List of districts of the House of Representatives of Japan

As of 2021, the House of Representatives of Japan is elected from a combination of multi-member districts and single-member districts, a method called Parallel voting. Currently, 176 members are elected from 11 multi-member districts (called proportional representation blocks or PR blocks) by a party-list system of proportional representation (PR), and 289 members are elected from single-member districts, for a total of 465. 233 seats are therefore required for a majority. Each PR block consists of one or more prefectures, and each prefecture is divided into one or more single-member districts. In general, the block districts correspond loosely to the major regions of Japan, with some of the larger regions (such as Kantō) subdivided.

Districts of the House of Representatives.

History

Until the 1993 general election, all members of the House of Representatives were elected in multi-member constituencies by single non-transferable vote. In 1994, Parliament passed an electoral reform bill that introduced the current system of parallel voting in single-member constituencies and proportional voting blocks.[1] The original draft bill in 1993 by the anti-LDP coalition of Prime Minister Morihiro Hosokawa included proportional party list voting on a national scale, an equal number of proportional and district seats (250 each) and the possibility of split voting. However, the bill stalled in the House of Councillors.[2] After the Liberal Democratic Party (LDP) had returned to power later that year, it was changed to include proportional voting in regional blocks only, the number of proportional seats was reduced, but the possibility to cast two separate votes was kept in the bill. The electoral reform law was finally passed in 1994. It was first applied in the 1996 general election.

Redistricting and reapportionment

Amendments to the electoral law in 2002[3] and 2013[4] changed the boundaries of single-member districts and reapportioned seats between prefectures (+5/-5 in 2002; +0/-5 in 2013, resulting in a net change of -5 in district seats in the House of Representatives to 295 and overall seats to 475). The borders of the regional proportional blocks have never changed, but the apportionment of seats to the regional proportional blocks changed in 2000 after the number of proportional seats had been reduced from 200 to 180 (reducing the total number of seats in the lower house from 500 to 480),[5] and in the 2002 reapportionment.

Another reapportionment was passed by the National Diet in June 2017. In the majoritarian segment, it will change 97 districts in 19 prefectures, six are eliminated without replacement (one each in Aomori, Iwate, Mie, Nara, Kumamoto and Kagoshima). In the proportional segment, four "blocks" lose a seat each (Tōhoku, N. Kantō, Kinki, Kyūshū). Thus, the number of majoritarian seats is reduced to 289, the number of proportional seats to 176, the House of Representatives overall shrinks to 465. The reform takes effect one month after promulgation, i.e. on July 16, 2017.[6][7]

Hokkaidō (8 block seats)

The block constituency for Hokkaidō (比例北海道ブロック) elects 8 members proportionally. It contains only Hokkaidō Prefecture, which is divided into 12 single-member districts.

Hokkaidō Prefecture (12 districts)

District Areas included Number of constituents[8] Current representative Party represented Map
District 1 Sapporo, wards of Chūō-ku, Minami-ku, parts of wards of Nishi-ku and Kita-ku 453,694 Daiki Michishita[9] CDP
District 2 Sapporo, ward of Higashi-ku and part of ward of Kita-ku 461,188 Kenko Matsuki[9] CDP
District 3[changed 1] Sapporo, wards of Toyohira-ku, Kiyota-ku and part of ward of Shiroishi-ku 460,101 Hirohisa Takagi[10] LDP
District 4[changed 1] Sapporo, ward of Teine-ku and part of ward of Nishi-ku

Cities of Otaru and Ishikari

Shiribeshi Subprefecture

410,449 Hiroyuki Nakamura[11] LDP
District 5[changed 1] Sapporo, ward of Atsubetsu-ku, part of ward of Shiroishi-ku

Cities of Chitose, Ebetsu, Eniwa and Kitahiroshima

Ishikari Subprefecture

434,051 Yoshiaki Wada[12] LDP
District 6[changed 2] Cities of Asahikawa, Furano, Nayoro and Shibetsu

Kamikawa Subprefecture

411,625 Kuniyoshi Azuma[13] LDP
District 7[changed 2] Cities of Kushiro and Nemuro

Kushiro Subprefecture and Nemuro Subprefecture

250,316 Yoshitaka Itō[14] LDP
District 8 Cities of Hakodate and Hokuto

Hiyama Subprefecture and Oshima Subprefecture

357,202 Seiji Osaka[15] CDP
District 9 Cities of Date, Muroran, Noboribetsu and Tomakomai

Hidaka Subprefecture and Iburi Subprefecture

378,624 Tatsumaru Yamaoka[16] CDP
District 10[changed 2] Cities of Akabira, Ashibetsu, Bibai, Fukagawa, Iwamizawa, Mikasa, Rumoi, Sunagawa, Takikawa and Utashinai

Rumoi Subprefecture and Sorachi Subprefecture

280,307 Hisashi Inatsu[14] Komeito
District 11 City of Obihiro

Tokachi Subprefecture

282,332 Kaori Ishikawa[14] CDP
District 12[changed 2] Cities of Abashiri, Kitami, Monbetsu and Wakkanai

Okhotsk Subprefecture and Sōya Subprefecture

283,107 Arata Takebe[10] LDP

Tohoku (13 block seats)

The block constituency for Tohoku (比例東北ブロック) elects 14 members proportionally. It corresponds to the Tohoku region.

Akita Prefecture (3 districts)

District Areas included Number of constituents[8] Current representative Party represented Map
District 1 City of Akita 260,836 Hiroyuki Togashi[10] LDP
District 2 Cities of Katagami, Kazuno, Kitaakita, Noshiro, Ōdate and Oga

Districts of Kazuno, Kitaakita, Minamiakita and Yamamoto

255,369 Takashi Midorikawa[9] CDP
District 3 Cities of Daisen, Nikaho, Semboku, Yokote, Yurihonjō and Yuzawa

Districts of Ogachi and Senboku

316,428 Nobuhide Minorikawa[9] LDP

Aomori Prefecture (3 districts)

District Areas included Number of constituents[8] Current representative Party represented Map
District 1 Cities of Aomori and Mutsu

District of Higashitsugaru, Shimokita and part of district of Kamikita

338,948 Akinori Eto[17] LDP
District 2 Cities of Hachinohe, Misawa and Towada

Part of district of Shimokita

386,599 Junichi Kanda[18] LDP
District 3 Cities of Hirakawa, Hirosaki, Goshogawara, Kuroishi and Tsugaru

Districts of Kitatsugaru, Minamitsugaru, Nakatsugaru and Nishitsugaru

344,106 Jiro Kimura[18] LDP

Fukushima Prefecture (4 districts)

District Areas included Number of constituents[8] Current representative Party represented Map
District 1[changed 1] Cities of Date, Fukushima, Motomiya and Nihonmatsu

Districts of Date and Sōma

389,027 Emi Kaneko[18] CDP
District 2[changed 1] Cities of Kōriyama, Sukagawa and Tamura

Districts of Iwase, Ishikawa and Tamura

431,889 Takumi Nemoto[11] LDP
District 3[changed 1] Cities of Aizuwakamatsu, Kitakata and Shirakawa

District of Higashishirakawa, Kawanuma, Minamiaizu, Nishishirakawa, Ōnuma and Yama

