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In a first-past-the-post electoral system (FPTP or FPP), formally called single-member plurality voting (SMP) when used in single-member districts or informally choose-one voting in contrast to ranked voting, or score voting, voters cast their vote for a candidate of their choice, and the candidate who receives the most votes wins even if the top candidate gets less than 50%, which can happen when there are more than two popular candidates. As a winner-take-all method, FPTP often produces disproportional results (when electing members of an assembly, such as a parliament) in the sense that political parties do not get representation according to their share of the popular vote. This usually favours the largest party and parties with strong regional support to the detriment of smaller parties without a geographically concentrated base. Supporters of electoral reform are generally highly critical of FPTP because of this and point out other flaws, such as FPTP's vulnerability to gerrymandering, the high amount of wasted votes and the chance of a majority reversal (when the party that wins the most votes gets fewer seats than the second largest party, and so loses the election). For these reasons, many countries have abandoned FPTP in favour of other electoral systems, but FPTP is used as the primary form of allocating seats for legislative elections in about a third of the world's countries, mostly in the English-speaking world. Some countries use FPTP alongside proportional representation in a parallel voting system, the PR element not compensating for but added to the disproportionality of FPTP. Others use it in so-called compensatory mixed systems, such as part of
mixed-member proportional representation Mixed-member proportional representation (MMP or MMPR) is a mixed electoral system in which votes cast are considered in local elections and also to determine overall party vote tallies, which are used to allocate additional members to produce ...
or mixed single vote systems, which aim to counterbalance these. In some countries that elect their legislatures by proportional representation, FPTP is used to elect their head of state.


Terminology

The phrase ''first-past-the-post'' is a metaphor from British
horse racing Horse racing is an equestrian performance sport, typically involving two or more horses ridden by jockeys (or sometimes driven without riders) over a set distance for competition. It is one of the most ancient of all sports, as its basic p ...
, where there is a post at the finish line (though there is no specific percentage "finish line" required to win in this voting system, only being furthest ahead in the race). FPTP is a plurality voting method, a ''plurality'' meaning the largest part of the whole, in contrast to ''
majority A majority, also called a simple majority or absolute majority to distinguish it from #Related terms, related terms, is more than half of the total.Dictionary definitions of ''majority'' aMerriam-Webstermajoritarian system, even though it is not "majority voting" (like a two-round system is). This is because majoritarian representation (one of the 3 major types of electoral systems alongside proportional representation and mixed systems) is defined by the winner (of an electoral district) getting all the seats, and therefore all single-winner systems (such as FPTP) are majoritarian. FPTP is primarily used in systems that use single-member electoral divisions. The multiple-member version of plurality voting is when each voter casts (up to) the same number of votes as there are positions to be filled, and those elected are the highest-placed candidates; this system is called the
multiple non-transferable vote The multiple non-transferable vote (MNTV) is a group of voting system, in which voters elect several representatives at once, with each voter having more than one vote. MNTV uses multi-member electoral districts or only one district, which conta ...
(MNTV) and is also known as
Plurality block voting Plurality block voting, also known as plurality-at-large voting, block vote or block voting (BV) is a non- proportional voting system for electing representatives in multi-winner elections. Each voter may cast as many votes as the number of sea ...
. When voters have only a single vote each, which is non-transferable, but there are multiple seats to be filled, that system is called the
single non-transferable vote Single non-transferable vote or SNTV is an electoral system used to elect multiple winners. It is a generalization of first-past-the-post, applied to multi-member districts with each voter casting just one vote. Unlike FPTP, which is a single-winn ...
(SNTV). When voters have only a single vote each, which is a preferential vote and transferable if necessary, but there are multiple seats to be filled, that system is called the Single transferable vote (STV). The multiple-round election ( runoff voting) method most commonly uses the FPTP voting method in the second round. The first round, usually held according to SNTV rules, determines which candidates may progress to the second and final round. As usually only two candidates are in the second round, one or the other takes a majority of the votes. Thus, it is truly majoritarian.


Illustration

Under a first-past-the-post voting method, the highest-polling candidate is elected. In this real-life illustration from the
2011 Singaporean presidential election The 2011 Singaporean presidential election was held to elect the next President of Singapore. Four eligible candidates were issued certificates of eligibility by the Presidential Elections Committee, and were nominated on Nomination Day with To ...
, presidential candidate Tony Tan obtained a greater number of votes than any of the other candidates. Therefore, he was declared the winner, although the second-placed candidate had an inferior margin of only 0.35% and a majority of voters (64.8%) did not vote for Tony Tan: It is not clear that Tan would have won if the votes against him had not been split among the other three candidates.


