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Historical Values
Year Value
2025 chamber name: House of Councillors (Sangiin) number of seats: 248 (all directly elected) electoral system: mixed system scope of elections: partial renewal term in office: 6 years most recent election date: 10/27/2024 parties elected and seats per party: Liberal Democratic Party (LDP) (39); Constitutional Democratic Party of Japan (22); Democratic Party for the People (17); Sanseito (14); Komeito (8); Nippon Ishin (Japan Innovation Party) (7); Independents (8); Other (10) percentage of women in