334,482 Kōichirō Genba[19] CDP
District 4[changed 1] Cities of Iwaki, Minamisōma and Sōma

Districts of Futaba and Sōma

408,290 Shinji Oguma[15] CDP

Iwate Prefecture (3 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district City of Morioka
District of Shiwa
292,500 Takeshi Shina[20] CDP
2nd district[changed 3] Cities of Hachimantai, Kamaishi, Kuji, Miyako, Ninohe, Ofunato, Rikuzentakata, Takizawa, and Tono
Districts of Iwate, Kamihei, Kesen, Kunohe, Ninohe, and Shimohei
364,234 Shun'ichi Suzuki[20] LDP
3rd district[changed 3] Cities of Hanamaki, Ichinoseki, Kitakami, and Oshu
Districts of Isawa, Nishiiwai, and Waga
374,393 Takashi Fujiwara[21] LDP

Miyagi Prefecture (5 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district[changed 1] Sendai, wards of Aoba-ku and Taihaku-ku 445,778 Tōru Doi[22] LDP
2nd district Sendai, wards of Izumi-ku, Miyagino-ku and Wakabayashi-ku 456,564 Sayuri Kamata[18] CDP
3rd district[changed 1] Cities of Iwanuma, Kakuda, Natori, and Shiroishi
Districts of Igu, Katta, Shibata, and Watari
282,793 Akihiro Nishimura[11] LDP
4th district[changed 1] Cities of Higashimatsushima, Ishinomaki, Shiogama, Tagajō, and Tomiya
Districts of Kurokawa, Miyagi, and Oshika
388,880 Shintaro Ito[14] LDP
5th district[changed 1] Cities of Kesennuma, Kurihara, Ōsaki, and Tome
Districts of Kami, Motoyoshi, and Tōda
349,841 Jun Azumi[13] CDP

Yamagata Prefecture (3 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district Cities of Kaminoyama, Tendō, and Yamagata
District of Higashimurayama
302,702 Toshiaki Endo[17] LDP
2nd district Cities of Higashine, Murayama, Nagai, Nan'yō, Obanazawa, Sagae, and Yonezawa
Districts of Higashiokitama, Kitamurayama, Nishimurayama, and Nishiokitama
311,389 Norikazu Suzuki[20] LDP
3rd district Cities of Sakata, Shinjō, and Tsuruoka
Districts of Akumi, Higashitagawa, and Mogami
284,580 Ayuko Kato[18] LDP

Kita- (North) Kanto (19 block seats)

The Northern Kanto proportional representation block (北関東) elects 20 members proportionally. It includes four prefectures in northern Kanto.

Gunma Prefecture (5 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district[changed 1] Cities of Maebashi and Numata
District of Tone
345,119 Yasutaka Nakasone[11] LDP
2nd district[changed 1] Cities of Isesaki, Kiryū, and Midori
District Sawa
331,700 Toshiro Ino[14] LDP
3rd district[changed 1] Cities of Ōta and Tatebayashi
District of Oura
320,516 Hiroyoshi Sasakawa[20] LDP
4th district Cities of Fujioka and part of Takasaki
District of Tano
295,213 Tatsuo Fukuda[21] LDP
5th district[changed 1] Cities of Annaka, Shibukawa, Tomioka, and part of Takasaki
Districts of Agatsuma, Kanra, and Kitagunma
317,654 Yūko Obuchi[15] LDP

Ibaraki Prefecture (7 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district[changed 1] Cities of Chikusei, Kasama, Mito, and Sakuragawa

District of Higashiibaraki (Town of Shirosato)

426,105 Nobuyuki Fukushima[21] YK
2nd district[changed 1] Cities of Hokota, Itako, Kashima, Kamisu, Namegata, and Omitama

District of Higashiibaraki (Towns of Ibaraki and Ōarai)

304,799 Fukushiro Nukaga[11] LDP
3rd district Cities of Inashiki, Moriya, Ryūgasaki, Toride, and Ushiku

Districts of Inashiki and Kitasouma

390,263 Yasuhiro Hanashi[23] LDP
4th district[changed 3][changed 1] Cities of Hitachinaka, Hitachiōmiya, Hitachiōta, and Naka

District of Kuji

269,983 Hiroshi Kajiyama[18] LDP
5th district[changed 3] Cities of Hitachi, Kitaibaraki, and Takahagi

District of Naka

240,104 Satoshi Asano[13] DPFP
6th district[changed 1] Cities of Ishioka, Kasumigaura, Tsuchiura, Tsukuba, and Tsukubamirai 452,377 Ayano Kunimitsu[18] LDP
7th district[changed 1] Cities of Bandō, Jōsō, Koga, Shimotsuma and Yuki

Districts of Sashima and Yūki

330,072 Keiko Nagaoka[11] LDP

Saitama Prefecture (16 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district[changed 1] Saitama, wards of Midori-ku, Minuma, and Urawa-ku 382,839 Hideki Murai[9] LDP
2nd district[changed 1] Part of city of Kawaguchi 391,718 Yoshitaka Shindō[20] LDP
3rd district[changed 1] Cities of Koshigaya and part of Kawaguchi 381,903 Hitoshi Kikawada[18] LDP
4th district Cities of Asaka, Niiza, Shiki, and Wakō 388,488 Yasushi Hosaka[23] LDP
5th district[changed 1] Saitama, wards of Chūō-ku, Kita-ku, Nishi-ku and Ōmiya-ku 393,216 Yukio Edano[17] CDP
6th district[changed 1] Cities of Ageo, Kitamoto, Kōnosu, and Okegawa 415,349 Atsushi Ōshima[15] CDP
7th district[changed 1] Cities of Fujimi and Kawagoe 388,546 Hideyuki Nakano[11] LDP
8th district[changed 1] Cities of Fujimino, and Tokorozawa

District of Iruma (Town of Miyoshi)

418,267 Masahiko Shibayama[20] LDP
9th district Cities of Hannō, Hidaka, Iruma, and Sayama

District of Iruma (Towns of Moroyama and Ogose)

404,883 Taku Ōtsuka[15] LDP
10th district Cities of Higashimatsuyama, Sakado, and Tsurugashima

District of Hiki

328,662 Susumu Yamaguchi[16] LDP
11th district[changed 1] Cities of Chichibu, Fukaya, and Honjō

Districts of Chichibu, Kodama, and Ōsato

340,853 Ryūji Koizumi[18] LDP
12th district[changed 1] Cities of Gyōda, Hanyū, Kazo, and Kumagaya 372,546 Toshikazu Morita[9] CDP
13th district[changed 1] Cities of Hasuda, Kuki, Satte, and Shiraoka

Districts of Kita-Adachi, Kitakatsushika (Town of Sugito), and Minamisaitama

372,386 Shinako Tsuchiya[10] LDP
14th district[changed 1] Cities of Misato, Sōka, and Yashio 402,229 Hiromi Mitsubayashi[9] LDP
15th district[changed 1] Saitama, wards of Minami-ku and Sakura-ku

Cities Toda and Warabi

411,169 Ryōsei Tanaka[10] LDP
16th district[changed 4] Saitama, ward of Iwatsuki-ku

