Proportional representation is a type of electoral system that decides the make-up of a parliament by allocating seats on the basis of the number of votes each party received. Although there are many different types of PR, this is the base requirement for a system to be described as proportional.
Rather than the winner-take all approach of other systems, PR ensures that votes carry equal weight. To do this, multi-member constituencies are used. This means that a single area elects more than one representative. The size of this area can vary according to the system, ranging from the size of the whole country to a county or local vicinity.
You can read more about some of the myths surrounding Proportional Representation on our blog.
|Proportional Representation||Mixed Systems||Majoritarian Systems|
|More representative as seats are distributed according to vote share.||Combines the features of majoritarian-style systems and Proportional Representation.||Systems that are highly disproportional.|
|Single Transferable Vote||Additional Member System||First Past the Post|
|Party List PR||Alternative Vote Plus||Alternative Vote|
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