As of 2024^[update], theHouse of Representatives of Japan is elected from a combination of multi-member districts and single-member districts, a method calledparallel voting. Currently, 176 members are elected from 11 multi-member districts (called proportional representation blocks or PR blocks) by a party-list system ofproportional 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 moreprefectures, and each prefecture is divided into one or more single-member districts. In general, the block districts correspond loosely to the majorregions of Japan, with some of the larger regions (such asKantō) subdivided.

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Until the1993 general election, all members of the House of Representatives were elected in multi-member constituencies bysingle 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 MinisterMorihiro 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 theHouse of Councillors.^[2] After theLiberal 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 the1996 general election.

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 took effect one month after promulgation, on July 16, 2017.^[6][7]

Theblock 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.

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
District 1	Sapporo, wards ofChūō-ku andMinami-ku, partsNishi-ku andKita-ku wards	453,694	Daiki Michishita[9]	CDP
District 2	Sapporo, ward ofHigashi-ku and part ofKita-ku ward	461,188	Kenko Matsuki[9]	CDP
District 3[changed 1]	Sapporo, wards ofToyohira-ku,Kiyota-ku and part ofShiroishi-ku ward	460,101	Yutaka Arai[10]	CDP
District 4[changed 1]	Sapporo, ward ofTeine-ku and part ofNishi-ku ward Cities ofOtaru andIshikari Shiribeshi Subprefecture	410,449	Kureha Otsuki[11]	CDP
District 5[changed 1]	Sapporo, ward ofAtsubetsu-ku, part ofShiroishi-ku ward Cities ofChitose,Ebetsu,Eniwa andKitahiroshima Ishikari Subprefecture	434,051	Maki Ikeda[12]	CDP
District 6[changed 2]	Cities ofAsahikawa,Furano,Nayoro andShibetsu Kamikawa Subprefecture	411,625	Kuniyoshi Azuma[13]	LDP
District 7[changed 2]	Cities ofKushiro andNemuro Kushiro Subprefecture andNemuro Subprefecture	250,316	Takako Suzuki[14]	LDP
District 8	Cities ofHakodate andHokuto Hiyama Subprefecture andOshima Subprefecture	357,202	Seiji Osaka[15]	CDP
District 9	Cities ofDate,Muroran,Noboribetsu andTomakomai Hidaka Subprefecture andIburi Subprefecture	378,624	Tatsumaru Yamaoka[16]	CDP
District 10[changed 2]	Cities ofAkabira,Ashibetsu,Bibai,Fukagawa,Iwamizawa,Mikasa,Rumoi,Sunagawa,Takikawa andUtashinai Rumoi Subprefecture andSorachi Subprefecture	280,307	Hiroshi Kamiya[14]	CDP
District 11	City ofObihiro Tokachi Subprefecture	282,332	Kaori Ishikawa[14]	CDP
District 12[changed 2]	Cities ofAbashiri,Kitami,Monbetsu andWakkanai Okhotsk Subprefecture andSōya Subprefecture	283,107	Arata Takebe[10]	LDP

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

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district	City ofAkita	260,836	Hiroyuki Togashi[10]	LDP
2nd district	Cities ofKatagami,Kazuno,Kitaakita,Noshiro,Ōdate andOga Districts ofKazuno,Kitaakita,Minamiakita andYamamoto	255,369	Takashi Midorikawa[9]	CDP
3rd district	Cities ofDaisen,Nikaho,Semboku,Yokote,Yurihonjō andYuzawa Districts ofOgachi andSenboku	316,428	Toshihide Muraoka[9]	DPP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
District 1	Cities ofAomori andMutsu District ofHigashitsugaru,Shimokita and part of district ofKamikita	338,948	Jun Tsushima[17]	LDP
District 2	Cities ofHachinohe,Misawa andTowada Part of district ofShimokita	386,599	Junichi Kanda[18]	LDP
District 3	Cities ofHirakawa,Hirosaki,Goshogawara,Kuroishi andTsugaru Districts ofKitatsugaru,Minamitsugaru,Nakatsugaru andNishitsugaru	344,106	Hanako Okada[18]	CDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
District 1[changed 1]	Cities ofDate,Fukushima,Motomiya andNihonmatsu Districts ofDate andSōma	389,027	Emi Kaneko[18]	CDP
District 2[changed 1]	Cities ofKōriyama,Sukagawa andTamura Districts ofIwase,Ishikawa andTamura	431,889	Kōichirō Genba[11]	CDP
District 3[changed 1]	Cities ofAizuwakamatsu,Kitakata andShirakawa District ofHigashishirakawa,Kawanuma,Minamiaizu,Nishishirakawa,Ōnuma andYama	334,482	Shinji Oguma[19]	CDP
District 4[changed 1]	Cities ofIwaki,Minamisōma andSōma Districts ofFutaba andSōma	408,290	Ryutaro Sakamoto[15]	LDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district	City ofMorioka District ofShiwa	292,500	Takeshi Shina[20]	CDP
2nd district[changed 3]	Cities ofHachimantai,Kamaishi,Kuji,Miyako,Ninohe,Ōfunato,Rikuzentakata,Takizawa, andTōno Districts ofIwate,Kamihei,Kesen,Kunohe,Ninohe, andShimohei	364,234	Shun'ichi Suzuki[20]	LDP
3rd district[changed 3]	Cities ofHanamaki,Ichinoseki,Kitakami, andŌshū Districts ofIsawa,Nishiiwai, andWaga	374,393	Ichirō Ozawa[21]	CDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district[changed 1]	Sendai, wards ofAoba-ku andTaihaku-ku	445,778	Akiko Okamoto[22]	CDP
2nd district	Sendai, wards ofIzumi-ku,Miyagino-ku andWakabayashi-ku	456,564	Sayuri Kamata[18]	CDP
3rd district[changed 1]	Cities ofIwanuma,Kakuda,Natori, andShiroishi Districts ofIgu,Katta,Shibata, andWatari	282,793	Tsuyoshi Yanagisawa[11]	CDP
4th district[changed 1]	Cities ofHigashimatsushima,Ishinomaki,Shiogama,Tagajō, andTomiya Districts ofKurokawa,Miyagi, andOshika	388,880	Jun Azumi[14]	CDP
5th district[changed 1]	Cities ofKesennuma,Kurihara,Ōsaki, andTome Districts ofKami,Motoyoshi, andTōda	349,841	Itsunori Onodera[13]	LDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district	Cities ofKaminoyama,Tendō, andYamagata District ofHigashimurayama	302,702	Toshiaki Endo[17]	LDP
2nd district	Cities ofHigashine,Murayama,Nagai,Nan'yō,Obanazawa,Sagae, andYonezawa Districts ofHigashiokitama,Kitamurayama,Nishimurayama, andNishiokitama	311,389	Norikazu Suzuki[20]	LDP
3rd district	Cities ofSakata,Shinjō, andTsuruoka Districts ofAkumi,Higashitagawa, andMogami	284,580	Ayuko Kato[18]	LDP

TheNorthern Kanto proportional representation block (北関東) elects 20 members proportionally. It includes four prefectures in northernKanto.