Cities of Kasukabe and Yoshikawa District of Kitakatsushika (Town of Matsubushi)

377,417 To be determined in 2025

Tochigi Prefecture (5 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district[changed 1] Part of city of Utsunomiya

District of Kawachi

418,287 Hajime Funada[21] LDP
2nd district[changed 1] Cities of Kanuma, Nikkō, Sakura, and part of Utsunomiya

District of Shioya

256,007 Akio Fukuda[21] CDP
3rd district Cities of Nasukarasuyama, Nasushiobara, Ōtawara, and Yaita

District of Nasu

240,132 Kazuo Yana[16] LDP
4th district[changed 1] Cities of Mooka, Oyama, and Shimotsuke

Districts of Haga and Shimotsuga

357,326 Tsutomu Sato[20] LDP
5th district[changed 1] Cities of Ashikaga, Sano, and Tochigi 349,651 Toshimitsu Motegi[9] LDP

Minami- (Southern) Kanto (22 block seats)

The block constituency for southern Kanto (比例南関東ブロック, hirei minami-Kantō burokku) elects 22 members proportionally. It includes two prefectures in southern Kanto and one in eastern Chubu.

Chiba Prefecture (14 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district Chiba, wards of Chūō-ku, Inage-ku, and Mihama-ku 433,793 Kaname Tajima[10] CDP
2nd district[changed 1] Chiba, ward of Hanamigawa-ku

City Yachiyo

317,682 Takayuki Kobayashi[18] LDP
3rd district[changed 2] Chiba, ward of Midori-ku

City of Ichihara

336,547 Hirokazu Matsuno[9] LDP
4th district[changed 3][changed 1] Part of the cities of Funabashi, Ichikawa 405,337 Yoshihiko Noda[11] CDP
5th district[changed 2][changed 1] Cities of Urayasu, and part of Ichikawa 413,484 Arfiya Eri[17] LDP
6th district[changed 2][changed 1] City of Matsudo 416,215 Hiromichi Watanabe[12] LDP
7th district[changed 1] Cities of Nagareyama and Noda 294,531 Ken Saitō[20] LDP
8th district[changed 2][changed 1] City of Kashiwa 358,485 Satoshi Honjo[23] CDP
9th district[changed 2] Chiba, ward of Wakaba-ku

Cities of Sakura, Yachimata, and Yotsukaidō

407,318 Soichiro Okuno[15] CDP
10th district[changed 1] Cities of Asahi, Chōshi, Katori, Narita, and Sōsa

Districts of Katori

329,853 Motoo Hayashi[23] LDP
11th district[changed 1] Cities of Isumi, Katsuura, Mobara, Ōamishirasato, Tōgane, and Sanmu

Districts of Chōsei, Isumi, and Sanbu

358,264 Eisuke Mori[9] LDP
12th district Cities of Futtsu, Kamogawa, Kimitsu, Kisarazu, Minamibōsō, Sodegaura, and Tateyama

District of Awa

379,663 Yasukazu Hamada[23] LDP
13th district[changed 3][changed 5][changed 1] Cities of Abiko, Inzai, Kamagaya, Shiroi, and Tomisato

District of Iba

418,355 Hisashi Matsumoto[9] LDP
14th district[changed 4] Cities of Narashino and part of Funabashi 414,157 To be determined in 2025

Kanagawa Prefecture (20 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district Yokohama, wards of Naka-ku, Isogo-ku, and Kanazawa-ku 428,275 Go Shinohara[20] CDP

2nd district Yokohama, wards of Kōnan-ku, Minami-ku, and Nishi-ku 437,432 Yoshihide Suga[20] LDP
3rd district Yokohama, wards of Kanagawa-ku and Tsurumi-ku 444,993 Kenji Nakanishi[11] LDP
4th district Yokohama, ward of Sakae-ku

Cities of Kamakura and Zushi

Districts of Miura

333,935 Yuki Waseda[12] CDP
5th district[changed 1] Yokohama, wards of Izumi-ku and Totsuka-ku 364,557 Manabu Sakai[20] LDP
6th district Yokohama, wards of Asahi-ku and Hodogaya-ku 380,871 Naoki Furukawa[21] LDP
7th district[changed 2][changed 1] Yokohama, ward of Kōhoku-ku 297,024 Keisuke Suzuki[20] LDP
8th district[changed 2][changed 1] Yokohama, wards of Midori-ku and Aoba-ku 410,538 Kenji Eda[17] CDP
9th district[changed 2][changed 1] Kawasaki, wards of Asao-ku and Tama-ku 333,522 Hirofumi Ryu[24] CDP
10th district[changed 3][changed 1] Kawasaki, wards of Kawasaki-ku and Saiwai-ku) 330,420 Kazunori Tanaka[10] LDP
11th district Cities of Miura and Yokosuka. 372,364 Shinjirō Koizumi[18] LDP
12th district City of Fujisawa

District of Koza

410,480 Tomoko Abe[13] CDP
13th district[changed 1] Yokohama, ward of Seya-ku

Cities of Ayase and Yamato

373,756 Hideshi Futori[21] CDP
14th district[changed 2][changed 1] Sagamihara, wards of Chūō-ku and Midori-ku

District of Aikō

405,035 Jiro Akama[13] LDP
15th district[changed 1] Cities of Chigasaki and Hiratsuka

District of Naka (Town of Ōiso)

450,900 Taro Kono[18] LDP
16th district[changed 2][changed 1] Cities of Atsugi, Ebina, and Isehara 385,382 Yuichi Goto[19] CDP
17th district[changed 1] Cities of Hadano, Minamiashigara, and Odawara

Districts of Ashigarakami, Ashigarashimo, and Naka (Town of Ninomiya)

449,062 Karen Makishima[9] LDP
18th district[changed 5][changed 3][changed 1] Kawasaki, wards of Nakahara-ku and Takatsu-ku 409,761 Daishiro Yamagiwa[16] LDP
19th district[changed 4] Kawasaki, ward of Miyamae-ku

Yokohama, ward of Tsuzuki-ku

368,329 To be determined in 2025
20th district[changed 4] Sagamihara, ward of Minami-ku

City of Zama

346,633 To be determined in 2025

Yamanashi Prefecture (2 districts)

District Areas included Number of Constituents[8] Current representative Party represented Map
District 1[changed 3] Cities of Kōfu, Nirasaki, Hokuto, Minami-arupusu, Chuo, Kai
Districts of Nishiyatsushiro, Minamikoma, and Nakakoma
424,557 Shinichi Nakatani[11] LDP
District 2[changed 3] Cities of Yamanashi, Fujiyoshida, Ōtsuki, Tsuru, Fuefuki, Koshu, and Uenohara
Districts of Kitatsuru and Minamitsuru
260,824 Noriko Horiuchi[23] LDP

Tokyo (17 block seats)

The block constituency for Tokyo (比例東京ブロック) elects 17 members proportionally. It covers Tokyo prefecture.

Tokyo Metropolis (30 districts)

District Areas included Number of Constitents[8] Current Representative Party Represented Map
1st district[changed 1] Tokyo, wards of Chiyoda and Shinjuku 332,256 Miki Yamada[16] LDP
2nd district[changed 1] Tokyo, wards of Chūō and Taitō 312,165 Kiyoto Tsuji[10] LDP
3rd district[changed 1] Tokyo, part of the ward of Shinagawa.

