An electoral system in which two or more sets of representatives are elected to the same chamber by the entire electorate of a country. The multiple tiers may be electoral districts defined at different levels within a country, for example, single-member districts and regions, or regions and the country as a whole. Systems in which two distinct sets of representatives are elected from the same level are also multiple-tier systems. All mixed systems are multiple-tier systems.
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An electoral system in which two or more sets of representatives are elected to the same chamber by the entire electorate of a country. The multiple tiers may be electoral districts defined at different levels within a country, for example, single-member districts and regions, or regions and the country as a whole. Systems in which two distinct sets of representatives are elected from the same level are also multiple-tier systems. All mixed systems are multiple-tier systems.
Cite this term
Election Security Glossary. (2026). Multiple Tier System. In Election Security Glossary. Retrieved August 15, 2026, from https://electionsecurityglossary.com/glossary/multiple-tier-system
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