Effects

The effect of a system based on plurality voting spread over many separate districts is that the larger parties, and parties with more geographically concentrated support, gain a disproportionately large share of seats, while smaller parties with more evenly distributed support gain a disproportionately small share. As voting patterns are similar in about two-thirds of the districts, it is more likely that a single party will hold a majority of legislative seats under FPTP than happens in a proportional system, and under FPTP it is rare to elect a majority government that actually has the support of a majority of voters. In Canada,
majority government A majority government is a government by one or more governing parties that hold an absolute majority of seats in a legislature. This is as opposed to a minority government, where the largest party in a legislature only has a plurality of seats. ...
s have been formed thanks to one party winning a majority of the votes cast in Canada only three times since 1921: in
1940 A calendar from 1940 according to the Gregorian calendar, factoring in the dates of Easter and related holidays, cannot be used again until the year 5280. Events Below, the events of World War II have the "WWII" prefix. January *January ...
,
1958 Events January * January 1 – The European Economic Community (EEC) comes into being. * January 3 – The West Indies Federation is formed. * January 4 ** Edmund Hillary's Commonwealth Trans-Antarctic Expedition completes the third ...
and
1984 Events January * January 1 – The Bornean Sultanate of Brunei gains full independence from the United Kingdom, having become a British protectorate in 1888. * January 7 – Brunei becomes the sixth member of the Association of Southeast A ...
. In the United Kingdom, 19 of the 24 general elections since 1922 have produced a single-party majority government. In all but two of them (
1931 Events January * January 2 – South Dakota native Ernest Lawrence invents the cyclotron, used to accelerate particles to study nuclear physics. * January 4 – German pilot Elly Beinhorn begins her flight to Africa. * January 22 – Sir I ...
and
1935 Events January * January 7 – Italian premier Benito Mussolini and French Foreign Minister Pierre Laval conclude Franco-Italian Agreement of 1935, an agreement, in which each power agrees not to oppose the other's colonial claims. * ...
), the leading party did not take a majority of the votes across the UK. For example, the 2005 general election results were as follows: In this example, Labour took a majority of the seats with only 36% of the vote. The largest ''two'' parties took 69% of the vote and 88% of the seats. In contrast, the Liberal Democrats took more than 20% of the vote but only about 10% of the seats. FPTP wastes fewer votes when it is used in two-party contests. But waste of votes and minority governments are more likely when large groups of voters vote for three, four or more parties as in Canadian elections. Canada uses FPTP and only two of the last seven federal Canadian elections (
2011 File:2011 Events Collage.png, From top left, clockwise: a protester partaking in Occupy Wall Street heralds the beginning of the Occupy movement; protests against Libyan dictator Muammar Gaddafi, who was killed that October; a young man celebrate ...
and
2015 File:2015 Events Collage new.png, From top left, clockwise: Civil service in remembrance of November 2015 Paris attacks; Germanwings Flight 9525 was purposely crashed into the French Alps; the rubble of residences in Kathmandu following the Apri ...
) produced single-party majority governments. In none of them did the leading party receive a majority of the votes.


Arguments in support

Supporters of FPTP argue that it is easy to understand, and ballots can be counted and processed more easily than those in preferential voting systems. FPTP often produces governments which have legislative voting majorities, thus providing such governments the legislative power necessary to implement their electoral
manifesto A manifesto is a published declaration of the intentions, motives, or views of the issuer, be it an individual, group, political party or government. A manifesto usually accepts a previously published opinion or public consensus or promotes a ...
commitments during their term in office. This may be beneficial for the country in question in circumstances where the government's legislative agenda has broad public support, albeit potentially divided across party lines, or at least benefits society as a whole. However handing a legislative voting majority to a government which lacks popular support can be problematic where said government's policies favour only that fraction of the electorate that supported it, particularly if the electorate divides on tribal, religious, or urban–rural lines. Supporters of FPTP also argue that the use of proportional representation (PR) may enable smaller parties to become decisive in the country's legislature and gain leverage they would not otherwise enjoy, although this can be somewhat mitigated by a large enough electoral threshold. They argue that FPTP generally reduces this possibility, except where parties have a strong regional basis. A journalist at ''
Haaretz ''Haaretz'' ( , originally ''Ḥadshot Haaretz'' – , ) is an Israeli newspaper. It was founded in 1918, making it the longest running newspaper currently in print in Israel, and is now published in both Hebrew and English in the Berliner f ...
'' noted that Israel's highly proportional Knesset "affords great power to relatively small parties, forcing the government to give in to political blackmail and to reach compromises"; Tony Blair, defending FPTP, argued that other systems give small parties the balance of power, and influence disproportionate to their votes. Allowing people into parliament who did not finish first in their district was described by
David Cameron David William Donald Cameron (born 9 October 1966) is a British former politician who served as Prime Minister of the United Kingdom from 2010 to 2016 and Leader of the Conservative Party from 2005 to 2016. He previously served as Leader o ...
as creating a "Parliament full of second-choices who no one really wanted but didn't really object to either."
Winston Churchill Sir Winston Leonard Spencer Churchill (30 November 187424 January 1965) was a British statesman, soldier, and writer who served as Prime Minister of the United Kingdom twice, from 1940 to 1945 Winston Churchill in the Second World War, dur ...
criticized the alternative vote system as "determined by the most worthless votes given for the most worthless candidates."


