As of 2024, 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.

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.

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]

Based on a legal amendment in 2016, the number of electoral districts in each prefecture is currently apportioned according to the Adams method in proportion to the number of voters in the prefecture in the large-scale census conducted every 10 years. ^[8] Based on the first large-scale census conducted in 2020 after the legal amendment, the single-seat constituency boundaries were revised in the 2022 Election Law amendment. Ten prefectures (Miyagi, Fukushima, Niigata, Shiga, Wakayama, Okayama, Hiroshima, Yamaguchi, Ehime, and Nagasaki) lost one constituency each, while Saitama, Chiba, and Aichi each gained one, Kanagawa gained two, and Tokyo gained five. ^[9]

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.

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
District 1	Sapporo, wards of Chūō-ku and Minami-ku, parts Nishi-ku and Kita-ku wards	455,279	Takahiro Kato[11]	LDP
District 2	Sapporo, ward of Higashi-ku and part of Kita-ku ward	459,952	Yusuke Takahashi[11]	LDP
District 3[changed 1]	Sapporo, wards of Toyohira-ku, Kiyota-ku and part of Shiroishi-ku ward	462,546	Hirohisa Takagi[12]	LDP
District 4[changed 1]	Sapporo, ward of Teine-ku and part of Nishi-ku ward Cities of Otaru and Ishikari Shiribeshi Subprefecture	398,852	Hiroyuki Nakamura[13]	LDP
District 5[changed 1]	Sapporo, ward of Atsubetsu-ku, part of Shiroishi-ku ward Cities of Chitose, Ebetsu, Eniwa and Kitahiroshima Ishikari Subprefecture	428,845	Yoshiaki Wada[14]	LDP
District 6[changed 2]	Cities of Asahikawa, Furano, Nayoro and Shibetsu Kamikawa Subprefecture	395,302	Kuniyoshi Azuma[15]	LDP
District 7[changed 2]	Cities of Kushiro and Nemuro Kushiro Subprefecture and Nemuro Subprefecture	237,537	Takako Suzuki[16]	LDP
District 8	Cities of Hakodate and Hokuto Hiyama Subprefecture and Oshima Subprefecture	339,230	Jun Mukōyama[17]	LDP
District 9	Cities of Date, Muroran, Noboribetsu and Tomakomai Hidaka Subprefecture and Iburi Subprefecture	361,963	Hideki Matsushita[18]	CDP
District 10[changed 2]	Cities of Akabira, Ashibetsu, Bibai, Fukagawa, Iwamizawa, Mikasa, Rumoi, Sunagawa, Takikawa and Utashinai Rumoi Subprefecture and Sorachi Subprefecture	262,277	Hiroshi Kamiya[16]	CRAJ
District 11	City of Obihiro Tokachi Subprefecture	273,408	Koichi Nakagawa[16]	LDP
District 12[changed 2]	Cities of Abashiri, Kitami, Monbetsu and Wakkanai Okhotsk Subprefecture and Sōya Subprefecture	267,346	Arata Takebe[12]	LDP

