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What is the Additional Members System?

The Additional Members System is a type of voting system. In the UK it is used to elect politicians to the Scottish Parliament and the Welsh Assembly. It’s often abbreviated to AMS.

It is considered a hybrid voting system because it is a mixture of First Past The Post (FPTP) and Proportional Representation.

In AMS voters have two votes. The first vote is for an individual candidate and the result is decided using a FPTP system.

The second vote is for a political party and some of the seats are awarded using a Party List system.

Related content:

What is Proportional Representation?

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