Arguments against


Unrepresentative

First past the post is most often criticized for its failure to reflect the popular vote in the number of parliamentary/legislative seats awarded to competing parties. Critics argue that a fundamental requirement of an election system is to accurately represent the views of voters, but FPTP often fails in this respect. It often creates "false majorities" by over-representing larger parties (giving a majority of the parliamentary/legislative seats to a party that did not receive a majority of the votes) while under-representing smaller ones. The diagram here, summarizing Canada's 2015 federal election, demonstrates how FPTP can misrepresent the popular vote.


Wasted votes

Wasted votes are seen as those cast for losing candidates, and for winning candidates in excess of the number required for victory. For example, in the UK general election of 2005, 52% of votes were cast for losing candidates and 18% were excess votes—a total of 70% "wasted" votes. On this basis a large majority of votes may play no part in determining the outcome. This winner-takes-all system may be one of the reasons why "voter participation tends to be lower in countries with FPTP than elsewhere."


Majority reversal

A majority reversal or election inversion is a situation where the party that gets an overall majority of votes loses the election or does not get a plurality of seats. Famous examples of the second placed party (in votes nationally) winning a majority of seats include the elections in Ghana in 2012, in New Zealand in 1978 and in 1981 and in the United Kingdom in 1951. Famous examples of the second placed party (in votes nationally) winning a plurality of seats include the election in Canada in 2019 and 2021. Even when a party wins more than half the votes in an almost purely two-party-competition, it is possible for the runner-up to win a majority of seats. This happened in Saint Vincent and the Grenadines in
1966 Events January * January 1 – In a coup, Colonel Jean-Bédel Bokassa takes over as military ruler of the Central African Republic, ousting President David Dacko. * January 3 – 1966 Upper Voltan coup d'état: President Maurice Yaméogo i ...
,
1998 1998 was designated as the ''International Year of the Ocean''. Events January * January 6 – The '' Lunar Prospector'' spacecraft is launched into orbit around the Moon, and later finds evidence for frozen water, in soil in permanently ...
and
2020 2020 was heavily defined by the COVID-19 pandemic, which led to global Social impact of the COVID-19 pandemic, social and Economic impact of the COVID-19 pandemic, economic disruption, mass cancellations and postponements of events, COVID- ...
and in Belize in
1993 File:1993 Events Collage.png, From left, clockwise: The Oslo I Accord is signed in an attempt to resolve the Israeli–Palestinian conflict; The Russian White House is shelled during the 1993 Russian constitutional crisis; Czechoslovakia is peace ...
. This need not be a result of malapportionment. Even if all seats represent the same number of votes, the second placed party (in votes nationally) can win a majority of seats by efficient vote distribution. Winning seats narrowly and losing elsewhere by big margins is more efficient than winning seats by big margins and losing elsewhere narrowly. For a majority in seats, it is enough to win a plurality of votes in a majority of constituencies. Even with only two parties and equal constituencies, to win a majority of seats just requires receiving more than half the vote in more than half the districts -- even if the other party receives all the votes cast in the other districts -- so just over a quarter of the votes of the whole is theoretically enough for a majority in the legislature. Where multiple parties split the vote in a district, as few as 18 percent of the vote is enough to take a seat in FPTP. And where multiple parties win seats, a minority position in the legislature (a party with much less members than half of the assembly) could have the largest block in the chamber and be set in a commanding position, although still needing majority support to pass a bill.


Geographical problems


Geographical favouritism

Generally FPTP favours parties who can concentrate their vote into certain voting districts (or in a wider sense in specific geographic areas). This is because in doing this they win many seats and don't 'waste' many votes in other areas. The British Electoral Reform Society (ERS) says that regional parties benefit from this system. "With a geographical base, parties that are small UK-wide can still do very well". On the other hand, minor parties that do not concentrate their vote usually end up getting a much lower proportion of seats than votes, as they lose most of the seats they contest and 'waste' most of their votes. The ERS also says that in FPTP elections using many separate districts "small parties without a geographical base find it hard to win seats".
Make Votes Matter Make Votes Matter is a political pressure group based in the United Kingdom which campaigns for replacing the first-past-the-post voting system with one of proportional representation for elections to the House of Commons of the United Kingdom, ...
said that in the
2017 UK general election The 2017 United Kingdom general election was held on Thursday 8 June 2017, two years after the previous general election in 2015; it was the first since 1992 to be held on a day that did not coincide with any local elections. The governing C ...
, "the Green Party, Liberal Democrats and UKIP (minor, non-regional parties) received 11% of votes between them, yet they ''shared'' just 2% of seats", and in the
2015 UK general election The 2015 United Kingdom general election was held on Thursday, 7 May 2015 to elect 650 members to the House of Commons. It was the first and only general election held at the end of a Parliament under the Fixed-term Parliaments Act 2011. Local ...
, " e same three parties received almost a quarter of all the votes cast, yet these parties ''shared'' just 1.5% of seats." According to Make Votes Matter, and shown in the chart below, in the 2015 UK general election UKIP came in third in terms of number of votes (3.9 million/12.6%), but gained only one seat in Parliament, resulting in one seat per 3.9 million votes. The Conservatives on the other hand received one seat per 34,000 votes.