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district[changed 1]	Cities ofMaebashi andNumata District ofTone	345,119	Yasutaka Nakasone[11]	LDP
2nd district[changed 1]	Cities ofIsesaki,Kiryū, andMidori DistrictSawa	331,700	Toshiro Ino[14]	LDP
3rd district[changed 1]	Cities ofŌta andTatebayashi District ofOura	320,516	Hiroyoshi Sasakawa[20]	LDP
4th district	Cities ofFujioka and part ofTakasaki District ofTano	295,213	Tatsuo Fukuda[21]	LDP
5th district[changed 1]	Cities ofAnnaka,Shibukawa,Tomioka, and part ofTakasaki Districts ofAgatsuma,Kanra, andKitagunma	317,654	Yūko Obuchi[15]	LDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district[changed 1]	Cities ofChikusei,Kasama,Mito, andSakuragawa District ofHigashiibaraki (Town ofShirosato)	426,105	Nobuyuki Fukushima[21]	YK
2nd district[changed 1]	Cities ofHokota,Itako,Kashima,Kamisu,Namegata, andOmitama District ofHigashiibaraki (Towns of Ibaraki andŌarai)	304,799	Fukushiro Nukaga[11]	LDP
3rd district	Cities ofInashiki,Moriya,Ryūgasaki,Toride, andUshiku Districts ofInashiki andKitasouma	390,263	Yasuhiro Hanashi[23]	LDP
4th district[changed 3][changed 1]	Cities ofHitachinaka,Hitachiōmiya,Hitachiōta, andNaka District ofKuji	269,983	Hiroshi Kajiyama[18]	LDP
5th district[changed 3]	Cities ofHitachi,Kitaibaraki, andTakahagi District ofNaka	240,104	Satoshi Asano[13]	DPFP
6th district[changed 1]	Cities ofIshioka,Kasumigaura,Tsuchiura,Tsukuba, andTsukubamirai	452,377	Yamato Aoyama[18]	CDP
7th district[changed 1]	Cities ofBandō,Jōsō,Koga,Shimotsuma andYūki Districts ofSashima andYūki	330,072	Hayato Nakamura[11]	Ind.[a]

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district[changed 1]	Saitama, wards ofMidori-ku,Minuma, andUrawa-ku	382,839	Hideki Murai[9]	LDP
2nd district[changed 1]	Part of city ofKawaguchi	391,718	Yoshitaka Shindō[20]	LDP
3rd district[changed 1]	Cities ofKoshigaya and part ofKawaguchi	381,903	Hitoshi Kikawada[18]	LDP
4th district	Cities ofAsaka,Niiza,Shiki, andWakō	388,488	Yasushi Hosaka[23]	LDP
5th district[changed 1]	Saitama, wards ofChūō-ku,Kita-ku,Nishi-ku andŌmiya-ku	393,216	Yukio Edano[17]	CDP
6th district[changed 1]	Cities ofAgeo,Kitamoto,Kōnosu, andOkegawa	415,349	Atsushi Ōshima[15]	CDP
7th district[changed 1]	Cities ofFujimi andKawagoe	388,546	Yasuko Komiyama[11]	CDP
8th district[changed 1]	Cities ofFujimino, andTokorozawa District ofIruma (Town ofMiyoshi)	418,267	Masahiko Shibayama[20]	LDP
9th district	Cities ofHannō,Hidaka,Iruma, andSayama District ofIruma (Towns ofMoroyama andOgose)	404,883	Shinji Sugimura[15]	CDP
10th district	Cities ofHigashimatsuyama,Sakado, andTsurugashima District ofHiki	328,662	Yūnosuke Sakamoto[16]	CDP
11th district[changed 1]	Cities ofChichibu,Fukaya, andHonjō Districts ofChichibu,Kodama, andŌsato	340,853	Ryūji Koizumi[18]	LDP
12th district[changed 1]	Cities ofGyōda,Hanyū,Kazo, andKumagaya	372,546	Toshikazu Morita[9]	CDP
13th district[changed 1]	Cities ofHasuda,Kuki,Satte, andShiraoka Districts ofKita-Adachi,Kitakatsushika (Town ofSugito), andMinamisaitama	372,386	Mikihiko Hashimoto[10]	DPP
14th district[changed 1]	Cities ofMisato,Sōka, andYashio	402,229	Yoshihiro Suzuki[9]	DPP
15th district[changed 1]	Saitama, wards ofMinami-ku andSakura-ku CitiesToda andWarabi	411,169	Ryōsei Tanaka[10]	LDP
16th district[changed 4]	Saitama, ward ofIwatsuki-ku Cities ofKasukabe andYoshikawaDistrict ofKitakatsushika (Town ofMatsubushi)	377,417	Shinako Tsuchiya	LDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district[changed 1]	Part of city ofUtsunomiya District ofKawachi	418,287	Hajime Funada[21]	LDP
2nd district[changed 1]	Cities ofKanuma,Nikkō,Sakura, and part ofUtsunomiya District ofShioya	256,007	Akio Fukuda[21]	CDP
3rd district	Cities ofNasukarasuyama,Nasushiobara,Ōtawara, andYaita District ofNasu	240,132	Kazuo Yana[16]	LDP
4th district[changed 1]	Cities ofMooka,Oyama, andShimotsuke Districts ofHaga andShimotsuga	357,326	Takao Fujioka[20]	CDP
5th district[changed 1]	Cities ofAshikaga,Sano, andTochigi	349,651	Toshimitsu Motegi[9]	LDP

Theblock 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 southernKanto and one in easternChubu.