Also includes the Izu Islands and Ogasawara Subprefecture

361,015 Jin Matsubara[9] CDP
4th district[changed 1] Tokyo, part of the ward of Ōta 425,428 Masaaki Taira[10] LDP
5th district[changed 1] Tokyo, part of the ward of Setagaya 375,790 Yoshio Tezuka[10] CDP
6th district[changed 1] Tokyo, part of the ward of Setagaya 400,236 Takayuki Ochiai[15] CDP
7th district[changed 1] Tokyo, part of the ward of Setagaya 400,527 Akira Nagatsuma[11] CDP
8th district[changed 1] Tokyo, wards of Minato and Shibuya 391,474 Harumi Yoshida[16] CDP
9th district[changed 1] Tokyo, part of the ward of Nerima 307,649 Issei Yamagishi[16] CDP
10th district[changed 1] Tokyo, wards of Bunkyō and Toshima 419,486 Hayato Suzuki[20] LDP
11th district[changed 1] Tokyo, part of the ward of Itabashi 388,347 Hakubun Shimomura[20] LDP
12th district[changed 1] Tokyo, wards of Kita and part of Itabashi 378,264 Mitsunari Okamoto[15] Komeito
13th district[changed 1] Tokyo, part of the ward of Adachi 387,664 Shin Tsuchida[10] LDP
14th district[changed 1] Tokyo, wards of Sumida and part of Edogawa 402,475 Midori Matsushima[9] LDP
15th district[changed 1] Tokyo, ward of Kōtō 427,908 Mito Kakizawa[18] LDP
16th district[changed 1] Tokyo, part of the ward of Edogawa 391,972 Hideo Ōnishi[15] LDP
17th district[changed 1] Tokyo, ward of Katsushika 383,277 Katsuei Hirasawa[23] LDP
18th district[changed 1] Cities of Musashino, Nishitokyo, and Koganei. 402,332 Naoto Kan[18] CDP
19th district[changed 1] Cities of Kodaira, Kokubunji, and Kunitachi 334,159 Yoshinori Suematsu[20] CDP
20th district Cities of Higashimurayama, Higashiyamato, Kiyose, Higashikurume, and Musashimurayama 419,465 Seiji Kihara[18] LDP
21st district[changed 1] Cities of Hino, Tachikawa, and part Hachiōji 405,407 Kiyoshi Odawara[15] LDP
22nd district[changed 1] Cities of Chōfu, Komae, and Mitaka 430,620 Tatsuya Ito[14] LDP
23rd district[changed 1] City of Machida 362,390 Masanobu Ogura[15] LDP
24th district[changed 1] Part of the city of Hachiōji. 382,675 Kōichi Hagiuda[23] LDP
25th district Cities of Akiruno, Akishima, Fussa, Hamura, and Ōme

District of Nishitama

414,091 Shinji Inoue[14] LDP
26th district[changed 4] Tokyo, wards of Meguro and part of Ōta 430,474 To be determined in 2025
27th district[changed 4] Tokyo, wards of Nakano and part of Suginami 383,510 To be determined in 2025
28th district[changed 4] Tokyo, part of the ward of Nerima 313,718 To be determined in 2025
29th district[changed 4] Tokyo, wards of Arakawa and part of Adachi 355,778 To be determined in 2025
30th district[changed 4] Cities of Fuchū, Inagi, and Tama 419,168 To be determined in 2025

Hokurikushin'etsu (11 block seats)

The block constituency for Hokurikushinetsu (北陸信越) elects 11 members proportionally. It combines five prefectures of the Hokuriku and Shin'etsu subregions in northern Chubu.

Fukui Prefecture (2 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district[changed 3] Cities of Awara, Fukui, Katsuyama, Ono, and Sakai

District of Yoshida

373,417 Tomomi Inada[14] LDP
2nd district[changed 3] Cities of Echizen, Obama, Sabae, and Tsuruga

Districts of Imadate, Mikata, Minamikaminaka, Nanjō, Nyū, and Ōi

261,145 Tsuyoshi Takagi[10] LDP

Ishikawa Prefecture (3 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district City of Kanazawa 376,016 Takuo Komori[18] LDP
2nd district Cities of Hakusan, Kaga, Komatsu, Nomi, and Nonoichi

District of Nomi

325,277 Hajime Sasaki[20] LDP
3rd district Cities of Hakui, Kahoku, Nanao, Suzu, and Wajima.

Districts of Hakui, Hōsu, Kahoku, and Kashima.

241,238 Shoji Nishida[11] LDP

Niigata Prefecture (5 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district[changed 2][changed 1] Niigata, wards of Chūō-ku, Higashi-ku, and Kōnan-ku

City of Sado

365,049 Chinami Nishimura[11] CDP
2nd district[changed 2][changed 1] Niigata, wards of Minami-ku, Nishi-ku, and Nishikan-ku

Cities of Sanjō, Kamo, and Tsubame

Districts of Minamikanbara and Nishikanbara

402,082 Kenichi Hosoda LDP
3rd district[changed 1] Niigata, wards of Akiha-ku and Kita-ku

Cities of Agano, Gosen, Murakami, Shibata, and Tainai

Districts of Higashikanbara, Iwafune, and Kitakanbara

381,835 Hiroaki Saito[20] LDP
4th district[changed 1] Cities of Kashiwazaki, Mitsuke, Nagaoka, and Ojiya

District of Kariwa and Santō

362,100 Makiko Kikuta[9] CDP
5th district[changed 1] Cities of Itoigawa, Jōetsu, Minamiuonuma, Myōkō, Uonuma, and Tōkamachi

Districts of Minamiuonuma and Nakauonuma

352,135 Ryuichi Yoneyama[16] CDP

Nagano Prefecture (5 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district Cities of Iiyama, Nakano, Suzaka, and part of Nagano

Districts of Kamitakai, Shimominochi, and Shimotakai

424,275 Kenta Wakabayashi[12] LDP
2nd district Cities of Azumino, Matsumoto and Ōmachi, and part of Nagano

Districts of Higashichikuma, Kamiminochi, and Kitaazumi

381,349 Mitsu Shimojo[20] CDP
3rd district Cities of Chikuma, Komoro, Saku, Tōmi and Ueda

Districts of Chiisagata, Hanishina, Kitasaku, and Minamisaku

398,639 Yosei Ide[14] LDP
4th district Cities of Chino, Okaya, Shiojiri, and Suwa

Districts of Kiso and Suwa

239,642 Shigeyuki Goto[19] LDP
5th district Cities of Iida, Ina and Komagane

Districts of Kamiina and Shimoina

278,839 Ichiro Miyashita[9] LDP

Toyama Prefecture (3 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district Part of the city of Toyama 267,663 Hiroaki Tabata[10] LDP
2nd district Cities of Kurobe, Namerikawa, Uozu, and part of Toyama

Districts of Nakaniikawa and Shimoniikawa.