Distorted geographical representation

The winner-takes-all nature of FPTP leads to distorted patterns of representation, since it exaggerates the correlation between party support and geography. For example, in the UK the Conservative Party represents most of the rural seats in England, and most of the south of England, while the Labour Party represents most of the English cities and most of the north of England. This pattern hides the large number of votes for the non-dominant party. Parties can find themselves without elected politicians in significant parts of the country, heightening feelings of regionalism. Party supporters (who may nevertheless be a significant minority) in those sections of the country are unrepresented. In the 2019 Canadian federal election Conservatives won 98% of the seats in Alberta and Saskatchewan with only 68% of the vote. The lack of non-Conservative representation gives the appearance of greater Conservative support than actually exists. Similarly, in Canada's 2021 elections, the Conservative Party won 88% of the seats in Alberta with only 55% of the vote, and won 100% of the seats in Saskatchewan with only 59% of the vote.


Safe seats

First-past-the-post within geographical areas tends to deliver (particularly to larger parties) a significant number of
safe seat A safe seat is an electoral district (constituency) in a legislative body (e.g. Congress, Parliament, City Council) which is regarded as fully secure, for either a certain political party, or the incumbent representative personally or a combinat ...
s, where a representative is sheltered from any but the most dramatic change in voting behaviour. In the UK, the Electoral Reform Society estimates that more than half the seats can be considered as safe. It has been claimed that members involved in the 2009 expenses scandal were significantly more likely to hold a safe seat. However, other voting systems, notably the party-list system, can also create politicians who are relatively immune from electoral pressure (especially when using a closed-list).


Tactical voting

To a greater extent than many others, the first-past-the-post method encourages "tactical voting". Voters have an incentive to vote for a candidate who they predict is more likely to win, as opposed to their preferred candidate who may be unlikely to win and for whom a vote could be considered as wasted. The position is sometimes summarised, in an extreme form, as "all votes for anyone other than the runner-up are votes for the winner." This is because votes for these other candidates deny potential support from the second-placed candidate, who might otherwise have won. Following the extremely close
2000 U.S. presidential election The 2000 United States presidential election was the 54th quadrennial presidential election, held on Tuesday, November 7, 2000. Republican candidate George W. Bush, the governor of Texas and eldest son of the 41st president, George H. W. Bush ...
, some supporters of
Democratic Democrat, Democrats, or Democratic may refer to: Politics *A proponent of democracy, or democratic government; a form of government involving rule by the people. *A member of a Democratic Party: **Democratic Party (United States) (D) **Democratic ...
candidate
Al Gore Albert Arnold Gore Jr. (born March 31, 1948) is an American politician, businessman, and environmentalist who served as the 45th vice president of the United States from 1993 to 2001 under President Bill Clinton. Gore was the Democratic Part ...
believed one reason he lost to Republican George W. Bush is that a portion of the electorate (2.7%) voted for Ralph Nader of the Green Party, and exit polls indicated that more of them would have preferred Gore (45%) to Bush (27%). This election was ultimately determined by the results from Florida, where Bush prevailed over Gore by a margin of only 537 votes (0.009%), which was far exceeded by the 97488 (1.635%) votes cast for Nader in that state. In Puerto Rico, there has been a tendency for
Independentista Throughout the history of Puerto Rico, its inhabitants have initiated several movements to obtain independence for the island, first from the Spanish Empire from 1493 to 1898 and since then from the United States. A spectrum of pro- autonomy, ...
voters to support
Populares Optimates (; Latin for "best ones", ) and populares (; Latin for "supporters of the people", ) are labels applied to politicians, political groups, traditions, strategies, or ideologies in the late Roman Republic. There is "heated academic dis ...
candidates. This phenomenon is responsible for some Popular victories, even though the Estadistas have the most voters on the island, and is so widely recognised that Puerto Ricans sometimes call the Independentistas who vote for the Populares "melons", because that fruit is green on the outside but red on the inside (in reference to the party colors). Because voters have to predict who the top two candidates will be, results can be significantly distorted: * Some voters will vote based on their view of how others will vote as well, changing their originally intended vote; * Substantial power is given to the media, because some voters will believe its assertions as to who the leading contenders are likely to be. Even voters who distrust the media will know that others ''do'' believe the media, and therefore those candidates who receive the most media attention will probably be the most popular; * A new candidate with no track record, who might otherwise be supported by the majority of voters, may be considered unlikely to be one of the top two, and thus lose votes to tactical voting; * The method may promote votes ''against'' as opposed to votes ''for''. For example, in the UK (and only in the Great Britain region), entire campaigns have been organised with the aim of voting ''against'' the Conservative Party by voting Labour, Liberal Democrat in England and Wales, and since 2015 the SNP in Scotland, depending on which is seen as best placed to win in each locality. Such behaviour is difficult to measure objectively. Proponents of other voting methods in
single-member district A single-member district is an electoral district represented by a single officeholder. It contrasts with a multi-member district, which is represented by multiple officeholders. Single-member districts are also sometimes called single-winner vo ...
s argue that these would reduce the need for tactical voting and reduce the spoiler effect. Examples include preferential voting systems, such as instant runoff voting, as well as the two-round system of runoffs and less tested methods such as
approval voting Approval voting is an electoral system in which voters can select many candidates instead of selecting only one candidate. Description Approval voting ballots show a list of the options of candidates running. Approval voting lets each voter i ...
and Condorcet methods.


