Primary definition
Another term for Mixed Member Proportional System .
Also known asMMP · Mixed Member Proportional · Mixed Member Proportional Representation · Mixed Member System
1 sources cited4 related termsReviewed Aug 9, 2026
— ACE Electoral Systems GlossaryView source
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ACE
Another term for Mixed Member Proportional System .
ACE Electoral Systems Glossary · 2024
Cite this term
Permanent URL · stable across revisions
Election Security Glossary. (2026). Additional Member System. In Election Security Glossary. Retrieved August 20, 2026, from https://electionsecurityglossary.com/glossary/additional-member-system
Sources
1 cited · last checked Aug 9, 2026
01
ACE Electoral Systems Glossary
ACE Electoral Systems Glossary
Single-source
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