Home > 3.2 Proportional systems > Report on Electoral Systems - Overview of available solutions and selection criteria
 
 
 
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The contingency vote applied in the context of a proportional representation ballot is known as the single transferable vote. It is used principally in Ireland and in Australia for elections to the upper House. As in the case of the alternative vote, vote counting is a relatively complexoperation. This is how it works. First, a count is made of the number of first preferences obtained by the competing candidates. Any candidate obtaining the electoral quota is declared elected. If no candidate satisfies this condition, the one who obtained the fewest first preferences is eliminated. The second preferences on the ballot papers are then taken into consideration. A new total is worked out to see whether one or more candidates has obtained the electoral quota. Once a candidate has been elected, his or her name is deleted from all the ballot papers.