The House of Councillors is the upper house of the National Diet of Japan. The House of Councillors consists of 248 seats, 148 in constituencies and 100 in the national proportional representation block.
Term of Office The term of office of members of the House of Councillors is six years, but half of them are elected every three years, so even if the House of Councillors election is held on the same day as the House of Representatives general election, half of them exist in the House of Councillors. +Current termTerm startTerm endNoteClass of 2022July 26, 2022July 25, 2028Members were elected in the 2022 Japanese House of Councillors election.Class of 2025July 29, 2025July 28, 2031Members were elected in the 2025 Japanese House of Councillors election.
Parliamentary groups As of February 15, 2026, after the 220th National Diet session. OfficeMember PartyBornConstituency PresidentMasakazu Sekiguchi LDPSaitamaVice PresidentTetsuro Fukuyama CDPKyoto
PartySeatsClass of 2022Class of 2025TotalGroupGovernment7347120LDP and IndependentLDP6139100101 Independent011Ishin Ishin1271919Opposition4675121CDP and Independents CDP17213840 Independent022DPFP DPFP7182525KomeitoKomeito1382121Sanseitō Sanseitō1141515JCP JCP4377Reiwa Reiwa2355CPJ CPJ0222Okinawa Whirlwind Independent1122Team Mirai and the Independent Team Mirai0112 Independent011SDP SDP1122Unaffiliated426Not in parliamentary groups President (LDP)1016 Vice President (CDP)101Independent224Vacant101Tokyo (2022 class, seat previously held by Reiwa Shinsengumi)1011Total124124248
Vacancies Tokyo: Taro Yamamoto (Reiwa) Seat has been vacant since Yamamoto's resignation on January 21, 2026 due to poor health. No by-election has been held per the ; the threshold of one-quarter of district seats has not been met.
Members in Constituencies Members in six-member constituencies
ConstituencyClassPlaceMemberPartyBornNoteTokyoClass of 2022#1Kentaro Asahi LDP#2Toshiko Takeya Komeito#3Taku Yamazoe JCP#4Akiko Ikuina LDP#5Vacant#6Ayaka Shiomura CDPClass of 2025#1Daichi Suzuki LDP#2Saya Sanseitō#3Mayu Ushida DPP#4Yudai Kawamura Komeito#5Yoshihiro Okumura DPP#6Yoshiko Kira JCP
Members in four-member constituencies
ConstituencyClassPlaceMemberPartyBornNoteAichiClass of 2022#1Masahito Fujikawa LDP#2Ryūji Satomi Komeito#3Yoshitaka Saitō CDP#4Takae Itō DPPClass of 2025#1Koichi Mizuno DPP#2Maiko Tajima CDP#3Junko Sugimoto Sanseitō#4Yasuyuki Sakai LDPKanagawaClass of 2022#1Junko Mihara LDP#2Shigefumi Matsuzawa Ishin#3Nobuhiro MiuraKomeito#4Keiichiro Asao LDPClass of 2025#1Hiroe Makiyama CDP#2Akihiro Kagoshima DPP#3Masaaki Waki LDP#4Hiroki Hazikano SanseitōOsakaClass of 2022#1Kaori Takagi Ishin#2Rui Matsukawa LDP#3Hitoshi Asada Ishin#4Hirotaka IshikawaKomeitoClass of 2025#1Rie Sasaki Ishin#2Futoshi Okazaki Ishin#3Chisato Miyade Sanseitō#4Hisatake Sugi KomeitoSaitamaClass of 2022#1Masakazu Sekiguchi LDP#2Kiyoshi Ueda DPPElected as an independent; became a DPP member in September 2025.#3Makoto NishidaKomeito#4Mari Takagi CDPClass of 2025#1Toshiharu Furukawa LDP#2Kumiko Ehara DPP#3Hiroto Kumagai CDP#4Tsutomu Ōtsu Sanseitō