Effect on political parties and society

Duverger's law is an idea in political science which says that constituencies that use first-past-the-post methods will lead to two-party systems, given enough time. Economist Jeffrey Sachs explains: However, most countries with first-past-the-post elections have multiparty legislatures (albeit with two parties larger than the others), the United States being the major exception. There is a counter-argument to Duverger's Law, that while on the national level a plurality system may encourage two parties, in the individual constituencies supermajorities will lead to the vote fracturing. It has been suggested that the distortions in geographical representation provide incentives for parties to ignore the interests of areas in which they are too weak to stand much chance of gaining representation, leading to governments that do not govern in the national interest. Further, during election campaigns the campaigning activity of parties tends to focus on marginal seats where there is a prospect of a change in representation, leaving safer areas excluded from participation in an active campaign. Political parties operate by targeting districts, directing their activists and policy proposals toward those areas considered to be marginal, where each additional vote has more value.


Smaller parties may reduce the success of the largest similar party

Under first-past-the-post, a small party may draw votes and seats away from a larger party that it is ''more'' similar to, and therefore give an advantage to one it is ''less'' similar to. For example, in the
2000 United States presidential election The 2000 United States presidential election was the 54th quadrennial United States presidential election, presidential election, held on Tuesday, November 7, 2000. Republican Party (United States), Republican candidate George W. Bush, the gover ...
, the left-leaning Ralph Nader drew more votes from the left-leaning
Al Gore Albert Arnold Gore Jr. (born March 31, 1948) is an American politician, businessman, and environmentalist who served as the 45th vice president of the United States from 1993 to 2001 under President Bill Clinton. Gore was the Democratic Part ...
than his opponent, leading to accusations that Nader was a "spoiler" for the Democrats.


Suppression of political diversity

According to the political pressure group
Make Votes Matter Make Votes Matter is a political pressure group based in the United Kingdom which campaigns for replacing the first-past-the-post voting system with one of proportional representation for elections to the House of Commons of the United Kingdom, ...
, FPTP creates a powerful electoral incentive for large parties to target similar segments of voters with similar policies. The effect of this reduces political diversity in a country because the larger parties are incentivised to coalesce around similar policies. The ACE Electoral Knowledge Network describes India's use of FPTP as a "legacy of British colonialism".


May abet extreme politics

The Constitution Society The Constitution Society is an independent, non-party educational trust based in Westminster, London. It was established in 2009 to promote public understanding of the British Constitution The constitution of the United Kingdom or British ...
published a report in April 2019 stating that, "
n certain circumstances N, or n, is the fourteenth letter in the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is ''en'' (pronounced ), plural ''ens''. History ...
FPTP can ... abet extreme politics, since should a radical faction gain control of one of the major political parties, FPTP works to preserve that party's position. ...This is because the psychological effect of the plurality system disincentivises a major party's supporters from voting for a minor party in protest at its policies, since to do so would likely only help the major party's main rival. Rather than curtailing extreme voices, FPTP today empowers the (relatively) extreme voices of the Labour and Conservative party memberships." Electoral reform campaigners have argued that the use of FPTP in South Africa was a contributory factor in the country adopting the apartheid system after the 1948 general election in that country.


Likelihood of involvement in war

Leblang and Chan found that a country's electoral system is the most important predictor of a country's involvement in war, according to three different measures: (1) when a country was the first to enter a war; (2) when it joined a multinational coalition in an ongoing war; and (3) how long it stayed in a war after becoming a party to it. When the people are fairly represented in parliament, more of those groups who may object to any potential war have access to the political power necessary to prevent it. In a proportional democracy, war and other major decisions generally requires the consent of the majority. The British human rights campaigner Peter Tatchell, and others, have argued that Britain entered the Iraq War primarily because of the political effects of FPTP and that proportional representation would have prevented Britain's involvement in the war.


Manipulation


Gerrymandering

Because FPTP permits many wasted votes, an election under FPTP is more easily gerrymandered. Through gerrymandering, electoral areas are designed deliberately to unfairly increase the number of seats won by one party by redrawing the map such that one party has a small number of districts in which it has an overwhelming majority of votes (whether due to policy, demographics which tend to favour one party, or other reasons), and many districts where it is at a smaller disadvantage.


