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The Math of Voting Methods

There is more than one way to decide an election. U.S. voters use the plurality method--voters choose one candidate; the winner is the candidate who receives the most votes. But other methods allow voters to vote for more than one candidate. Those methods include ranking the candidates in order from best to worst (Borda Count), dividing points among the candidates (Weighted Voting), comparing one candidate to another (Condorcet Method), and identifying which candidate(s) are acceptable (Approval).

Different voting methods can give very different results. Is there a single method that would be the most fair?

Elections-19 

Elections in the United States

Other Voting Methods

The Math


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