Members in three-member constituencies
ConstituencyClassPlaceMemberPartyBornNoteChibaClass of 2022#1Shoichi Usui LDP#2Kuniko Inoguchi LDP#3Hiroyuki Konishi CDPClass of 2025#1Sayaka Kobayashi DPP#2Hiroyuki Nagahama CDP#3Junichi Ishii LDPFukuokaClass of 2022#1Satoshi Ōie LDP#2Yukihito Koga CDP#3Kōzō Akino KomeitoClass of 2025#1Masaji Matsuyama LDP#2Yūko Nakada Sanseitō#3Rokuta Shimono KomeitoHokkaidoClass of 2022#1Gaku Hasegawa LDP#2Eri Tokunaga CDP#3Toshimitsu Funahashi LDPClass of 2025#1Harumi Takahashi LDP#2Kenji Katsube CDP#3Tsuyohito Iwamoto LDPHyōgoClass of 2022#1Daisuke Katayama Ishin#2Shinsuke Suematsu LDP#3Takae Itō KomeitoClass of 2025#1Fusaho Izumi Independent#2Mitsuo Takahashi Komeito#3Hiroyuki Kada LDP
Members in two-member constituencies
ConstituencyClassPlaceMemberPartyBornNoteHiroshimaClass of 2022#1Yoichi Miyazawa LDP#2Eri Mikami CDPClass of 2025#1Hidenori Nishita LDP#2Shinji Morimoto CDPIbarakiClass of 2022#1Akiyoshi Kato LDP#2Makiko Dōgomi DPPElected as an independent; became a DPP member in December 2025.Class of 2025#1Ryōsuke Kōzuki LDP#2 Shoko Sakurai SanseitōKyotoClass of 2022#1Akira Yoshii LDP#2Tetsuro Fukuyama CDPClass of 2025#1Shohei Niimi Ishin#2Shoji Nishida LDPShizuokaClass of 2022#1Yohei Wakabayashi LDP#2Sachiko Hirayama IndependentClass of 2025#1Kazuya Shimba DPP#2Takao Makino LDP
Members in single-member constituencies
ConstituencyClassMemberPartyBornNoteAkitaClass of 2022Hiroo Ishii LDPClass of 2025Shizuka Terata IndependentAomoriClass of 2022Masayo Tanabu CDPClass of 2025Masumi Fukushi CDPEhimeClass of 2022Junzo Yamamoto LDPClass of 2025Takako Nagae IndependentFukuiClass of 2022Masaaki Yamazaki LDPClass of 2025Hirofumi Takinami LDPFukushimaClass of 2022Hokuto Hoshi LDPClass of 2025Masako Mori LDPGifuClass of 2022Takeyuki Watanabe LDPClass of 2025Atsuko Wakai LDPGunmaClass of 2022Hirofumi Nakasone LDPClass of 2025Masato Shimizu LDPIshikawaClass of 2022Naoki Okada LDPClass of 2025Shuji Miyamoto LDPIwateClass of 2022Eiji Kidoguchi CDPClass of 2025Takanori Yokosawa CDPKagawaClass of 2022Yoshihiko Isozaki LDPClass of 2025Hidekazu Harada DPPKagoshimaClass of 2022Tetsuro Nomura LDPClass of 2025Tomomi Otsuji IndependentKumamotoClass of 2022Yoshifumi Matsumura LDPClass of 2025Seishi Baba LDPMieClass of 2022Sachiko Yamamoto LDPClass of 2025Tomoko Kojima CDPMiyagiClass of 2022Mitsuru Sakurai LDPClass of 2025Noriko Ishigaki CDPMiyazakiClass of 2022Shinpei Matsushita LDPClass of 2025Kanako Yamauchi CDPNaganoClass of 2022Hideya Sugio CDPClass of 2025Jiro Hata CDPNagasakiClass of 2022Keisuke Yamamoto LDPClass of 2025Yuichiro Koga LDPNaraClass of 2022Kei Satō LDPClass of 2025Iwao Horii LDPNiigataClass of 2022Kazuhiro Kobayashi LDPClass of 2025Sakura Uchikoshi CDPŌitaClass of 2022Harutomo Kosho LDPClass of 2025Tadatomo Yoshida CDPOkayamaClass of 2022Kimi Onoda LDPClass of 2025Koichiro Kobayashi LDPOkinawaClass of 2022Yōichi Iha IndependentClass of 2025Sachika Takara IndependentSagaClass of 2022Takamaro Fukuoka LDPClass