Additional Member System

The Additional Member System (AMS), also known as mixed-member proportional representation (MMP) outside of the United Kingdom is a hybrid two-tier mixed-member system which varies in proportionality. The term AMS is used in Scotland, Wales, and the London Assembly.

Additional Member System

The Additional Member System (AMS), also known as mixed-member proportional representation (MMP) outside of the United Kingdom is a hybrid two-tier mixed-member system which varies in proportionality. The term AMS is used in Scotland, Wales, and the London Assembly.