Bloc voting

Bloc voting (or block voting) (also called Plurality-at-large) refers to a class of voting systems which can be used to elect several representatives from a single constituency.

Related Topics:
Voting system - Constituency

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In first past the post bloc voting, each voter places n Xs on the ballot paper, where n is the number of candidates to be elected. The n candidates with the highest number of votes are elected.

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The bloc voting system has a number of features which can make it unrepresentative of the voters' intentions. Bloc voting regularly produces complete landslide majorities for the group of candidates with the highest level of support since a group of clones of the top-place candidate is guarenteed to win every available seat. Although less representative, this does tend to lead to greater agreement among those elected. Like first past the post methods, small cohesive groups of voters can overpower larger numbers of disorganised voters who do not engage in tactical voting. Systems that better represent the entire population are STV and cumulative voting.

Related Topics:
Landslide - Clones - First past the post - Tactical voting - STV - Cumulative voting

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Bloc voting has its origins in common law. It was used in the Australian Senate from 1901 to 1948 (from 1918, this was preferential bloc voting), is widely used for local elections in the UK and is often used to elect the boards of directors of corporations.

Related Topics:
Common law - Australian Senate - 1901 - 1948 - 1918 - UK

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Partial block voting (or Limited-voting) involves each voter receiving fewer votes than the number of candidates to be elected. This can enable reasonably sized minorities to achieve some representation. It is used for elections in Gibraltar, where each voter has 8 votes, and 15 seats are open for election: the usual result is that the most popular party wins 8 seats and forms the Gibraltar administration, while the second most popular wins 7 seats and forms the opposition. If each voter only receives one vote then partial bloc voting reduces to a single non-transferable vote.

Related Topics:
Elections in Gibraltar - Gibraltar - Single non-transferable vote

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In preferential bloc voting, each voter places the numbers 1, 2, ..., n on the ballot paper (where n is the number of candidates on the ballot paper). Candidates with the smallest tally of first preference votes are eliminated (and their votes transferred) until a candidate has more than half the vote. The count is repeated with the elected candidates removed and all votes returning to full value until the required number of candidates are elected.

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