MMP has been used for parliamentary elections in New Zealand since 1996.
It has been used for federal parliamentary elections in Germany for more than sixty years. MMP is also used for elections to all the state parliaments in Germany, as well as for elections to the Scottish Parliament and the Welsh Assembly.
What are other names for Mixed Member Proportional (MMP)?
In the United Kingdom, MMP is sometimes known as AMS (which stands for Additional Member System) . Political scientists have classified MMP as an example of a two-tier compensatory proportional representation voting system.