Majority rule

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Majority rule is the principle that a group which has more than half of all voters should be allowed to make the decisions for a group. Majority rule is the binary decision rule most often used in decision-making bodies, including many legislatures of democratic nations. Where no one party wins a majority of the seats in a legislature, the majority of legislators that wields power is partly composed of members of other parties in support.

Where only two candidates are competing for a single seat, one or the other will receive a simple majority of valid votes, unless they tie. But in situations where more than two are competing for a single seat, simple plurality is sometimes considered as close as possible to majority in which case having plurality is enough to be elected, while in some systems such as instant-runoff voting special efforts are made to ensure that the winner is in fact the majority choice even where three or more are competing for the same office. However, that does not always happen.^[1]

Where multiple members are elected in a district as may happen under proportional representation or plurality block voting, no candidate may receive a majority of votes cast. Under block voting, the winners, usually of just one party, often have received only a minority of the votes cast.