Strength of the Political Groups in the House of Councillors

(As of April 29,2025)

Political Groups in the House Number of Members Abbreviation
Liberal Democratic Party 113 (22) LDP
The Constitutional Democratic Party of Japan and Social Democratic Party and the Independent 41 (18) CDP
Komeito 27 (3) KP
Nippon Ishin(Japan Innovation Party) 17 (4) JIP
Democratic Party For the People and The Shin-Ryokufukai 12 (4) DPFP-SR
Japanese Communist Party 11 (4) JCP
REIWA SHINSENGUMI 5 (1)
Okinawa Whirlwind 2 (0) OW
The Party to Protect People from NHK 2 (0) NHK Party
Independents 10 (5) None
INCUMBENTS 240 (61) -
Vacancies 8 -
MEMBERSHIP 248 -

Notes: Figures in parentheses show the number of women members.

Most house members belong to political groups, which is formed based on their political parties. On this Web site, the names of the political groups are abbreviated as listed above for layout reasons. These abbreviations are not the official abbreviations for the various political groups.