Manipulation charges

The presence of spoilers often gives rise to suspicions that manipulation of the slate has taken place. A spoiler may have received incentives to run. A spoiler may also drop out at the last moment, inducing charges that dropping out had been intended from the beginning.


Campaigns to replace FPTP

Many countries which use FPTP have active campaigns to switch to proportional representation (e.g. UK and Canada). Most modern democracies use forms of proportional representation (PR). In the case of the UK, the campaign to scrap FPTP has been ongoing since at least the 1970s. However, in both these countries, reform campaigners face the obstacle of large incumbent parties who control the legislature and who are incentivised to resist any attempts to replace the FPTP system that elected them on a minority vote.


Voting method criteria

Scholars rate voting methods using mathematically derived voting method criteria, which describe desirable features of a method. No ranked preference method can meet all the criteria, because some of them are mutually exclusive, as shown by results such as Arrow's impossibility theorem and the Gibbard–Satterthwaite theorem.


FPTP as a single-winner system


FPTP used in single-member constituencies to elect assemblies (SMP)


Countries using FPTP/SMP


Heads of state elected by FPTP

* Angola * Bosnia and Herzegovina (one for each main ethnic group) * Cameroon * Democratic Republic of the Congo *
Equatorial Guinea Equatorial Guinea ( es, Guinea Ecuatorial; french: Guinée équatoriale; pt, Guiné Equatorial), officially the Republic of Equatorial Guinea ( es, link=no, República de Guinea Ecuatorial, french: link=no, République de Guinée équatoria ...
* The Gambia *
Honduras Honduras, officially the Republic of Honduras, is a country in Central America. The republic of Honduras is bordered to the west by Guatemala, to the southwest by El Salvador, to the southeast by Nicaragua, to the south by the Pacific Oce ...
* Iceland * Kiribati * Malawi * Mexico * Nicaragua *
Palestine __NOTOC__ Palestine may refer to: * State of Palestine, a state in Western Asia * Palestine (region), a geographic region in Western Asia * Palestinian territories, territories occupied by Israel since 1967, namely the West Bank (including East ...
* Panama * Paraguay * Philippines *
Rwanda Rwanda (; rw, u Rwanda ), officially the Republic of Rwanda, is a landlocked country in the Great Rift Valley of Central Africa, where the African Great Lakes region and Southeast Africa converge. Located a few degrees south of the Equator ...
* Singapore * South Korea * Republic of China (Taiwan) -
constitutional amendment A constitutional amendment is a modification of the constitution of a polity, organization or other type of entity. Amendments are often interwoven into the relevant sections of an existing constitution, directly altering the text. Conversely, t ...
, from 1996 * Tanzania * Venezuela


