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Proportional Representation Systems

Voting systems that allocate legislative seats in proportion to votes, including party-list, mixed-member and single transferable vote forms. A mechanism belongs here when its cited article describes proportional allocation of seats. The group sits under the Electoral Systems and Voting Methods subcategory of the Political Atlas and helps a reader browse that subcategory by the kind of rule each mechanism sets. Each member is placed on the strength of the article it cites, so a reader can follow the grouping back to a stated source.

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Proportional Representation Systems
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Party-list proportional representation (Wikipedia)
Has Member: Party-List Proportional Representation, Lead paragraph
Quote, Has Member: Party-List Proportional Representation, Lead paragraph
is a system of proportional representation based on preregistered political parties
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Mixed-Member Proportional Representation (Wikipedia)
WikipediaHas Member: Mixed-Member Proportional Representation, Lead paragraph
Quote, Has Member: Mixed-Member Proportional Representation, Lead paragraph
in a way that produces proportional representation overall
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Proportional representation (Wikipedia)
Has Member: Proportional Representation, Lead paragraph
Quote, Has Member: Proportional Representation, Lead paragraph
Proportional representation (PR) is achieved by any electoral system under which subgroups of an electorate are reflected proportionately in the elected body.
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Single transferable vote (Wikipedia)
Has Member: Single Transferable Vote, Lead paragraph
Quote, Has Member: Single Transferable Vote, Lead paragraph
The single transferable vote (STV) or proportional-ranked choice voting (P-RCV), also known as PR-STV and "proportional representation by means of the single transferable vote", is a multi-winner electoral system in which each voter casts a single vote in the form of a ranked ballot.
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