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district	Chiba, wards ofChūō-ku,Inage-ku, andMihama-ku	433,793	Kaname Tajima[10]	CDP
2nd district[changed 1]	Chiba, ward ofHanamigawa-ku CityYachiyo	317,682	Takayuki Kobayashi[18]	LDP
3rd district[changed 2]	Chiba, ward ofMidori-ku City ofIchihara	336,547	Hirokazu Matsuno[9]	LDP
4th district[changed 3][changed 1]	Part of the cities ofFunabashi,Ichikawa	405,337	Hideyuki Mizunuma[11]	CDP
5th district[changed 2][changed 1]	Cities ofUrayasu, and part ofIchikawa	413,484	Kentaro Yazaki[17]	CDP
6th district[changed 2][changed 1]	City ofMatsudo	416,215	Junko Ando[12]	CDP
7th district[changed 1]	Cities ofNagareyama andNoda	294,531	Ken Saitō[20]	LDP
8th district[changed 2][changed 1]	City ofKashiwa	358,485	Satoshi Honjo[23]	CDP
9th district[changed 2]	Chiba, ward ofWakaba-ku Cities ofSakura,Yachimata, andYotsukaidō	407,318	Soichiro Okuno[15]	CDP
10th district[changed 1]	Cities ofAsahi,Chōshi,Katori,Narita, andSōsa Districts ofKatori	329,853	Masaaki Koike[23]	LDP
11th district[changed 1]	Cities ofIsumi,Katsuura,Mobara,Ōamishirasato,Tōgane, andSanmu Districts ofChōsei,Isumi, andSanbu	358,264	Eisuke Mori[9]	LDP
12th district	Cities ofFuttsu,Kamogawa,Kimitsu,Kisarazu,Minamibōsō,Sodegaura, andTateyama District ofAwa	379,663	Yasukazu Hamada[23]	LDP
13th district[changed 3][changed 5][changed 1]	Cities ofAbiko,Inzai,Kamagaya,Shiroi, andTomisato District ofIba	418,355	Hisashi Matsumoto[9]	LDP
14th district[changed 4]	Cities ofNarashino and part ofFunabashi	414,157	Yoshihiko Noda	CDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district	Yokohama, wards ofNaka-ku,Isogo-ku, andKanazawa-ku	428,275	Go Shinohara[20]	CDP
2nd district	Yokohama, wards ofKōnan-ku,Minami-ku, andNishi-ku	437,432	Yoshihide Suga[20]	LDP
3rd district	Yokohama, wards ofKanagawa-ku andTsurumi-ku	444,993	Kenji Nakanishi[11]	LDP
4th district	Yokohama, ward ofSakae-ku Cities ofKamakura andZushi Districts ofMiura	333,935	Yuki Waseda[12]	CDP
5th district[changed 1]	Yokohama, wards ofIzumi-ku andTotsuka-ku	364,557	Manabu Sakai[20]	LDP
6th district	Yokohama, wards ofAsahi-ku andHodogaya-ku	380,871	Yōichirō Aoyagi[21]	CDP
7th district[changed 2][changed 1]	Yokohama, ward ofKōhoku-ku	297,024	Kazuma Nakatani[20]	CDP
8th district[changed 2][changed 1]	Yokohama, wards ofMidori-ku andAoba-ku	410,538	Kenji Eda[17]	CDP
9th district[changed 2][changed 1]	Kawasaki, wards ofAsao-ku andTama-ku	333,522	Hirofumi Ryu[24]	CDP
10th district[changed 3][changed 1]	Kawasaki, wards ofKawasaki-ku andSaiwai-ku)	330,420	Kazunori Tanaka[10]	LDP
11th district	Cities ofMiura andYokosuka.	372,364	Shinjirō Koizumi[18]	LDP
12th district	City ofFujisawa District ofKoza	410,480	Tomoko Abe[13]	CDP
13th district[changed 1]	Yokohama, ward ofSeya-ku Cities ofAyase andYamato	373,756	Hideshi Futori[21]	CDP
14th district[changed 2][changed 1]	Sagamihara, wards ofChūō-ku andMidori-ku District ofAikō	405,035	Jiro Akama[13]	LDP
15th district[changed 1]	Cities ofChigasaki andHiratsuka District ofNaka (Town ofŌiso)	450,900	Taro Kono[18]	LDP
16th district[changed 2][changed 1]	Cities ofAtsugi,Ebina, andIsehara	385,382	Yuichi Goto[19]	CDP
17th district[changed 1]	Cities ofHadano,Minamiashigara, andOdawara Districts ofAshigarakami,Ashigarashimo, andNaka (Town ofNinomiya)	449,062	Karen Makishima[9]	LDP
18th district[changed 5][changed 3][changed 1]	Kawasaki, wards ofNakahara-ku andTakatsu-ku	409,761	Souno Hajime[16]	CDP
19th district[changed 4]	Kawasaki, ward ofMiyamae-ku Yokohama, ward ofTsuzuki-ku	368,329	Kusama Tsuyoshi	LDP
20th district[changed 4]	Sagamihara, ward ofMinami-ku City ofZama	346,633	Sayuri Otsuka	CDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
District 1[changed 3]	Cities ofKōfu,Nirasaki,Hokuto,Minami-arupusu,Chūō,Kai Districts ofNishiyatsushiro,Minamikoma, andNakakoma	424,557	Katsuhito Nakajima[11]	CDP
District 2[changed 3]	Cities ofYamanashi,Fujiyoshida,Ōtsuki,Tsuru,Fuefuki,Kōshū, andUenohara Districts ofKitatsuru andMinamitsuru	260,824	Noriko Horiuchi[23]	LDP