Legislatures elected exclusively by FPTP/SMP

The following is a list of countries currently following the first-past-the-post voting system for their national legislatures. *
Antigua and Barbuda Antigua and Barbuda (, ) is a sovereign country in the West Indies. It lies at the juncture of the Caribbean Sea and the Atlantic Ocean in the Leeward Islands part of the Lesser Antilles, at 17°N latitude. The country consists of two maj ...
* Azerbaijan * Bahamas * Bangladesh * Barbados * Belarus * Belize * Bhutan (both houses) * Botswana * Canada (for the
lower house A lower house is one of two Debate chamber, chambers of a Bicameralism, bicameral legislature, the other chamber being the upper house. Despite its official position "below" the upper house, in many legislatures worldwide, the lower house has co ...
only) *
Dominica Dominica ( or ; Kalinago: ; french: Dominique; Dominican Creole French: ), officially the Commonwealth of Dominica, is an island country in the Caribbean. The capital, Roseau, is located on the western side of the island. It is geographically ...
* Dominican Republic *
Eritrea Eritrea ( ; ti, ኤርትራ, Ertra, ; ar, إرتريا, ʾIritriyā), officially the State of Eritrea, is a country in the Horn of Africa region of Eastern Africa, with its capital and largest city at Asmara. It is bordered by Ethiopia ...
*
Eswatini Eswatini ( ; ss, eSwatini ), officially the Kingdom of Eswatini and formerly named Swaziland ( ; officially renamed in 2018), is a landlocked country in Southern Africa. It is bordered by Mozambique to its northeast and South Africa to its no ...
* Ethiopia * The Gambia * Ghana *
Grenada Grenada ( ; Grenadian Creole French: ) is an island country in the West Indies in the Caribbean Sea at the southern end of the Grenadines island chain. Grenada consists of the island of Grenada itself, two smaller islands, Carriacou and Pe ...
* India (for the
lower house A lower house is one of two Debate chamber, chambers of a Bicameralism, bicameral legislature, the other chamber being the upper house. Despite its official position "below" the upper house, in many legislatures worldwide, the lower house has co ...
only) * Jamaica * Kenya *
Liberia Liberia (), officially the Republic of Liberia, is a country on the West African coast. It is bordered by Sierra Leone to Liberia–Sierra Leone border, its northwest, Guinea to its north, Ivory Coast to its east, and the Atlantic Ocean ...
* Malaysia * Malawi * Maldives * Micronesia *
Myanmar Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...
(both houses) * Nigeria (both houses) * Palau (both houses) * Poland (for upper house only) * Qatar * Saint Kitts and Nevis *
Saint Lucia Saint Lucia ( acf, Sent Lisi, french: Sainte-Lucie) is an island country of the West Indies in the eastern Caribbean. The island was previously called Iouanalao and later Hewanorra, names given by the native Arawaks and Caribs, two Amerindian ...
* Saint Vincent and the Grenadines * Samoa * Sierra Leone * Solomon Islands * Tonga * Trinidad and Tobago * Uganda * United Kingdom * United States (both houses) - see footnote * Yemen * Zambia Subnational legislatures * Cook Islands (New Zealand) * US Virgin Islands * Bermuda *
Cayman Islands The Cayman Islands () is a self-governing British Overseas Territory—the largest by population in the western Caribbean Sea. The territory comprises the three islands of Grand Cayman, Cayman Brac and Little Cayman, which are located to the ...
* British Virgin Islands Footnote: Prior to the
2020 election This national electoral calendar for 2020 lists the national/federal elections held in 2020 in all sovereign states and their dependent territories. By-elections are excluded, though national referendums are included. January *5 January: **Cro ...
, the US states of Alaska and Maine completely abandoned FPTP in favor of
ranked-choice voting Ranked-choice voting may be used as a synonym for: * Ranked voting, a term used for any voting system in which voters are asked to rank candidates in order of preference * Instant-runoff voting (IRV), a specific ranked voting system with single-w ...
or RCV. In the US, 48 of the 50 states and the District of Columbia use FPTP to choose the electors of the Electoral College (which in turn elects the president); Maine and Nebraska use a variation where the electoral vote of each congressional district is awarded by FPTP, and the statewide winner is awarded an additional two electoral votes. In states that employ FPTP, the presidential candidate gaining the greatest number of votes wins all the state's available electors (seats), regardless of the number or share of votes won, or the difference separating the leading candidate and the first runner-up.


Use of FPTP/SMP in mixed systems for electing legislatures

The following countries use FPTP/SMP to elect part of their national legislature, in different types of mixed systems. Alongside block voting (fully majoritarian systems) or as part of mixed-member majoritarian systems (semi-proportional representation) * Brazil – in the Federal Senate, alongside
plurality block voting Plurality block voting, also known as plurality-at-large voting, block vote or block voting (BV) is a non- proportional voting system for electing representatives in multi-winner elections. Each voter may cast as many votes as the number of sea ...
(alternating elections) * Cote d'Ivoire – in single-member electoral districts, alongside
party block voting The general ticket, also known as party block voting (PBV) or ticket voting, is a type of block voting in which voters opt for a party, or a team's set list of candidates, and the highest-polling party/team becomes the winner. Unless specifically ...
* Iran – in single-member electoral districts for Khobregan, alongside
plurality block voting Plurality block voting, also known as plurality-at-large voting, block vote or block voting (BV) is a non- proportional voting system for electing representatives in multi-winner elections. Each voter may cast as many votes as the number of sea ...
* Marshall Islands – in single-member electoral districts, alongside
plurality block voting Plurality block voting, also known as plurality-at-large voting, block vote or block voting (BV) is a non- proportional voting system for electing representatives in multi-winner elections. Each voter may cast as many votes as the number of sea ...
* Oman – in single-member electoral districts, alongside
plurality block voting Plurality block voting, also known as plurality-at-large voting, block vote or block voting (BV) is a non- proportional voting system for electing representatives in multi-winner elections. Each voter may cast as many votes as the number of sea ...
* Pakistan – alongside seats distributed proportional to seats already won * Singapore – in single-member electoral districts, alongside
plurality block voting Plurality block voting, also known as plurality-at-large voting, block vote or block voting (BV) is a non- proportional voting system for electing representatives in multi-winner elections. Each voter may cast as many votes as the number of sea ...
* South Korea – as part is a mixed system (AMS and parallel voting) * Republic of China (Taiwan) – as part is a mixed system (parallel voting) As part of mixed-member proportional (MMP) or additional member systems (AMS) *
Bolivia , image_flag = Bandera de Bolivia (Estado).svg , flag_alt = Horizontal tricolor (red, yellow, and green from top to bottom) with the coat of arms of Bolivia in the center , flag_alt2 = 7 × 7 square p ...
* Germany *
Lesotho Lesotho ( ), officially the Kingdom of Lesotho, is a country landlocked country, landlocked as an Enclave and exclave, enclave in South Africa. It is situated in the Maloti Mountains and contains the Thabana Ntlenyana, highest mountains in Sou ...
* New Zealand Subnational legislatures * Scotland (United Kingdom) * Wales (United Kingdom) Local elections *
Greater London Greater may refer to: *Greatness, the state of being great *Greater than, in inequality (mathematics), inequality *Greater (film), ''Greater'' (film), a 2016 American film *Greater (flamingo), the oldest flamingo on record *Greater (song), "Greate ...
(United Kingdom; not a legislature) * Certain municipalities in South Africa


