliance or bloc) has an absolute majority of legislators (commonly known as members or seats) in a parliament or other legislature.

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Impartial culture

Impartial culture (IC) or the culture of indifference is a probabilistic model used in social choice theory for analyzing ranked voting method rules.

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Independence of clones criterion

In social choice theory, the independence of clones criterion says that adding a clone, i.e. a new candidate very similar to an already-existing candidate, should not spoil the results.

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Independence of irrelevant alternatives

Independence of irrelevant alternatives (IIA), also known as binary independence, the independence axiom, is an axiom of decision theory and economics describing a necessary condition for rational behavior.

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Independent politician

An independent, non-partisan politician or non-affiliated politician is a politician not affiliated with any political party or bureaucratic association.

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Jenkins Commission (UK)

The Independent Commission on the Voting System, popularly known as the Jenkins Commission after its chairman Roy Jenkins, was a commission into possible reform of the United Kingdom electoral system.

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Labour Party (Ireland)

The Labour Party (Páirtí an Lucht Oibre, literally "Party of the Working People") is a centre-left and social-democratic political party in the Republic of Ireland.

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Later-no-harm criterion

Later-no-harm is a property of some ranked-choice voting systems, first described by Douglas Woodall.

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Left-wing politics

Left-wing politics describes the range of political ideologies that support and seek to achieve social equality and egalitarianism, often in opposition to social hierarchy as a whole or certain social hierarchies.

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Left–right political spectrum

The left–right political spectrum is a system of classifying political positions, ideologies and parties, with emphasis placed upon issues of social equality and social hierarchy.

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Liberal Party of Australia

The Liberal Party of Australia is a centre-right political party in Australia.

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Maine

Maine is a state in the New England region of the United States, and the northeasternmost state in the Lower 48.

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Majority favorite criterion

The majority favorite criterion is a voting system criterion that says that, if a candidate would win more than half the vote in a first-preference plurality election, that candidate should win.

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Marquis de Condorcet

Marie Jean Antoine Nicolas de Caritat, Marquis of Condorcet (17 September 1743 – 29 March 1794), known as Nicolas de Condorcet, was a French political economist and mathematician.

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Mary Peltola

Mary Sattler Peltola (born August 31, 1973) is an American politician and former tribal judge serving as the U.S. representative from since September 2022.

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Mary Robinson

Mary Therese Winifred Robinson (Máire Mhic Róibín;; born 21 May 1944) is an Irish politician who served as the seventh president of Ireland, holding the office from December 1990 to September 1997.

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Mathematician

A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems.

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Mayor of London

The mayor of London is the chief executive of the Greater London Authority.

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In political science and social choice theory, '''Black's''' median voter theorem states that if voters and candidates are distributed along a one-dimensional spectrum and voters have single peaked preferences, any voting method satisfying the Condorcet criterion will elect the candidate preferred by the median voter.

See Instant-runoff voting and Median voter theorem

Minneapolis

Minneapolis, officially the City of Minneapolis, is a city in and the county seat of Hennepin County, Minnesota, United States. With a population of 429,954, it is the state's most populous city as of the 2020 census. It occupies both banks of the Mississippi River and adjoins Saint Paul, the state capital of Minnesota.

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Misnomer

A misnomer is a name that is incorrectly or unsuitably applied.

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Monotonicity criterion

The positive response, '''monotonicity''', or nonperversity criterion is a principle of social choice theory that says that increasing a candidate's ranking or rating should not cause them to lose.

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Mutual majority criterion

The mutual majority criterion is a criterion for evaluating electoral system.

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National Parliament of Papua New Guinea

The National Parliament of Papua New Guinea is the unicameral national legislature in Papua New Guinea.

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National Party of Australia

The National Party of Australia, also known as The Nationals or The Nats, is a centre-right, agrarian political party in Australia.

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New America (organization)

New America, formerly the New America Foundation, is a liberal think tank in the United States founded in 1999.

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New South Wales

New South Wales (commonly abbreviated as NSW) is a state on the east coast of:Australia.