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

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district[changed 1]	Tokyo, wards ofChiyoda andShinjuku	332,256	Banri Kaieda[16]	CDP
2nd district[changed 1]	Tokyo, wards ofChūō andTaitō	312,165	Kiyoto Tsuji[10]	LDP
3rd district[changed 1]	Tokyo, the ward ofShinagawa. Also includes theIzu Islands andOgasawara Subprefecture	361,015	Hirotaka Ishihara[9]	LDP
4th district[changed 1]	Tokyo, part of the ward ofŌta	425,428	Masaaki Taira[10]	LDP
5th district[changed 1]	Tokyo, part of the ward ofSetagaya	375,790	Yoshio Tezuka[10]	CDP
6th district[changed 1]	Tokyo, part of the ward ofSetagaya	400,236	Takayuki Ochiai[15]	CDP
7th district[changed 1]	Tokyo, wards ofMinato andShibuya	400,527	Akihiro Matsuo[11]	CDP
8th district[changed 1]	Tokyo, part of the ward ofSuginami	391,474	Harumi Yoshida[16]	CDP
9th district[changed 1]	Tokyo, part of the ward ofNerima	307,649	Issei Yamagishi[16]	CDP
10th district[changed 1]	Tokyo, wards ofBunkyō andToshima	419,486	Hayato Suzuki[20]	LDP
11th district[changed 1]	Tokyo, part of the ward ofItabashi	388,347	Yukihiko Akutsu[20]	CDP
12th district[changed 1]	Tokyo, wards ofKita and part ofItabashi	378,264	Kei Takagi[15]	LDP
13th district[changed 1]	Tokyo, part of the ward ofAdachi	387,664	Shin Tsuchida[10]	LDP
14th district[changed 1]	Tokyo, wards ofSumida and part ofEdogawa	402,475	Midori Matsushima[9]	LDP
15th district[changed 1]	Tokyo, ward ofKōtō	427,908	Natsumi Sakai[18]	LDP
16th district[changed 1]	Tokyo, part of the ward ofEdogawa	391,972	Yohei Onishi[15]	LDP
17th district[changed 1]	Tokyo, ward ofKatsushika	383,277	Katsuei Hirasawa[23]	LDP
18th district[changed 1]	Cities ofMusashino,Nishitokyo, andKoganei.	402,332	Kaoru Fukuda[18]	LDP
19th district[changed 1]	Cities ofKodaira,Kokubunji, andKunitachi	334,159	Yoshinori Suematsu[20]	CDP
20th district	Cities ofHigashimurayama,Higashiyamato,Kiyose,Higashikurume, andMusashimurayama	419,465	Seiji Kihara[18]	LDP
21st district[changed 1]	Cities ofHino,Tachikawa, and partHachiōji	405,407	Masako Ōkawara[15]	CDP
22nd district[changed 1]	Cities ofChōfu,Komae, andMitaka	430,620	Ikuo Yamahana[14]	CDP
23rd district[changed 1]	City ofMachida	362,390	Shunsuke Itō[15]	CDP
24th district[changed 1]	Part of the city ofHachiōji.	382,675	Kōichi Hagiuda[23]	LDP
25th district	Cities ofAkiruno,Akishima,Fussa,Hamura, andŌme District ofNishitama	414,091	Shinji Inoue[14]	LDP
26th district[changed 4]	Tokyo, wards ofMeguro and part ofŌta	430,474	Jin Matsubara	Ind.
27th district[changed 4]	Tokyo, wards ofNakano and part ofSuginami	383,510	Akira Nagatsuma	CDP
28th district[changed 4]	Tokyo, part of the ward ofNerima	313,718	Satoshi Takamatsu	CDP
29th district[changed 4]	Tokyo, wards ofArakawa and part ofAdachi	355,778	Mitsunari Okamoto	Komeito
30th district[changed 4]	Cities ofFuchū,Inagi, andTama	419,168	Eri Igarashi	CDP

Theblock constituency for Hokuriku-Shin'etsu (北陸信越) elects 11 members proportionally. It combines five prefectures of theHokuriku andShin'etsu subregions in northernChubu.

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district[changed 3]	Cities ofAwara,Fukui,Katsuyama,Ono, andSakai District ofYoshida	373,417	Tomomi Inada[14]	LDP
2nd district[changed 3]	Cities ofEchizen,Obama,Sabae, andTsuruga Districts ofImadate,Mikata,Minamikaminaka,Nanjō,Nyū, andŌi	261,145	Hideyuki Tsuji[10]	CDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district	City ofKanazawa	376,016	Takuo Komori[18]	LDP
2nd district	Cities ofHakusan,Kaga,Komatsu,Nomi, andNonoichi District ofNomi	325,277	Hajime Sasaki[20]	LDP
3rd district	Cities ofHakui,Kahoku,Nanao,Suzu, andWajima. Districts ofHakui,Hōsu,Kahoku, andKashima.	241,238	Kazuya Kondo[11]	CDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district[changed 2][changed 1]	Niigata, wards ofChūō-ku,Higashi-ku, andKōnan-ku City ofSado	365,049	Chinami Nishimura[11]	CDP
2nd district[changed 2][changed 1]	Niigata, wards ofMinami-ku,Nishi-ku, andNishikan-ku Cities ofSanjō,Kamo, andTsubame Districts ofMinamikanbara andNishikanbara	402,082	Makiko Kikuta	CDP
3rd district[changed 1]	Niigata, wards ofAkiha-ku andKita-ku Cities ofAgano,Gosen,Murakami,Shibata, andTainai Districts ofHigashikanbara,Iwafune, andKitakanbara	381,835	Takahiro Kuroiwa[20]	CDP
4th district[changed 1]	Cities ofKashiwazaki,Mitsuke,Nagaoka, andOjiya District ofKariwa andSantō	362,100	Ryuichi Yoneyama[9]	CDP
5th district[changed 1]	Cities ofItoigawa,Jōetsu,Minamiuonuma,Myōkō,Uonuma, andTōkamachi Districts ofMinamiuonuma andNakauonuma	352,135	Mamoru Umetani[16]	CDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district	Cities ofIiyama,Nakano,Suzaka, and part ofNagano Districts ofKamitakai,Shimominochi, andShimotakai	424,275	Takashi Shinohara[12]	CDP
2nd district	Cities ofAzumino,Matsumoto andŌmachi, and part ofNagano Districts ofHigashichikuma,Kamiminochi, andKitaazumi	381,349	Mitsu Shimojo[20]	CDP
3rd district	Cities ofChikuma,Komoro,Saku,Tōmi andUeda Districts ofChiisagata,Hanishina,Kitasaku, andMinamisaku	398,639	Takeshi Kozi[14]	CDP
4th district	Cities ofChino,Okaya,Shiojiri, andSuwa Districts ofKiso andSuwa	239,642	Shigeyuki Goto[19]	LDP
5th district	Cities ofIida,Ina andKomagane Districts ofKamiina andShimoina	278,839	Ichiro Miyashita[9]	LDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district	Part of the city ofToyama	267,663	Hiroaki Tabata[10]	LDP
2nd district	Cities ofKurobe,Namerikawa,Uozu, and part ofToyama Districts ofNakaniikawa andShimoniikawa.	245,898	Eishun Ueda[25]	LDP
3rd district	Cities ofHimi,Imizu,Nanto,Oyabe,Takaoka, andTonami	362,175	Keiichiro Tachibana[10]	LDP

