The National Assembly for Wales is a devolved assembly with power to make legislation in Wales. It is commonly also known as the Welsh Assembly. The Assembly comprises 60 members, who are known as Assembly Members, or AMs (Aelod y Cynulliad). Members are elected for five-year terms under an additional members system, where 40 AMs represent geographical constituencies elected by the plurality system, and 20 AMs represent five electoral regions using the d'Hondt method of proportional representation.