245,898 Eishun Ueda[25] LDP
3rd district Cities of Himi, Imizu, Nanto, Oyabe, Takaoka, and Tonami 362,175 Keiichiro Tachibana[10] LDP

Tokai (21 block seats)

The block constituency for Tokai (東海) elects 21 members proportionally. It covers three prefectures in southern Chubu, as well as one prefecture in Kinki.

Aichi Prefecture (16 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district Nagoya, wards of Higashi, Kita, Nishi, and Naka 403,902 Hiromichi Kumada[18] LDP
2nd district Nagoya, wards of Chikusa, Moriyama and Meitō 404,844 Motohisa Furukawa[21] DPFP
3rd district Nagoya, wards of Shōwa, Midori and Tenpaku 418,407 Shoichi Kondo[18] CDP
4th district Nagoya, wards of Mizuho, Atsuta, Minato and Minami. 371,387 Shozo Kudo[18] LDP
5th district[changed 2][changed 1] Nagoya, wards of Nakamura and Nakagawa.

City of Kiyosu

350,279 Kenji Kanda[18] LDP
6th district[changed 2][changed 1] Cities of Kasugai and Seto 359,295 Hideki Niwa[11] LDP
7th district[changed 1] Cities of Nagakute, Nisshin, Ōbu, Owariasahi, and Toyoake

District of Aichi

354,150 Junji Suzuki[20] LDP
8th district Cities of Handa, Tokoname, Tōkai and Chita

District of Chita

437,388 Tadahiko Ito[14] LDP
9th district[changed 1] Cities of Ama, Aisai, Inazawa, Tsushima, and Yatomi

District of Ama

383,431 Yasumasa Nagasaka[11] LDP
10th district[changed 2][changed 1] Cities of Ichinomiya and Iwakura 354,248 Tetsuma Esaki[17] LDP
11th district[changed 1] Cities of Miyoshi and Toyota 386,121 Tetsuya Yagi[16] LDP
12th district Cities of Okazaki and Nishio 445,465 Kazuhiko Shigetoku[20] CDP
13th district Cities of Hekinan, Kariya, Anjō, Chiryū, and Takahama 424,402 Kensuke Onishi[15] CDP
14th district[changed 1] Cities of Toyokawa, Gamagōri, and Shinshiro

District of Nukata and Kitashitara

294,065 Soichiro Imaeda[14] LDP
15th district Cities of Toyohashi and Tahara 347,576 Yukinori Nemoto[11] LDP
16th district[changed 4] Cities of Kitanagoya, Komaki, Kōnan, and Inuyama

District of Nishikasugai and Niwa

393,120 To be determined in 2025

Gifu Prefecture (5 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
District 1[changed 1] City of Gifu 336,264 Seiko Noda[11] LDP
2nd district Cities of Ōgaki and Kaizu

Districts of Anpachi, Fuwa, Ibi, and Yōrō

298,922 Yasufumi Tanahashi[10] LDP
3rd district[changed 1] Cities of Hashima, Kakamigahara, Mino, Mizuho, Motosu, Seki, and Yamagata

Districts of Hashima and Motosu

411,722 Yoji Muto[9] LDP
4th district Cities of Gero, Gujō, Hida, Kani, Minokamo, and Takayama

District of Kamo, Kani and Ōno

327,816 Shumpei Kaneko[18] LDP
5th district Cities of Ena, Mizunami, Nakatsugawa, Tajimi, and Toki 271,830 Keiji Furuya[21] LDP

Mie Prefecture (4 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district Cities of Matsuaka and Tsu 358,042 Norihisa Tamura[10] LDP
2nd district Cities of Iga, Kameyama, Nabari, Suzuka, and part of Yokkaichi 407,181 Hideto Kawasaki[18] LDP
3rd district Cities of Inabe, Kuwana, and part of Yokkaichi

Districts of Inabe, Kuwana, and Mie

414,798 Katsuya Okada[15] LDP
4th district Cities of Ise, Kumano, Owase, Toba, and Shima

Disitricts of Kitamuro, Minamimuro, Taki, and Watarai

294,027 Eikei Suzuki[20] LDP

Shizuoka Prefecture (8 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district[changed 1] Shizuoka, wards of Aoi and Suruga 386,430 Yōko Kamikawa[18] LDP
2nd district[changed 1] Cities of Fujieda, Makinohara, Shimada, and Yaizu

District of Haibara

378,801 Tatsunori Ibayashi[14] LDP
3rd district[changed 1] Cities Fukuroi, Iwata, Kakegawa, Kikugawa, and Omaezaki

District of Shūchi

375,422 Nobuhiro Koyama[18] CDP
4th district[changed 1] Shizuoka, ward of Shimizu-ku

Cities of Fujinomiya and part of Fuji

318,744 Yoichi Fukazawa[21] LDP
5th district[changed 1] Cities of Gotemba, Mishima, Susono, and part of Fuji

Districts of Tagata and Suntō (Towns of Oyama)

455,231 Goshi Hosono[23] LDP
6th district[changed 1] Cities of Atami, Itō, Izu, Izunokuni, Numazu, and Shimoda

Districts

434,785 Takaaki Katsumata[18] LDP
7th district[changed 1] Hamamatsu, wards of Hamakita, Kita-ku, Nishi-ku, and Tenryū

City of Kosai

316,233 Minoru Kiuchi[18] LDP
8th district[changed 1] Hamamatsu, wards of Higashi, Minami, and Naka 382,752 Kentaro Gemma[19] CDP

Kinki/Kansai (28 block seats)

The block constituency for Kinki (Kansai) (近畿) elects 29 members proportionally. It corresponds to the Kinki region minus Mie Prefecture.

Hyōgo Prefecture (12 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district Kobe, wards of Chūō-ku, Higashinada-ku, and Nada-ku 394,037 Nobuhiko Isaka[14] CDP
2nd district Kobe, wards of Hyōgo-ku, Kita-ku, and Nagata-ku

Part of the city of Nishinomiya

385,407 Kazuyoshi Akaba[13] Komeito
3rd district Kobe, wards of Suma-ku and Tarumi-ku 313,392 Yoshihiro Seki[20] LDP
4th district Kobe, ward of Nishi-ku

Cities of Kasai, Katō, Miki, Nishiwaki, and Ono District of Taka

419,227 Hisayuki Fujii[21] LDP
5th district[changed 1] Cities of Asago, Sanda, Tamba, Tamba-Sasayama, Toyooka, Yabu, and part of Kawanishi

Districts of Kawabe and Mikata

381,054 Koichi Tani[10] LDP
6th district[changed 1] Cities of Itami, Takarazuka, and part of Kawanishi 449,512 Koichiro Ichimura[14] Nippon Ishin
7th district Cities of Ashiya and part of Nishinomiya 443,422 Kenji Yamada[16] LDP
8th district City of Amagasaki 386,380 Hiromasa Nakano[11] Komeito
9th district Cities of Akashi, Awaji, Minamiawaji, and Sumoto 363,654 Yasutoshi Nishimura[11] LDP
10th district Cities of Kakogawa and Takasago

District of Kako

347,377 Kisaburo Tokai[10] LDP
11th district Part of the city of Himeji 399,004 Takeaki Matsumoto[9] LDP
12th district Cities of Aioi, Ako, Shiso, Tatsuno, and part of Himeji