Theblock constituency for Tokai (東海) elects 21 members proportionally. It covers three prefectures in southernChubu, as well as one prefecture inKinki.

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district	Nagoya, wards ofHigashi,Kita,Nishi, andNaka	403,902	Takashi Kawamura[18]	CPJ
2nd district	Nagoya, wards ofChikusa,Moriyama andMeitō	404,844	Motohisa Furukawa[21]	DPP
3rd district	Nagoya, wards ofShōwa,Midori andTenpaku	418,407	Shoichi Kondo[18]	CDP
4th district	Nagoya, wards ofMizuho,Atsuta,Minato andMinami.	371,387	Yoshio Maki[18]	CDP
5th district[changed 2][changed 1]	Nagoya, wards ofNakamura andNakagawa. City ofKiyosu	350,279	Atsushi Nishikawa[18]	CDP
6th district[changed 2][changed 1]	Cities ofKasugai andSeto	359,295	Hideki Niwa[11]	LDP
7th district[changed 1]	Cities ofNagakute,Nisshin,Ōbu,Owariasahi, andToyoake District ofAichi	354,150	Saria Hino[20]	DPP
8th district	Cities ofHanda,Tokoname,Tōkai andChita District ofChita	437,388	Yutaka Banno[14]	CDP
9th district[changed 1]	Cities ofAma,Aisai,Inazawa,Tsushima, andYatomi District ofAma	383,431	Mitsunori Okamoto[11]	CDP
10th district[changed 2][changed 1]	Cities ofIchinomiya andIwakura	354,248	Norimasa Fujiwara[17]	CDP
11th district[changed 1]	Cities ofMiyoshi andToyota	386,121	Midori Tanno[16]	DPP
12th district	Cities ofOkazaki andNishio	445,465	Kazuhiko Shigetoku[20]	CDP
13th district	Cities ofHekinan,Kariya,Anjō,Chiryū, andTakahama	424,402	Kensuke Onishi[15]	CDP
14th district[changed 1]	Cities ofToyokawa,Gamagōri, andShinshiro District ofNukata andKitashitara	294,065	Soichiro Imaeda[14]	LDP
15th district	Cities ofToyohashi andTahara	347,576	Yukinori Nemoto[11]	LDP
16th district[changed 4]	Cities ofKitanagoya,Komaki,Kōnan, andInuyama District ofNishikasugai andNiwa	393,120	Tōru Fukuta	DPP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district[changed 1]	City ofGifu	336,264	Seiko Noda[11]	LDP
2nd district	Cities ofŌgaki andKaizu Districts ofAnpachi,Fuwa,Ibi, andYōrō	298,922	Yasufumi Tanahashi[10]	LDP
3rd district[changed 1]	Cities ofHashima,Kakamigahara,Mino,Mizuho,Motosu,Seki, andYamagata Districts ofHashima andMotosu	411,722	Yoji Muto[9]	LDP
4th district	Cities ofGero,Gujō,Hida,Kani,Minokamo, andTakayama District ofKamo,Kani andŌno	327,816	Masato Imai[18]	CDP
5th district	Cities ofEna,Mizunami,Nakatsugawa,Tajimi, andToki	271,830	Keiji Furuya[21]	LDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district	Cities ofMatsuaka andTsu	358,042	Norihisa Tamura[10]	LDP
2nd district	Cities ofIga,Kameyama,Nabari,Suzuka, and part ofYokkaichi	407,181	Kosuke Shimono[18]	CDP
3rd district	Cities ofInabe,Kuwana, and part ofYokkaichi Districts ofInabe,Kuwana, andMie	414,798	Katsuya Okada[15]	CDP
4th district	Cities ofIse,Kumano,Owase,Toba, andShima Disitricts ofKitamuro,Minamimuro,Taki, andWatarai	294,027	Eikei Suzuki[20]	LDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district[changed 1]	Shizuoka, wards ofAoi andSuruga	386,430	Yōko Kamikawa[18]	LDP
2nd district[changed 1]	Cities ofFujieda,Makinohara,Shimada, andYaizu District ofHaibara	378,801	Tatsunori Ibayashi[14]	LDP
3rd district[changed 1]	CitiesFukuroi,Iwata,Kakegawa,Kikugawa, andOmaezaki District ofShūchi	375,422	Nobuhiro Koyama[18]	CDP
4th district[changed 1]	Shizuoka, ward ofShimizu-ku Cities ofFujinomiya and part ofFuji	318,744	Ken Tanaka[21]	DPP
5th district[changed 1]	Cities ofGotemba,Mishima,Susono, and part ofFuji Districts ofTagata andSuntō (Towns ofOyama)	455,231	Goshi Hosono[23]	LDP
6th district[changed 1]	Cities ofAtami,Itō,Izu,Izunokuni,Numazu, andShimoda Districts	434,785	Shu Wantanabe[18]	CDP
7th district[changed 1]	Hamamatsu, wards ofHamakita,Kita-ku,Nishi-ku, andTenryū City ofKosai	316,233	Minoru Kiuchi[18]	LDP
8th district[changed 1]	Hamamatsu, wards ofHigashi,Minami, andNaka	382,752	Kentaro Genma[19]	CDP

Theblock constituency for Kinki (Kansai) (近畿) elects 29 members proportionally. It corresponds to the Kinki region minusMie Prefecture.

