noun
electoral system; voting system
Refers to the set of rules governing how elections are conducted and how votes are translated into seats.
日本の選挙制度は、小選挙区比例代表並立制です。
Japan's electoral system is a parallel system combining single-seat constituencies and proportional representation.
選挙制度の改革が議論されている。
Reform of the electoral system is being discussed.
Compound of 選挙 (せんきょ, 'election') and 制度 (せいど, 'system').