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Nicolaus Tideman

Thorwald Nicolaus Tideman (not; born August 11, 1943, in Chicago, Illinois) is a Georgist economist and professor at Virginia Tech.

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One man, one vote

"One person, one vote" or "one vote, one value" is a slogan used to advocate for the principle of equal representation in voting.

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Optional preferential voting

One of the ways in which ranked voting systems vary is whether an individual vote must express a minimum number of preferences to avoid being considered invalid ("spoiled" or "informal").

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Participation criterion

The participation criterion, also called vote or '''population monotonicity''', is a voting system criterion that says that a candidate should never lose an election as a result of receiving too many votes in support.

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Pathological (mathematics)

In mathematics, when a mathematical phenomenon runs counter to some intuition, then the phenomenon is sometimes called pathological.

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Paul LePage

Paul Richard LePage (born October 9, 1948) is American businessman and politician who served as the 74th governor of Maine from 2011 to 2019.

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PBS

The Public Broadcasting Service (PBS) is an American public broadcaster and non-commercial, free-to-air television network based in Crystal City, Virginia.

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Plural voting

Plural voting is the practice whereby one person might be able to vote multiple times in an election.

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Plurality voting

Plurality voting refers to electoral systems in which the candidate in an electoral district who poll more than any other (that is, receive a plurality) are elected.

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President of Ireland

The president of Ireland (Uachtarán na hÉireann) is the head of state of Ireland and the supreme commander of the Irish Defence Forces.

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President of the United States

The president of the United States (POTUS) is the head of state and head of government of the United States of America.

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Queensland

Queensland (commonly abbreviated as Qld) is a state in northeastern Australia, the second-largest and third-most populous of the Australian states.

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Ranked Ballot Initiative of Toronto

Ranked Ballot Initiative of Toronto (RaBIT) is a Canadian grassroots, public policy and advocacy group that supports reforming the municipal electoral voting system in the city of Toronto from a first-past-the-post voting system to instant runoff voting.

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Ranked pairs

Ranked Pairs (RP) is a tournament-style system of ranked-choice voting first proposed by Nicolaus Tideman in 1987. Instant-runoff voting and ranked pairs are single-winner electoral systems.

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Ranked voting

Ranked voting is any voting system that uses voters' orderings (rankings) of candidates to choose a single winner. Instant-runoff voting and Ranked voting are preferential electoral systems.

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Recursion

Recursion occurs when the definition of a concept or process depends on a simpler or previous version of itself.

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Republican Party (United States)

The Republican Party, also known as the GOP (Grand Old Party), is one of the two major contemporary political parties in the United States.

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Resolvability criterion

A voting system is called decisive, resolvable, or resolute if it ensures a low probability of tied elections.

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Reversal symmetry

The reversal criterion is a voting system criterion which says that if every voter's opinions on each of the candidates is perfectly reversed (i.e. they rank candidates in order from worst to best), the outcome of the election should be reversed as well, i.e. the first- and last- place finishers should switch places.

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Riddick's Rules of Procedure

Riddick's Rules of Procedure is a parliamentary authority - a book explaining the parliamentary procedure, including the rules, ethics, and customs governing meetings and other operations of the United States Senate.

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Right-wing politics

Right-wing politics is the range of political ideologies that view certain social orders and hierarchies as inevitable, natural, normal, or desirable, typically supporting this position based on natural law, economics, authority, property, religion, biology, or tradition.

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Robert's Rules of Order

Robert's Rules of Order, often simply referred to as Robert's Rules, is a manual of parliamentary procedure by U.S. Army officer Henry Martyn Robert.

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Sam Hibbins

Samuel Peter Hibbins (born 18 February 1982) is an Australian politician.

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San Francisco

San Francisco, officially the City and County of San Francisco, is a commercial, financial, and cultural center in Northern California.

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Sarah Palin

Sarah Louise Palin (Heath; born February 11, 1964) is an American politician, commentator, author, and reality television personality who served as the ninth governor of Alaska from 2006 until her resignation in 2009.

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Score voting

Score voting, sometimes called range voting, is an electoral system for single-seat elections. Instant-runoff voting and Score voting are single-winner electoral systems.