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district	Kobe, wards ofChūō-ku,Higashinada-ku, andNada-ku	394,037	Nobuhiko Isaka[14]	CDP
2nd district	Kobe, wards ofHyōgo-ku,Kita-ku, andNagata-ku Part of the city ofNishinomiya	385,407	Kazuyoshi Akaba[13]	Komeito
3rd district	Kobe, wards ofSuma-ku andTarumi-ku	313,392	Yoshihiro Seki[20]	LDP
4th district	Kobe, ward ofNishi-ku Cities ofKasai,Katō,Miki,Nishiwaki, andOnoDistrict ofTaka	419,227	Hisayuki Fujii[21]	LDP
5th district[changed 1]	Cities ofAsago,Sanda,Tamba,Tamba-Sasayama,Toyooka,Yabu, and part ofKawanishi Districts ofKawabe andMikata	381,054	Koichi Tani[10]	LDP
6th district[changed 1]	Cities ofItami,Takarazuka, and part ofKawanishi	449,512	Shū Sakurai[14]	CDP
7th district	Cities ofAshiya and part ofNishinomiya	443,422	Kenji Yamada[16]	LDP
8th district	City ofAmagasaki	386,380	Hiromasa Nakano[11]	Komeito
9th district	Cities ofAkashi,Awaji,Minamiawaji, andSumoto	363,654	Yasutoshi Nishimura[11]	LDP
10th district	Cities ofKakogawa andTakasago District ofKako	347,377	Kisaburo Tokai[10]	LDP
11th district	Part of the city ofHimeji	399,004	Takeaki Matsumoto[9]	LDP
12th district	Cities ofAioi,Akō,Shisō,Tatsuno, and part ofHimeji Districts ofAkō,Ibo,Kanzaki, andSayō	282,431	Tsuyoshi Yamaguchi[16]	LDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district	Kyoto, wards ofKamigyō-ku,Kita-ku,Nakagyō-ku,Minami-ku, andShimogyō-ku	390,269	Yasushi Katsume[18]	LDP
2nd district	Kyoto, wards ofHigashiyama-ku,Sakyō-ku, andYamashina-ku	263,524	Seiji Maehara[9]	Ishin
3rd district	Kyoto, ward ofFushimi-ku Cities ofMukō andNagaokakyōDistrict ofOtokuni	353,363	Kenta Izumi[14]	CDP
4th district	Kyoto, wards ofNishikyō-ku andUkyō-ku Cities ofKameoka andNantanDistrict ofFunai	394,845	Keiro Kitagami[18]	YK
5th district	Cities ofAyabe,Fukuchiyama,Kyōtango,Maizuru, andMiyazu District ofYosa	236,343	Taro Honda[23]	LDP
6th district	Cities ofJōyō,Kizugawa,Kyōtanabe,Uji, andYawata Districts ofKuse,Sōraku, andTsuzuki	459,643	Kazunori Yamanoi[16]	CDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district	Cities ofIkoma and part ofNara	394,347	Sumio Mabuchi[9]	CDP
2nd district	Cities ofKashiba,Tenri,Yamatokōriyama, and part ofNara Districts ofIkoma,Kitakatsuragi,Shiki, andYamabe	382,819	Sanae Takaichi[10]	LDP
3rd district	Cities ofGojō,Gose,Kashihara,Katsuragi,Sakurai,Uda andYamatotakada Districts ofTakaichi,Uda, andYoshino	352,656	Taido Tanose[10]	LDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district	Osaka, wards ofChūō-ku,Higashinari-ku,Minato-ku,Naniwa-ku,Nishi-ku, andTennōji-ku	433,378	Hidetaka Inoue[14]	Ishin
2nd district	Osaka, wards ofAbeno-ku,Higashisumiyoshi-ku,Hirano-ku, andIkuno-ku	445,958	Tadashi Morishima[9]	Ishin
3rd district	Osaka, wards ofNishinari-ku,Suminoe-ku,Sumiyosho-ku, andTaisho-ku	365,973	Tōru Azuma[20]	Ishin
4th district	Osaka, wards ofFukushima-ku,Jōtō-ku,Kita-ku, andMiyakojima-ku	410,669	Teruo Minobe[9]	Ishin
5th district	Osaka, wards ofHigashiyodogawa-ku,Konohana-ku,Nishiyodogawa-ku, andYodogawa-ku	432,729	Satoshi Umemura[18]	Ishin
6th district	Osaka, wards ofAsahi-ku andTsurumi-ku Cities ofKadoma andMoriguchi	390,026	Kaoru Nishida[14]	Ishin
7th district	Cities ofSettsu andSuita	385,703	Takemitsu Okushita[15]	Ishin
8th district[changed 1]	Cities ofIkeda andToyonaka	423,902	Joji Uruma[25]	Ishin
9th district[changed 1]	Cities ofIbaraki andMinoo District ofToyono	371,891	Kei Hagihara[13]	Ishin
10th district	City ofTakatsuki District ofMishima	320,615	Taku Ikeshita[14]	Ishin
11th district	Cities ofHirakata andKatano	398,982	Hiroshi Nakatsuka[11]	Ishin
12th district	Cities ofDaitō,Neyagawa, andShijōnawate	339,048	Fumitake Fujita[21]	Ishin
13th district	City ofHigashiōsaka	400,456	Ryohei Iwatani[14]	Ishin
14th district	Cities ofFujiidera,Habikino,Kashiwara, andYao	420,979	Hitoshi Aoyagi[13]	Ishin
15th district	Sakai, ward ofMihara-ku Cities ofKawachinagano,Matsubara,Ōsakasayama, andTondabayashiDistrict ofMinamikawachi	388,103	Yasuto Urano[25]	Ishin
16th district	Sakai, wards ofHigashi-ku,Kita-ku, andSakai-ku	326,786	Masaki Kuroda[18]	Ishin
17th district	Sakai, wards ofMinami-ku,Naka-ku, andNishi-ku	329,205	Nobuyuki Baba[26]	Ishin
18th district	Cities ofIzumi,Izumiōtsu,Kishiwada, andTakaishi District ofSenboku	433,984	Takashi Endo[17]	Ishin
19th district	Cities ofHannan,Izumisano,Kaizuka, andSennan District ofSennan	303,724	Nobuhisa Ito[14]	Ishin

