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ROPORTIONAL REPRESENTATION
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Proportional representation, electoral system that seeks to create a representative body that reflects the overall distribution of public support for each political party. Where majority or plurality systems effectively reward strong parties and penalize weak ones by providing the representation of a whole constituency to a single candidate who may have received fewer than half of the votes cast (as is the case, for example, in the United States), proportional representation ensures minority groups a measure of representation proportionate to their electoral support. Systems of proportional representation have been adopted in many countries, including Belgium, Denmark, Finland, Greece, Hungary, Israel, Italy, Luxembourg, Norway, Russia, Spain, Sweden, and Switzerland.