of 2025Yūhei Yamashita LDPShigaClass of 2022Takashi Koyari LDPClass of 2025 Kazuhiro Miyamoto LDPTochigiClass of 2022Michiko Ueno LDPClass of 2025Katsunori Takahashi LDPTokushima-KōchiClass of 2022Yūsuke Nakanishi LDPClass of 2025Hajime Hirota IndependentTottori-ShimaneClass of 2022Kazuhiko Aoki LDPClass of 2025Momoko Degawa LDPToyamaClass of 2022Kōtarō Nogami LDPClass of 2025 Yukie Niwata DPPWakayamaClass of 2022Yōsuke Tsuruho LDPClass of 2025 Yoshio Mochizuki IndependentYamagataClass of 2022Yasue Funayama DPPClass of 2025Michiya Haga DPPElected as an independent; became a DPP member in December 2025.YamaguchiClass of 2022Kiyoshi Ejima LDPClass of 2025Tsuneo Kitamura LDPYamanashiClass of 2022Manabu Nagai LDPClass of 2025Hitoshi Goto DPP
Members in National Proportional Representation block Class of 2022
PartyPlaceMemberBornNote LDP#1Kazuhiro Fujii#2Daisuke Kajihara#3Ken Akamatsu#4Hideharu Hasegawa#5Yoshio Kimura Kimura ran in the national PR block in the 2022 House of Councillors election, but was defeated. In February 2026, he entered the House of Councillors as the next candidate on the LDP list, after Shigeharu Aoyama resigned to contest the 2026 general election.#6Satsuki Katayama#8Hanako Jimi#9Shinya Fujiki#10Hiroshi Yamada#11Rio Tomonō#12Eriko Yamatani#13Yoshiyuki Inoue#14Kanehiko Shindo#15Eriko Imai#16Masashi Adachi#17Masayuki Kamiya#18Toshiyuki Ochi#19Katsumi Ogawa Ishin#1Hotaru UenoUeno was appointed to replace Akira Ishii after his resignation in September 2025.#2Mitsuko Ishii#3Akemi Matsuno#4Kiyoshi Nakajo#5Naoki Inose#6Michihito Kaneko#7Seiichi Kushida#8Kenta Aoshima CDP#1Kiyomi Tsujimoto#2Makoto Oniki#3Makoto Kage#4Shinichi Shiba#5Kyoko Murata#6Ai Aoki#7Michihiro Ishibashi Komeito#1Shinji Takeuchi#2Shinichi Yokoyama#3Masaaki Taniai#4Tetsuya Kubota#6Isamu Ueda#7Masaru Miyazaki JCP#2Sohei Nihi#3Tomo Iwabuchi#4Mikishi Daimon DPP#1Hitoshi Takezume#2Makoto Hamaguchi#3Takanori Kawai Reiwa#1Daisuke Tenbata#3Kusuo Oshima Sanseitō#1Sohei Kamiya SDP#1Mizuho Fukushima IndependentーKenichiro Saito
Class of 2025
PartyPlaceMemberBornNote LDP#1Shōji Maitachi#2Mamoru Fukuyama#3Shūsaku Indō#4Taro Yamada#5Shigenori Kenzaka#6Hideki Azumano#7Seiko Hashimoto#8Satoshi Kamayachi#9Haruko Arimura#10Masahiro Ishida#11Akiko Honda#12Muneo Suzuki DPP#1Mami Tamura#2Yoshifumi Hamano#3Tetsuji Isozaki#4Tatsuo Ito#5Yasushi Adachi#6Kota Hirado#7Yoshihiko Yamada Sanseitō#1Mizuho Umemura#2Yuji Adachi#3Hiroshi Ando#4Manabu Matsuda#5Mana Iwamoto#6Sen Yamanaka#7Shota Goto CDP#1Renhō#2Makiko Kishi#3Saori Yoshikawa#4Shunichi Mizuoka#5Masahito Ozawa#6Ryo Kōriyama#7Yuko Mori Komeito#1Daisaku Hiraki#2Takashi Tsukasa#3Masafumi Sasaki#4Daijiro Harada Ishin#1Yukiko Kada#2Megumi Ishii#3Takumi Shibata#4Hei Seki Reiwa#1Kenji Isezaki#2Eiko Kimura#3Fumiyo Okuda CPJ#1Haruo Kitamura#2Naoki Hyakuta JCP#1Akira Koike#2Yōko Shirakawa Mirai#1Takahiro Anno SDP#1LaSalle Ishii
See also House of Councillors List of districts of the House of Councillors of Japan List of current members of the House of Representatives of Japan
References