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district	Cities ofŌtsu andTakashima	325,422	Alex Saito[15]	Ishin
2nd district[changed 2][changed 1]	Cities ofHigashiōmi,Maibara,Nagahama,Hikone, andŌmihachiman Districts ofEchi,Gamō, andInukami	437,139	Kenichiro Ueno[25]	LDP
3rd district[changed 2][changed 1]	Cities ofKōka,Konan,Kusatsu,Moriyama,Rittō andYasu	392,383	Nobuhide Takemura[10]	LDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district[changed 1]	City ofIwade,Kinokawa, andWakayama	403,217	Daichi Yamamoto[23]	LDP
2nd district[changed 3][changed 1]	Cities ofArida,Gobō,Hashimoto,Kainan,Shingū, andTanabe Districts ofArida,Hidaka,Higashimuro,Ito,Kaisō, andNishimuro	392,379	Hiroshige Sekō[14]	LDP

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

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district[changed 1]	Hiroshima, wards ofHigashi-ku,Minami-ku, andNaka-ku District ofAki (Towns ofFuchū,Kaita, andSaka)	410,425	Fumio Kishida	LDP
2nd district[changed 1]	Hiroshima, wards ofNishi-ku andSaeki-ku Cities ofHatsukaichi, andŌtake	391,029	Hiroshi Hiraguchi[23]	LDP
3rd district[changed 1]	Hiroshima, wards ofAki-ku,Asakita-ku andAsaminami-ku City ofAkitakataDistrict ofYamagata	423,244	Tetsuo Saito	Komeito
4th district[changed 1]	Cities ofEtajima,Higashihiroshima,Kure, andTakehara Districts ofToyota andAki (Town ofKumano)	398,489	Seiki Soramoto	Ishin
5th district[changed 1]	Fuchū,Mihara,Miyoshi,Onomichi, andShōbara Districts ofJinseki andSera	309,901	Koji Sato[10]	CDP
6th district[changed 1]	City ofFukuyama	381,074	Fumiaki Kobayashi	LDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district[changed 1]	Okayama, ward ofKita-ku Cities ofAkaiwa andBizenDistricts ofKaga andWake	329,469	Ichiro Aisawa[13]	LDP
2nd district[changed 1]	Okayama, ward ofHigashi-ku,Minami-ku, andNaka-ku Cities ofSetouchi andTamano	417,620	Takashi Yamashita[16]	LDP
3rd district[changed 1]	Cities ofAsakuchi,Ibara,Kasaoka,Mimasaka,Maniwa,Niimi,Sōja,Takahashi, andTsuyama Districts ofAida,Asakuchi,Katsuta,Kume,Maniwa,Oda, andTomata	410,597	Katsunobu Katō[23]	LDP
4th district[changed 1]	City ofKurashiki District ofTsukubo	405,558	Michiyoshi Yunoki[23]	CDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district[changed 2][changed 1]	Cities ofMatsue,Unnan, andYasugi Districts ofIishi,Nita, andOki	259,179	Akiko Kamei[23]	CDP
2nd district[changed 2][changed 1]	CitiesGōtsu,Hamada,Izumo,Masuda, andŌda Districts ofKanoashi andŌchi	296,468	Yasuhiro Takami[10]	LDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district[changed 3]	Cities ofKurayoshi andTottori District ofIwami,Yazu, andTōhaku (Town ofMisasa)	229,371	Shigeru Ishiba[14]	LDP
2nd district[changed 3]	Cities ofSakaiminato andYonago Districts ofHino,Saihaku, andTōhaku (Towns ofHokuei,Kotoura, andYurihama)	232,955	Ryosei Akazawa[13]	LDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district[changed 1]	Cities ofHōfu,Ube, andYamaguchi	391,474	Masahiko Kōmura[18]	LDP
2nd district[changed 1]	Cities ofHikari,Iwakuni,Kudamatsu,Shūnan, andYanai Districts ofKuga,Kumage, andŌshima	386,937	Nobuchiyo Kishi[18]	LDP
3rd district[changed 1]	Cities ofHagi,Mine,Nagato, San'yō-Onoda, andShimonoseki District ofAbu	355,510	Yoshimasa Hayashi[23]	LDP

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

District	Areas included	Number of constituents[8]	Representative	Party represented	Map
1st district[changed 1]	City ofMatsuyama	426,322	Akihisa Shiozaki[20]	LDP
2nd district[changed 3][changed 1]	Cities ofImabari,Niihama,Saijō, andShikokuchūō District ofOchi	393,597	Yoichi Shiraishi[9]	CDP
3rd district[changed 3][changed 1]	CitiesIyo,Ōzu,Seiyo,Uwajima,Tōon, andYawatahama DistrictsIyo,Kamiukena,Kita,Kitauwa,Minamiuwa, andNishiuwa	314,289	Junji Hasegawa[14]	LDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district	Part of the city ofTakamatsu Districts ofKagawa andShozu	312,992	Junya Ogawa[15]	CDP
2nd district	Cities ofHigashikagawa,Sakaide,Sanuki and parts ofTakamatsu andMarugame DistrictsKita andAyauta	256,773	Yuichiro Tamaki[10]	DPP
3rd district	CitiesKan'onji,Mitoyo,Zentsūji, and part ofMarugame District ofNakatado	238,016	Keitaro Ohno[15]	LDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district[changed 2][changed 3]	Cities ofAki,Kami,Kōnan,Muroto,Nankoku, and part ofKōchi Districts ofAki,Nagaoka, andTosa	308,938	Gen Nakatani[11]	LDP
2nd district[changed 2][changed 3]	Cities ofShimanto,Susaki,Sukumo andTosa,Tosashimizu, and part ofKōchi Districts ofAgawa,Hata, andTakaoka,	284,670	Masanao Ozaki[15]	LDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district[changed 2][changed 3]	Cities of:Tokushima,Komatsushima, andAnan. Districts of:Myodo,Kaifu,Myozai,Katsura, andNaka.	360,095	Hirobumi Niki[11]	LDP
2nd district[changed 2][changed 3]	Cities of:Awa,Yoshinogawa,Naruto,Mima, andMiyoshi. Districts of:Itano,Mima, andMiyoshi.	258,564	Shunichi Yamaguchi[16]	LDP

