VOTERS will have two ballot papers - one for their relevant constituency, which is a "first-past-the-post election", the second for the regional South Wales East election, which is decided by proportional representation.
For each constituency, the candidate with the most votes becomes the AM.
Four more Assembly Members are elected from the regional list using the Additional Member System.
The number of votes cast for each party on the electors' second ballot paper per region is counted first, then this total is divided by the number of constituency seats won by that party under first-past-the-post, plus one.
The party with the highest score takes the first regional place. The calculation is repeated three times to decide the second, third and fourth AMs.
The Assembly believes this system means each party's representation in the Assembly reflects its share of the vote better than first-past-the-post, and is one reason why there are so many candidates on the regional list.
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