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Single transferable vote

The single transferable vote (STV), sometimes mistakenly conflated with proportional ranked choice voting (P-RCV), is a multi-winner electoral system in which each voter casts a single vote in the form of a ranked-choice ballot. Instant-runoff voting and single transferable vote are non-monotonic electoral systems and preferential electoral systems.

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Social choice theory is the branch of welfare economics which studies processes of collective decision-making.

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South Carolina

South Carolina is a state in the coastal Southeastern region of the United States.

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Spare vote

The spare vote is a version of single transferable voting applied to the ranking of parties, first proposed for elections in Germany in 2013. Instant-runoff voting and spare vote are preferential electoral systems.

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Spoiler effect

In social choice theory and politics, the spoiler effect or '''Arrow's paradox''' refers to a situation where a losing (that is, irrelevant) candidate affects the results of an election.

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Spoilt vote

In voting, a ballot is considered spoilt, spoiled, void, null, informal, invalid or stray if a law declares or an election authority determines that it is invalid and thus not included in the vote count.

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Springfield, Illinois

Springfield is the capital city of the U.S. state of Illinois and the county seat of Sangamon County.

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Sri Lanka

Sri Lanka, historically known as Ceylon, and officially the Democratic Socialist Republic of Sri Lanka, is an island country in South Asia.

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Strategic nomination

Strategic nomination refers to the entry of a candidate into an election with the intention of changing the ranking of other candidates.

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Strategic voting

Strategic or tactical voting is voting in consideration of possible ballots cast by other voters in order to maximize one's satisfaction with the election's results.

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The Standard Code of Parliamentary Procedure

The Standard Code of Parliamentary Procedure (formerly the Sturgis Standard Code of Parliamentary Procedure by Alice Sturgis) is a book of rules of order.

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Think tank

A think tank, or policy institute, is a research institute that performs research and advocacy concerning topics such as social policy, political strategy, economics, military, technology, and culture.

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Thomas Hare (political reformer)

Thomas Hare (28 March 1806 in England – 6 May 1891) was a British lawyer and supporter of electoral reform.

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Two-round system

The two-round system (TRS or 2RS), also called ballotage, top-two runoff, or two-round plurality (as originally termed in French), is a voting method used to elect a single winner. Instant-runoff voting and two-round system are non-monotonic electoral systems and single-winner electoral systems.

See Instant-runoff voting and Two-round system

United States Electoral College

In the United States, the Electoral College is the group of presidential electors that is formed every four years during the presidential election for the sole purpose of voting for the president and vice president.

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United States House of Representatives

The United States House of Representatives is the lower chamber of the United States Congress, with the Senate being the upper chamber.

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United States Senate

The United States Senate is the upper chamber of the United States Congress.

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Vermont Democratic Party

The Vermont Democratic Party is the affiliate of the Democratic Party in the U.S. state of Vermont.

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Vermont Progressive Party

The Vermont Progressive Party, formerly the Progressive Coalition and Independent Coalition, is a political party in the United States that is active in Vermont.

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Vermont Republican Party

The Vermont Republican Party is the affiliate of the Republican Party in Vermont and has been active since its foundation in the 1860s.

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Wasted vote

In electoral systems, a wasted vote is any vote cast that does not impact the final election outcome.

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Worldcon

Worldcon, or more formally the World Science Fiction Convention, the annual convention of the World Science Fiction Society (WSFS), is a science fiction convention.

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1972 Australian federal election

The 1972 Australian federal election was held in Australia on 2 December 1972.

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1990 Irish presidential election

The 1990 Irish presidential election was the tenth presidential election to be held in Ireland, the fifth to be contested by more than one candidate, and the first to have a female candidate and winner.

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2009 Burlington mayoral election

The 2009 Burlington mayoral election was held in March 2009 for the city of Burlington, Vermont.

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2010 United Kingdom general election

The 2010 United Kingdom general election was held on Thursday 6 May 2010, to elect Members of Parliament (or MPs) to the House of Commons.

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2011 United Kingdom Alternative Vote referendum

The United Kingdom Alternative Vote referendum, also known as the UK-wide referendum on the Parliamentary voting system was held on Thursday 5 May 2011 in the United Kingdom to choose the method of electing MPs at subsequent general elections.