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

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district[changed 1]	Fukuoka, wards ofHakata-ku and part ofHigashi-ku	431,653	Takahiro Inoue[14]	LDP
2nd district	Fukuoka, wards ofChūō-ku and part ofJonan-ku andMinami-ku	453,775	Shūji Inatomi[15]	CDP
3rd district	Fukuoka, wards ofNishi-ku,Sawara-ku, and part ofJonan-ku City ofItoshima	446,205	Atsushi Koga[18]	LDP
4th district[changed 1]	Fukuoka, part of the ward ofHigashi-ku CitiesFukutsu,Koga, andMunakataDistrict ofKasuya	398,041	Hideki Miyauchi[9]	LDP
5th district	Fukuoka, part of the ward ofMinami-ku Cities ofAsakura,Chikushino,Dazaifu,Kasuga,Nakagawa andŌnojōDistrict ofAsakura	456,331	Kurihara Wataru[10]	LDP
6th district	Cities ofKurume,Ogōri,Ōkawa, andUkiha Districts ofMii andMizuma	373,877	Jiro Hatoyama[23]	LDP
7th district	Cities ofChikugo,Miyama,Ōmuta,Yame, andYanagawa District ofYame	286,562	Satoshi Fujimaru[21]	LDP
8th district	Cities ofIizuka,Kama,Miyawaka,Nakama, andNogata Districts ofKaho,Kurate, andOnga	347,369	Tarō Asō[13]	LDP
9th district	Kitakyushu, wards ofTobata-ku,Wakamatsu-ku,Yahatahigashi-ku, andYahatanishi-ku	378,490	Rintaro Ogata[15]	Ind.
10th district	Kitakyushu, wards ofKokurakita-ku,Kokuraminami-ku, andMoji-ku	406,620	Takashi Kii[18]	CDP
11th district	Cities ofBuzen,Tagawa, andYukuhashi Districts ofChikujō,Miyako, andTagawa	255,347	Tomonobu Murakami[10]	Ishin

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district	Part of the city ofKagoshima District ofKagoshima	357,284	Hiroshi Kawauchi[9]	CDP
2nd district	Cities ofAmami,Ibusuki,Makurazaki,Minamisatsuma,Minamikyūshū, and part ofKagoshima District ofŌshima	334,582	Satoshi Mitazono[9]	Ind./LDP
3rd district	Cities ofAira,Akune,Hioki,Ichikikushikino,Isa,Izumi, andSatsumasendai Districts ofAira,Izumi, andSatsuma	316,469	Takeshi Noma[11]	CDP
4th district	Cities ofKanoya,Kirishima,Nishinoomote,Shibushi,Soo, andTarumizu District ofKimotsuki,Kumage, andSoo	323,373	Hiroshi Moriyama[9]	LDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district	Kumamoto, wards ofChūō,Higashi, andKita	422,072	Minoru Kihara[18]	LDP
2nd district	Kumamoto, wards ofNishi andMinami Cities ofArao andTamanaDistrict ofTamana	313,172	Daisuke Nishino[11]	LDP
3rd district	Cities ofKōshi,Aso,Kikuchi, andYamaga Districts ofAso,Kamimashiki, andKikuchi	315,454	Tetsushi Sakamoto[10]	LDP
4th district[changed 3]	Cities ofAmakusa,Hitoyoshi,Kami-Amakusa,Minamata,Uki,Uto, andYatsushiro Districts ofAshikita,Amakusa,Kuma,Shimomashiki, andYatsushiro	399,867	Yasushi Kaneko[18]	LDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
Miyazaki 1st	City ofMiyazaki District ofHigashimorokata	354,398	So Watanabe[12]	CDP
Miyazaki 2nd	Cities ofHyūga,Nobeoka, andSaito Districts ofHigashiusuki,Koyu, andNishiusuki	270,284	Taku Etō[17]	LDP
Miyazaki 3rd	Cities ofEbino,Kobayashi,Kushima,Miyakonojō, andNichinan Districts ofKitamorokata andNishimorokata	271,813	Yoshihisa Furukawa[21]	LDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district[changed 1]	City ofNagasaki	344,579	Hideko Nishioka[11]	DPFP
2nd district[changed 1]	Cities ofIki,Isahaya,Minamishimabara,Ōmura,Shimabara,Unzen, andTsushima District ofNishisonogi	403,812	Ryusho Kato[18]	LDP
3rd district[changed 3][changed 1]	Cities ofGotō,Hirado,Matsuura,Saikai, andSasebo Districts ofHigashisonogi,Kitamatsuura, andMinamimatsura	357,963	Yaichi Tanigawa[10]	LDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district	Part of the city ofŌita	386,368	Shuji Kira[18]	YK
2nd district	Cities ofBungo-ōno,Hita,Saiki,Taketa,Tsukumi,Yufu,Usuki, and part ofŌita District ofKusu	264,423	Ken Hirose[17]	Ind./LDP
3rd district	Cities ofBeppu,Bungotakada,Kitsuki,Nakatsu,Kunisaki, andUsa Districts ofHayami, andHigashikunisaki	299,659	Takeshi Iwaya[14]	LDP

District	Areas included	Number of constituents[8]	Current representative	Party represented	Map
1st district[changed 2]	City ofNaha District ofShimajiri (Town ofKumejima and villages ofAguni,Kitadaitō,Minamidaitō,Tokashiki,Tonaki, andZamami)	268,018	Seiken Akamine[13]	JCP
2nd district[changed 2]	Cities ofGinowan andUrasoe District ofNakagami	296,016	Kunio Arakaki[13]	SDP
3rd district[changed 2]	Cities ofNago,Okinawa,Uruma Districts ofKunigami andShimajiri (Villages ofIheya andIzena)	318,484	Aiko Shimajiri[20]	LDP
4th district[changed 5]	Cities ofMiyakojima,Ishigaki,Itoman,Tomigusuku andNanjō. Districts of:Miyako,Yaeyama,Shimajiri (Towns ofHaebaru,Yaese, andYonabaru)	296,996	Kōsaburō Nishime[11]	LDP