Districts of Akō, Ibo, Kanzaki, and Sayō

282,431 Tsuyoshi Yamaguchi[16] LDP

Kyoto Prefecture (6 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district Kyoto, wards of Kamigyō-ku, Kita-ku, Nakagyō-ku, Minami-ku, and Shimogyō-ku 390,269 Yasushi Katsume[18] LDP
2nd district Kyoto, wards of Higashiyama-ku, Sakyō-ku, and Yamashina-ku 263,524 Seiji Maehara[9] DPFP
3rd district Kyoto, ward of Fushimi-ku

Cities of Mukō and Nagaokakyō District of Otokuni

353,363 Kenta Izumi[14] CDP
4th district Kyoto, wards of Nishikyō-ku and Ukyō-ku

Cities of Kameoka and Nantan District of Funai

394,845 Keiro Kitagami[18] YK
5th district Vities of Ayabe, Fukuchiyama, Kyōtango, Maizuru, and Miyazu

District of Yosa

236,343 Taro Honda[23] LDP
6th district Cities of Joyo, Kizugawa, Kyōtanabe, Uji, and Yawata

Districts of Kuse, Sōraku, and Tsuzuki

459,643 Kazunori Yamanoi[16] CDP

Nara Prefecture (3 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district Cities of Ikoma and part of Nara 394,347 Sumio Mabuchi[9] CDP
2nd district Cities of Kashiba, Tenri, Yamatokōriyama, and part of Nara

Districts of Ikoma, Kitakatsuragi, Shiki, and Yamabe

382,819 Sanae Takaichi[10] LDP
3rd district Cities of Gojō, Gose, Kashihara, Katsuragi, Sakurai, Uda and Yamatotakada

Districts of Takaichi, Uda, and Yoshino

352,656 Taido Tanose[10] LDP

Osaka Prefecture (19 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district Osaka, wards of Chūō-ku, Higashinari-ku , Minato-ku, Naniwa-ku, Nishi-ku, and Tennōji-ku 433,378 Hidetaka Inoue[14] Nippon Ishin
2nd district Osaka, wards of Abeno-ku, Higashisumiyoshi-ku, Hirano-ku, and Ikuno-ku 445,958 Tadashi Morishima[9] Nippon Ishin
3rd district Osaka, wards of Nishinari-ku, Suminoe-ku, Sumiyosho-ku, and Taisho-ku 365,973 Shigeki Sato[20] Komeito
4th district Osaka, wards of Fukushima-ku, Joto-ku, Kita-ku, and Miyakojima-ku 410,669 Teruo Minobe[9] Nippon Ishin
5th district Osaka, wards of Higashiyodogawa-ku, Konohana-ku, Nishiyodogawa-ku, and Yodogawa-ku 432,729 Toru Kunishige[18] Komeito
6th district Osaka, wards of Asahi-ku and Tsurumi-ku

Cities of Kadoma and Moriguchi

390,026 Shinichi Isa[14] Komeito
7th district Cities of Settsu and Suita 385,703 Takemitsu Okushita[15] Nippon Ishin
8th district[changed 1] Cities of Ikeda and Toyonaka 423,902 Joji Uruma[25] Nippon Ishin
9th district[changed 1] Cities of Ibaraki and Minoo

District of Toyono

371,891 Yasushi Adachi[13] Nippon Ishin
10th district City of Takatsuki

District of Mishima

320,615 Taku Ikeshita[14] Nippon Ishin
11th district Cities of Hirakata and Katano 398,982 Hiroshi Nakatsuka[11] Nippon Ishin
12th district Cities of Daitō, Neyagawa, and Shijōnawate 339,048 Fumitake Fujita[21] Nippon Ishin
13th district City of Higashiōsaka 400,456 Ryohei Iwatani[14] Nippon Ishin
14th district Cities of Fujiidera, Habikino, Kashiwara, and Yao 420,979 Hitoshi Aoyagi[13] Nippon Ishin
15th district Sakai, ward of Mihara-ku

Cities of Kawachinagano, Matsubara, Ōsakasayama, and Tondabayashi District of Minamikawachi

388,103 Yasuto Urano[25] Nippon Ishin
16th district Sakai, wards of Higashi-ku, Kita-ku, and Sakai-ku 326,786 Kazuo Kitagawa[18] Komeito
17th district Sakai, wards of Minami-ku, Naka-ku, and Nishi-ku 329,205 Nobuyuki Baba[26] Nippon Ishin
18th district Cities of Izumi, Izumiōtsu, Kishiwada, and Takaishi

District of Senboku

433,984 Takashi Endo[17] Nippon Ishin
19th district Cities of Hannan, Izumisano, Kaizuka, and Sennan

District of Sennan

303,724 Nobuhisa Ito[14] Nippon Ishin

Shiga Prefecture (3 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district Cities of Ōtsu and Takashima 325,422 Toshitaka Ooka[15] LDP
2nd district[changed 2][changed 1] Cities of Higashiōmi, Maibara, Nagahama, Hikone, and Ōmihachiman

Districts of Echi, Gamō, and Inukami

437,139 Kenichiro Ueno[25] LDP
3rd district[changed 2][changed 1] Cities of Kōka, Konan, Kusatsu, Moriyama, Rittō and Yasu 392,383 Nobuhide Takemura[10] LDP

Wakayama Prefecture (2 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district[changed 1] City of Iwade, Kinokawa, and Wakayama 403,217 Yumi Hayashi[23] Nippon Ishin
2nd district[changed 3][changed 1] Cities of Arida, Gobō, Hashimoto, Kainan, Shingū, and Tanabe

Districts of Arida, Hidaka, Higashimuro, Ito, Kaisō, and Nishimuro

392,379 Masatoshi Ishida[14] LDP

Chugoku (11 block seats)

The block constituency for Chugoku (中国) elects 11 members proportionally. It corresponds to the Chugoku region.

Hiroshima Prefecture (6 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district[changed 1] Hiroshima, wards of Higashi-ku, Minami-ku, and Naka-ku

District of Aki (Towns of Fuchū, Kaita, and Saka)

410,425
2nd district[changed 1] Hiroshima, wards of Nishi-ku and Saeki-ku

Cities of Hatsukaichi, and Ōtake

391,029 Hiroshi Hiraguchi[23] LDP
3rd district[changed 1] Hiroshima, wards of Aki-ku, Asakita-ku and Asaminami-ku

City of Akitakata District of Yamagata

423,244
4th district[changed 1] Cities of Etajima, Higashihiroshima, Kure, and Takehara

Districts of Toyota and Aki (Town of Kumano)

398,489
5th district[changed 1] Fuchū, Mihara, Miyoshi, Onomichi, and Shōbara

Districts of Jinseki and Sera

309,901 Minoru Terada[10] LDP
6th district[changed 1] City of Fukuyama 381,074

Okayama Prefecture (4 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district[changed 1] Okayama, ward of Kita-ku

Cities of Akaiwa and Bizen Districts of Kaga and Wake

329,469 Ichiro Aisawa[13] LDP
2nd district[changed 1] Okayama, ward of Higashi-ku, Minami-ku, and Naka-ku

