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Single transferable vote facts for kids

Kids Encyclopedia Facts

Single transferable vote (STV for short) is a type of voting system that gives proportional representation. It is used to elect more than one person (though it becomes Instant Runoff Voting in one-winner elections), and voters rank the candidates when voting.

How to vote in an STV election

Write a number "1" next to your favourite candidate, a number "2" next to your second favourite, a number "3" next to your third favourite and so on.

How votes are counted

Each candidate needs a certain number of votes to be elected. This number depends on how many people are voting and on how many people are to be elected.

Then the number "1" votes for each candidate are counted. But it can happen that one candidate or several candidates have more than the needed number of votes. These candidates are elected. But since they have more votes than they needed, they pass on the votes which they do not need to other candidates. Which candidate or candidates get those "surplus" votes depends on the voters' number of "2" votes given on the ballots papers of the candidates that have already been elected. If those number "2" votes make another candidate win and give them too many votes, this new "surplus" is passed on again, using number "3" votes, and so on.

If not enough candidates have been elected so far, the candidate with the fewest votes is excluded. Votes for this candidate are passed on to the candidate given as the next preference of each of his voters (the next higher number in each listing of candidates). This may help to elect another candidate. If not, the next candidate which now has the fewest votes is excluded.

Passing on the "surplus" votes and excluding the weakest candidates goes on until the needed number of candidates has been elected.

Places that use STV

Images for kids

  • Ballot paper for the 2016 ACT election

    A single transferable vote ballot paper for the electorate of Brindabella in the 2016 Australian Capital Territory general election

  • Carl Christoffer Georg Andræ

    Carl Andræ

  • Thare

    Thomas Hare

  • Victorian-senate-paper-folded-01

    Australian Senate ballot paper used in Victoria for 2016

See also

Kids robot.svg In Spanish: Voto único transferible para niños

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