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Plurality voting

Plurality voting refers to electoral systems in which the candidates in an electoral district who poll more than any other (that is, receive a plurality) are elected.[1]

Under single-winner plurality voting, and in systems based on single-member districts, plurality voting is called single member [district] plurality (SMP),[2][3] which is widely known as "first-past-the-post". In SMP/FPTP the leading candidate, whether or not they have a majority of votes, is elected.[4]

There are several versions of plurality voting for multi-member district.[5] The system that elects multiple winners at once with the plurality rule and where each voter casts multiple X votes in a multi-seat district is referred to as plurality block voting. A semi-proportional system that elects multiple winners elected at once with the plurality rule and where each voter casts just one vote in a multi-seat district is known as single non-transferable voting.

Plurality voting is widely used throughout the English-speaking world as a result of its spread by the British Empire, including in most of the United States. Outside of the English-speaking world, it is less popular[citation needed] than its close relatives in the runoff family of methods. Overall, more countries in the world use a form of proportional representation than use plurality or a form of runoff.[6]

  1. ^ Mudambi, Navarra & Nicosia 1996, p. 341.
  2. ^ "Single Member Plurality". www.sfu.ca. Retrieved 14 May 2024.
  3. ^ "Plurality-Majority Systems". Mtholyoke.edu. Retrieved 8 May 2010.
  4. ^ Cooper, Duane; Zillante, Arthur (January 2012). "A comparison of cumulative voting and generalized plurality voting". Public Choice. 150 (1–2): 363–383. doi:10.1007/s11127-010-9707-5. ISSN 0048-5829. S2CID 154416463.
  5. ^ "Plurality Electoral Systems —". aceproject.org. Retrieved 14 May 2024.
  6. ^ "How many countries around the world use proportional representation?". www.electoral-reform.org.uk. Retrieved 27 September 2024.

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