Cities of Setouchi and Tamano

417,620 Takashi Yamashita[16] LDP
3rd district[changed 1] Cities of Asakuchi, Ibara, Kasaoka, Mimasaka, Maniwa, Niimi, Sōja, Takahashi, and Tsuyama

Districts of Aida, Asakuchi, Katsuta, Kume, Maniwa, Oda, and Tomata

410,597 Shojiro Hiranuma[23] LDP
4th district[changed 1] City of Kurashiki

District of Tsukubo

405,558 Gaku Hashimoto[23] LDP

Shimane Prefecture (2 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district[changed 2][changed 1] Cities of Matsue, Unnan, and Yasugi

Districts of Iishi, Nita, and Oki

259,179 Hiroyuki Hosoda[23] Independent
2nd district[changed 2][changed 1] Cities Gōtsu, Hamada, Izumo, Masuda, and Ōda

Districts of Kanoashi and Ōchi

296,468 Yasuhiro Takami[10] LDP

Tottori Prefecture (2 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district[changed 3] Cities of Kurayoshi and Tottori

District of Iwami, Yazu, and Tōhaku (Town of Misasa)

229,371 Shigeru Ishiba[14] LDP
2nd district[changed 3] Cities of Sakaiminato and Yonago

Districts of Hino, Saihaku, and Tōhaku (Towns of Hokuei, Kotoura, and Yurihama)

232,955 Ryosei Akazawa[13] LDP

Yamaguchi Prefecture (3 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district[changed 1] Cities of Hōfu, Ube, and Yamaguchi 391,474 Masahiko Kōmura[18] LDP
2nd district[changed 1] Cities of Hikari, Iwakuni, Kudamatsu, Shūnan, and Yanai

Districts of Kuga, Kumage, and Ōshima

386,937 Nobuchiyo Kishi[18] LDP
3rd district[changed 1] Cities of Hagi, Mine, Nagato, Sanyo-Onoda, and Shimonoseki

District of Abu

355,510 Yoshimasa Hayashi[23] LDP

Shikoku (6 block seats)

The block constituency for Shikoku (比例四国ブロック) elects 6 members proportionally. It corresponds to the Shikoku region.

Ehime Prefecture (3 districts)

District Areas Included Number of constituents[8] Representative Party represented Map
District 1[changed 1] City of Matsuyama 426,322 Akihisa Shiozaki[20] LDP
District 2[changed 3][changed 1] Cities of Imabari, Niihama, Saijō, and Shikokuchūō

District of Ochi

393,597 Seiichiro Murakami[9] LDP
District 3[changed 3][changed 1] Cities Iyo, Ōzu, Seiyo, Uwajima, Tōon, and Yawatahama

Districts Iyo, Kamiukena, Kita, Kitauwa, Minamiuwa, and Nishiuwa

314,289 Takumi Ihara[14] LDP

Kagawa Prefecture (3 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district Part of the city of Takamatsu

Districts of Kagawa and Shozu

312,992 Junya Ogawa[15] CDP
2nd district Cities of Higashikagawa, Sakaide, Sanuki and parts of Takamatsu and Marugame

Districts Kita and Ayauta

256,773 Yuichiro Tamaki[10] DPFP
3rd district Cities Kan'onji, Mitoyo, Zentsuji, and part of Marugame

District of Nakatado

238,016 Keitaro Ohno[15] LDP

Kōchi Prefecture (2 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district[changed 2][changed 3] Cities of Aki, Kami, Kōnan, Muroto, Nankoku, and part of Kōchi

Districts of Aki, Nagaoka, and Tosa

308,938 Gen Nakatani[11] LDP
2nd district[changed 2][changed 3] Cities of Shimanto, Susaki, Sukumo and Tosa, Tosashimizu, and part of Kōchi

Districts of Agawa, Hata, and Takaoka,

284,670 Masanao Ozaki[15] LDP

Tokushima Prefecture (2 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district[changed 2][changed 3] Cities of: Tokushima, Komatsushima, and Anan.

Districts of: Myodo, Kaifu, Myozai, Katsura, and Naka.

360,095 Hirobumi Niki[11] YK
2nd district[changed 2][changed 3] Cities of: Awa, Yoshinogawa, Naruto, Mima, and Miyoshi.

Districts of: Itano, Mima, and Miyoshi.

258,564 Shunichi Yamaguchi[16] LDP

Kyūshū (20 block seats)

The block constituency for Kyūshū (九州) elects 21 members proportionally. It includes all the prefectures on Kyūshū island, as well as Okinawa Prefecture.

Fukuoka Prefecture (11 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district[changed 1] Fukuoka, wards of Hakata-ku and part of Higashi-ku 431,653 Takahiro Inoue[14] LDP
2nd district Fukuoka, wards of Chūō-ku and part of Jonan-ku and Minami-ku 453,775 Makoto Oniki[15] LDP
3rd district Fukuoka, wards of Nishi-ku, Sawara-ku, and part of Jonan-ku

City of Itoshima

446,205 Atsushi Koga[18] LDP
4th district[changed 1] Fukuoka, part of the ward of Higashi-ku

Cities Fukutsu, Koga, and Munakata District of Kasuya

398,041 Hideki Miyauchi[9] LDP
5th district Fukuoka, part of the ward of Minami-ku

Cities of Asakura, Chikushino, Dazaifu, Kasuga, Nakagawa and Onojo District of Asakura

456,331 Kaname Tsutsumi[10] CDP
6th district Cities of Kurume, Ogori, Okawa, and Ukiha

Districts of Mii and Mizuma

373,877 Jiro Hatoyama[23] LDP
7th district Cities of Chikugo, Miyama, Omuta, Yame, and Yanagawa

District of Yame

286,562 Satoshi Fujimaru[21] LDP
8th district Cities of Iizuka, Kama, Miyawaka, Nakama, and Nogata

Districts of Kaho, Kurate, and Onga

347,369 Tarō Asō[13] LDP
9th district Kitakyushu, wards of Tobata-ku, Wakamatsu-ku, Yahatahigashi-ku, and Yahatanishi-ku 378,490 Rintaro Ogata[15] Komeito
10th district Kitakyushu, wards of Kokurakita-ku, Kokuraminami-ku, and Moji-ku 406,620 Takashi Kii[18] CDP
11th district Cities of Buzen, Tagawa, and Yukuhashi

Districts of Chikujō, Miyako, and Tagawa

255,347 Ryota Takeda[10] LDP

Kagoshima Prefecture (4 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district Part of the city of Kagoshima

District of Kagoshima

357,284 Takuma Miyaji[9] LDP
2nd district Cities of Amami, Ibusuki, Makurazaki, Minamisatsuma, Minamikyushu, and part of Kagoshima

District of Ōshima

334,582 Satoshi Mitazono[9] LDP
3rd district Cities of Aira, Akune, Hioki, Ichikikushikino, Isa, Izumi, and Satsumasendai

Districts of Aira, Izumi, and Satsuma

316,469 Takeshi Noma[11] CDP
4th district Cities of Kanoya, Kirishima, Nishinoomote, Shibushi, Soo, and Tarumizu