Former use

* Argentina (The
Chamber of Deputies The chamber of deputies is the lower house in many bicameral legislatures and the sole house in some unicameral legislatures. Description Historically, French Chamber of Deputies was the lower house of the French Parliament during the Bourbon R ...
uses party list PR. Only twice used FPTP, first between 1902 and 1905 used only in the elections of 1904, and the second time between 1951 and 1957 used only in the elections of 1951 and
1954 Events January * January 1 – The Soviet Union ceases to demand war reparations from West Germany. * January 3 – The Italian broadcaster RAI officially begins transmitting. * January 7 – Georgetown-IBM experiment: The fir ...
.) *
Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
(replaced by
IRV IRV or Irv or ''variant'', may refer to: *Instant-runoff voting, a type of ranked preferential voting counting method used in single-seat elections with more than two candidates *Irvine railway station, North Ayrshire, Scotland (National Rail stat ...
in 1918 for both the House of Representatives and the
Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...
, with STV being introduced to the Senate in 1948) * Belgium (adopted in 1831, replaced by party list PR in 1899)— the Member of the European Parliament for the German-speaking electoral college is still elected by FPTP * Cyprus (replaced by proportional representation in 1981) * Denmark (replaced by proportional representation in 1920) * Hong Kong (adopted in 1995, replaced by party list PR in 1998) *
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
(replaced by parallel voting in
1993 File:1993 Events Collage.png, From left, clockwise: The Oslo I Accord is signed in an attempt to resolve the Israeli–Palestinian conflict; The Russian White House is shelled during the 1993 Russian constitutional crisis; Czechoslovakia is peace ...
) * Lebanon (replaced by proportional representation in June 2017) *
Lesotho Lesotho ( ), officially the Kingdom of Lesotho, is a country landlocked country, landlocked as an Enclave and exclave, enclave in South Africa. It is situated in the Maloti Mountains and contains the Thabana Ntlenyana, highest mountains in Sou ...
(replaced by MMP
Party list An electoral list is a grouping of candidates for election, usually found in proportional or mixed electoral systems, but also in some plurality electoral systems. An electoral list can be registered by a political party (a party list) or can ...
in 2002) * Malta (replaced by STV in 1921) * Mexico (replaced by parallel voting in 1977) * Nepal (replaced by parallel voting) * Netherlands (replaced by party list PR in 1917) * New Zealand (replaced by MMP in 1996) * Papua New Guinea (replaced by
IRV IRV or Irv or ''variant'', may refer to: *Instant-runoff voting, a type of ranked preferential voting counting method used in single-seat elections with more than two candidates *Irvine railway station, North Ayrshire, Scotland (National Rail stat ...
in 2002) * Philippines (replaced by parallel voting in 1998 for House of Representatives elections, and by
multiple non-transferable vote The multiple non-transferable vote (MNTV) is a group of voting system, in which voters elect several representatives at once, with each voter having more than one vote. MNTV uses multi-member electoral districts or only one district, which conta ...
in 1941 for Senate elections) * Portugal (replaced by party list PR) * South Africa (replaced by party list PR in 1994) * Tanzania (replaced by parallel voting in 1995)


See also

* Cube rule *
Deviation from proportionality 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 geographical (e.g. states, regions) and political divis ...
* Plurality-at-large voting *
Approval voting Approval voting is an electoral system in which voters can select many candidates instead of selecting only one candidate. Description Approval voting ballots show a list of the options of candidates running. Approval voting lets each voter i ...
*
Single non-transferable vote Single non-transferable vote or SNTV is an electoral system used to elect multiple winners. It is a generalization of first-past-the-post, applied to multi-member districts with each voter casting just one vote. Unlike FPTP, which is a single-winn ...
* Single transferable vote


References


External links


A handbook of Electoral System Design
fro
International IDEA

ACE Project: What is the electoral system for Chamber1 of the national legislature?


detailed explanation of first-past-the-post voting
ACE Project: Electing a President using FPTP

ACE Project: FPTP on a grand scale in India

The Citizens' Assembly on Electoral Reform says the new proportional electoral system it proposes for British Columbia will improve the practice of democracy in the province.

Vote No to Proportional Representation BC


* ttp://www.game-point.net/misc/election2005/ The Problem With First-Past-The-Post Electing (data from UK general election 2005)*
The fatal flaws of First-past-the-post electoral systems
{{DEFAULTSORT:First-Past-The-Post Single-winner electoral systems