See Instant-runoff voting and 2011 United Kingdom Alternative Vote referendum

2013 Australian federal election

The 2013 Australian federal election to elect the members of the 44th Parliament of Australia took place on Saturday 7 September 2013.

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2014 Victorian state election

The 2014 Victorian state election, held on Saturday, 29 November 2014, was for the 58th Parliament of Victoria.

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2018 United States House of Representatives elections in Maine

The 2018 United States House of Representatives elections in Maine were held on November 6, 2018, to elect the two U.S. representatives from the state of Maine, one from each of the state's two congressional districts.

See Instant-runoff voting and 2018 United States House of Representatives elections in Maine

2022 Alaska's at-large congressional district special election

The 2022 Alaska at-large congressional district special election was held on August 16 to fill the seat left vacant after the death of Republican incumbent Don Young.

See Instant-runoff voting and 2022 Alaska's at-large congressional district special election

See also

Non-monotonic electoral systems

Preferential electoral systems

Single-winner electoral systems

References

[1] https://en.wikipedia.org/wiki/Instant-runoff_voting

Also known as Alternative Transferable Vote, Alternative Vote, Alternative Vote System, Alternative vote systems, Alternative voting, Alternative voting system, Controversies regarding instant-runoff voting, Controversies surrounding instant-runoff voting, Elimination runoff, IRV voting, Instant Run-Off Voting, Instant Runoff Voting, Instant runoff, Instant-runoff, Instant-runoff vote, Instant-runoff voting controversies, Opposition to IRV, Opposition to Instant Runoff Voting, Opposition to instant-runoff voting, Rank Choice Voting, Rank-choice voting, Ranked Choice Voting, Ranked choice, Ranked-Choice Voting, Ranked-choice, Ranked-choice voting (disambiguation), Sequential loser plurality, Top-two IRV, Transferable vote, Vote exhaustion, Ware's method.

, Gibbard–Satterthwaite theorem, Henry Richmond Droop, History and use of instant-runoff voting, House of Representatives (Netherlands), How-to-vote card, Hugo Award, Hung parliament, Impartial culture, Independence of clones criterion, Independence of irrelevant alternatives, Independent politician, Jenkins Commission (UK), Labour Party (Ireland), Later-no-harm criterion, Left-wing politics, Left–right political spectrum, Liberal Party of Australia, Maine, Majority favorite criterion, Marquis de Condorcet, Mary Peltola, Mary Robinson, Mathematician, Mayor of London, Median voter theorem, Minneapolis, Misnomer, Monotonicity criterion, Mutual majority criterion, National Parliament of Papua New Guinea, National Party of Australia, New America (organization), New South Wales, Nicolaus Tideman, One man, one vote, Optional preferential voting, Participation criterion, Pathological (mathematics), Paul LePage, PBS, Plural voting, Plurality voting, President of Ireland, President of the United States, Queensland, Ranked Ballot Initiative of Toronto, Ranked pairs, Ranked voting, Recursion, Republican Party (United States), Resolvability criterion, Reversal symmetry, Riddick's Rules of Procedure, Right-wing politics, Robert's Rules of Order, Sam Hibbins, San Francisco, Sarah Palin, Score voting, Single transferable vote, Social choice theory, South Carolina, Spare vote, Spoiler effect, Spoilt vote, Springfield, Illinois, Sri Lanka, Strategic nomination, Strategic voting, The Standard Code of Parliamentary Procedure, Think tank, Thomas Hare (political reformer), Two-round system, United States Electoral College, United States House of Representatives, United States Senate, Vermont Democratic Party, Vermont Progressive Party, Vermont Republican Party, Wasted vote, Worldcon, 1972 Australian federal election, 1990 Irish presidential election, 2009 Burlington mayoral election, 2010 United Kingdom general election, 2011 United Kingdom Alternative Vote referendum, 2013 Australian federal election, 2014 Victorian state election, 2018 United States House of Representatives elections in Maine, 2022 Alaska's at-large congressional district special election.