District of Kimotsuki, Kumage, and Soo

323,373 Hiroshi Moriyama[9] LDP

Kumamoto Prefecture (4 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district Kumamoto, wards of Chuo, Higashi, and Kita 422,072 Minoru Kihara[18] LDP
2nd district Kumamoto, wards of Nishi and Minami

Cities of Arao and Tamana District of Tamana

313,172 Daisuke Nishino[11] LDP
3rd district Cities of Kochi, Aso, Kikuchi, and Yamaga

Districts of Aso, Kamimashiki, and Kikuchi

315,454 Tetsushi Sakamoto[10] LDP
4th district[changed 3] Cities of Amakusa, Hitoyoshi, Kami-Amakusa, Minamata, Uki, Uto, and Yatsushiro

Districts of Ashikita, Amakusa, Kuma, Shimomashiki, and Yatsushiro

399,867 Yasushi Kaneko[18] LDP

Miyazaki Prefecture (3 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district City of Miyazaki

District of Higashimorokata

354,398 So Watanabe[12] CDP
2nd district Cities of Hyuga, Nobeoka, and Saito

Districts of Higashiusuki, Koyu, and Nishiusuki

270,284 Taku Etō[17] LDP
3rd district Cities of Ebino, Kobayashi, Kushima, Miyakonojo, and Nichinan

Districts of Kitamorokata and Nishimorokata

271,813 Yoshihisa Furukawa[21] LDP

Nagasaki Prefecture (3 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district[changed 1] City of Nagasaki 344,579 Hideko Nishioka[11] DPFP
2nd district[changed 1] Cities of Iki, Isahaya, Minamishimabara, Omura, Shimabara, Unzen, and Tsushima

District of Nishisonogi

403,812 Ryusho Kato[18] LDP
3rd district[changed 3][changed 1] Cities of Gotō, Hirado, Matsuura, Saikai, and Sasebo

Districts of Higashisonogi, Kitamatsuura, and Minamimatsura

357,963 Yaichi Tanigawa[10] LDP

Ōita Prefecture (3 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district Part of the city of Ōita 386,368 Shuji Kira[18] YK
2nd district Cities of Bungo-ōno, Hita, Saiki, Taketa, Tsukumi, Yufu, Usuki, and part of Ōita

District of Kusu

264,423 Seishirō Etō[17] LDP
3rd district Cities of Beppu, Bungotakada, Kitsuki, Nakatsu, Kunisaki, and Usa

Districts of Hayami, and Higashikunisaki

299,659 Takeshi Iwaya[14] LDP

Okinawa Prefecture (4 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district[changed 2] City of Naha

District of Shimajiri (Town of Kumejima and villages of Aguni, Kitadaitō, Minamidaitō, Tokashiki, Tonaki, and Zamami)

268,018 Seiken Akamine[13] Communist
2nd district[changed 2] Cities of Ginowan and Urasoe

District of Nakagami

296,016 Kunio Arakaki[13] CDP
3rd district[changed 2] Cities of Nago, Okinawa, Uruma

Districts of Kunigami and Shimajiri (Villages of Iheya and Izena)

318,484 Aiko Shimajiri[20] LDP
4th district[changed 5] Cities of Miyakojima, Ishigaki, Itoman, Tomigusuku and Nanjō.

Districts of: Miyako, Yaeyama, Shimajiri (Towns of Haebaru, Yaese, and Yonabaru)

296,996 Kōsaburō Nishime[11] LDP

Saga Prefecture (2 districts)

District Areas included Number of Constitents[8] Current representative Party represented Map
1st district[changed 2][changed 3] Cities of Kanzaki, Saga, and Tosu

Districts of Kanzaki and Miyaki

333,869 Kazuhiro Haraguchi[23] CDP
2nd district[changed 2][changed 3] Cities of Kashima, Ogi, Imari, Karatsu, Ureshino, Takeo, and Taku.

Districts of Fujitsu, Kishima, Higashimatsuura, and Nishimatsuura.

338,720 Hiroshi Ogushi[15] CDP

See also

Notes

  1. Redistricted in 2022 (First effective in the 2025 Japanese General Election)
  2. Redistricted in 2002 (first effective in the 2003 House of Representatives election)
  3. Redistricted in 2013 (first effective in the 47th House of Representatives election)
  4. Created in 2022 (First effective in the 2025 Japanese General Election)
  5. Created in the 2002 reapportionment (first effective in the 2003 House of Representatives election)

References

  1. "Japanese Pass Bills On Electoral Reform". The New York Times. 3 November 1993. Retrieved 2008-08-09.
  2. CRS: Issue Brief IB93100 in the Government Document Digital Collection of the University of North Texas
  3. MIC: 衆議院小選挙区の区割りの改定等について
  4. MIC: 衆議院小選挙区の区割りの改定等について
  5. MIC: 衆議院比例代表選出議員の定数削減について
  6. MIC: 衆議院小選挙区の区割りの改定等について
  7. NHK Senkyo Web: 衆院小選挙区 区割り見直し 改正公選法が成立
  8. "総務省|令和4年9月1日現在選挙人名簿及び在外選挙人名簿登録者数". 総務省 (in Japanese). Retrieved 2023-01-28.
  9. "Members M_The House of Representatives,Japan". www.shugiin.go.jp. Retrieved 2023-01-28.
  10. "Members T_The House of Representatives,Japan". www.shugiin.go.jp. Retrieved 2023-01-28.
  11. "Members N_The House of Representatives,Japan". www.shugiin.go.jp. Retrieved 2023-01-28.
  12. "Members W_The House of Representatives,Japan". www.shugiin.go.jp. Retrieved 2023-01-28.
  13. "Members A_The House of Representatives,Japan". www.shugiin.go.jp. Retrieved 2023-01-28.
  14. "Members I_The House of Representatives,Japan". www.shugiin.go.jp. Retrieved 2023-01-28.
  15. "Members O_The House of Representatives,Japan". www.shugiin.go.jp. Retrieved 2023-01-28.
  16. "Members Y_The House of Representatives,Japan". www.shugiin.go.jp. Retrieved 2023-01-28.
  17. "Members E_The House of Representatives,Japan". www.shugiin.go.jp. Retrieved 2023-01-28.
  18. "Members K_The House of Representatives,Japan". www.shugiin.go.jp. Retrieved 2023-01-28.
  19. "Members G_The House of Representatives,Japan". www.shugiin.go.jp. Retrieved 2023-01-28.
  20. "Members S_The House of Representatives,Japan". www.shugiin.go.jp. Retrieved 2021-06-11.
  21. "Members F_The House of Representatives,Japan". www.shugiin.go.jp. Retrieved 2021-08-15.
  22. "Members D_The House of Representatives,Japan". www.shugiin.go.jp. Retrieved 2023-06-22.
  23. "Members H_The House of Representatives,Japan". www.shugiin.go.jp. Retrieved 2021-06-11.
  24. "Members R_The House of Representatives,Japan". www.shugiin.go.jp. Retrieved 2023-06-22.
  25. "Members U_The House of Representatives,Japan". www.shugiin.go.jp. Retrieved 2023-06-22.
  26. "Members B_The House of Representatives,Japan". www.shugiin.go.jp. Retrieved 2023-06-22.
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