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

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district	City of Akita	253,265	Hiroyuki Togashi[12]	LDP
2nd district	Cities of Katagami, Kazuno, Kitaakita, Noshiro, Ōdate and Oga Districts of Kazuno, Kitaakita, Minamiakita and Yamamoto	239,942	Katsuyuki Watanabe[11]	LDP
3rd district	Cities of Daisen, Nikaho, Semboku, Yokote, Yurihonjō and Yuzawa Districts of Ogachi and Senboku	299,529	Toshihide Muraoka[11]	DPP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
District 1	Cities of Aomori and Mutsu District of Higashitsugaru, Shimokita and part of district of Kamikita	323,705	Jun Tsushima[19]	LDP
District 2	Cities of Hachinohe, Misawa and Towada Part of district of Shimokita	371,661	Junichi Kanda[20]	LDP
District 3	Cities of Hirakawa, Hirosaki, Goshogawara, Kuroishi and Tsugaru Districts of Kitatsugaru, Minamitsugaru, Nakatsugaru and Nishitsugaru	327,919	Jiro Kimura[20]	CDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
District 1[changed 1]	Cities of Date, Fukushima, Motomiya and Nihonmatsu Districts of Date and Sōma	376,502	Naotoshi Nishiyama[20]	LDP
District 2[changed 1]	Cities of Kōriyama, Sukagawa and Tamura Districts of Iwase, Ishikawa and Tamura	419,955	Taku Nemoto	LDP
District 3[changed 1]	Cities of Aizuwakamatsu, Kitakata and Shirakawa District of Higashishirakawa, Kawanuma, Minamiaizu, Nishishirakawa, Ōnuma and Yama	320,070	Kentarō Uesugi	LDP
4th District[changed 1]	Cities of Iwaki, Minamisōma and Sōma Districts of Futaba and Sōma	392,434	Ryutaro Sakamoto[17]	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district	City of Morioka District of Shiwa	286,099	Takeshi Shina[21]	CRAJ
2nd district[changed 3]	Cities of Hachimantai, Kamaishi, Kuji, Miyako, Ninohe, Ōfunato, Rikuzentakata, Takizawa, and Tōno Districts of Iwate, Kamihei, Kesen, Kunohe, Ninohe, and Shimohei	342,912	Shun'ichi Suzuki[21]	LDP
3rd district[changed 3]	Cities of Hanamaki, Ichinoseki, Kitakami, and Ōshū Districts of Isawa, Nishiiwai, and Waga	360,309	Takashi Fujiwara[22]	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district[changed 1]	Sendai, wards of Aoba-ku and Taihaku-ku	448,291	Tōru Doi[23]	LDP
2nd district	Sendai, wards of Izumi-ku, Miyagino-ku and Wakabayashi-ku	453,667	Katsuyuki Watanabe[20]	LDP
3rd district[changed 1]	Cities of Iwanuma, Kakuda, Natori, and Shiroishi Districts of Igu, Katta, Shibata, and Watari	276,350	Akihiro Nishimura[13]	LDP
4th district[changed 1]	Cities of Higashimatsushima, Ishinomaki, Shiogama, Tagajō, and Tomiya Districts of Kurokawa, Miyagi, and Oshika	379,938	Chisato Morishita[16]	LDP
5th district[changed 1]	Cities of Kesennuma, Kurihara, Ōsaki, and Tome Districts of Kami, Motoyoshi, and Tōda	332,993	Itsunori Onodera[15]	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district	Cities of Kaminoyama, Tendō, and Yamagata District of Higashimurayama	294,877	Toshiaki Endo[19]	LDP
2nd district	Cities of Higashine, Murayama, Nagai, Nan'yō, Obanazawa, Sagae, and Yonezawa Districts of Higashiokitama, Kitamurayama, Nishimurayama, and Nishiokitama	297,350	Norikazu Suzuki[21]	LDP
3rd district	Cities of Sakata, Shinjō, and Tsuruoka Districts of Akumi, Higashitagawa, and Mogami	270,727	Ayuko Kato[20]	LDP

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

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district[changed 1]	Cities of Maebashi and Numata District of Tone	336,483	Yasutaka Nakasone[13]	LDP
2nd district[changed 1]	Cities of Isesaki, Kiryū, and Midori District Sawa	323,710	Toshiro Ino[16]	LDP
3rd district[changed 1]	Cities of Ōta and Tatebayashi District of Oura	314,548	Hiroyoshi Sasakawa[21]	LDP
4th district	Cities of Fujioka and part of Takasaki District of Tano	290,465	Tatsuo Fukuda[22]	LDP
5th district[changed 1]	Cities of Annaka, Shibukawa, Tomioka, and part of Takasaki Districts of Agatsuma, Kanra, and Kitagunma	307,616	Yūko Obuchi[17]	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district[changed 1]	Cities of Chikusei, Kasama, Mito, and Sakuragawa District of Higashiibaraki (Town of Shirosato)	416,696	Yoshinori Tadokoro	LDP
2nd district[changed 1]	Cities of Hokota, Itako, Kashima, Kamisu, Namegata, and Omitama District of Higashiibaraki (Towns of Ibaraki and Ōarai)	295,363	Fukushiro Nukaga[13]	LDP
3rd district	Cities of Inashiki, Moriya, Ryūgasaki, Toride, and Ushiku Districts of Inashiki and Kitasouma	385,766	Yasuhiro Hanashi[24]	LDP
4th district[changed 3][changed 1]	Cities of Hitachinaka, Hitachiōmiya, Hitachiōta, and Naka District of Kuji	262,114	Hiroshi Kajiyama[20]	LDP
5th district[changed 3]	Cities of Hitachi, Kitaibaraki, and Takahagi District of Naka	230,687	Satoshi Asano[15]	DPFP
6th district[changed 1]	Cities of Ishioka, Kasumigaura, Tsuchiura, Tsukuba, and Tsukubamirai	455,564	Ayano Kunimitsu	LDP
7th district[changed 1]	Cities of Bandō, Jōsō, Koga, Shimotsuma and Yūki Districts of Sashima and Yūki	320,150	Hayato Nakamura[13]	Ind.[a]

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district[changed 1]	Saitama, wards of Midori-ku, Minuma, and Urawa-ku	387,753	Hideki Murai[11]	LDP
2nd district[changed 1]	Part of city of Kawaguchi	388,246	Yoshitaka Shindō[21]	LDP
3rd district[changed 1]	Cities of Koshigaya and part of Kawaguchi	380,633	Hitoshi Kikawada[20]	LDP
4th district	Cities of Asaka, Niiza, Shiki, and Wakō	391,025	Yasushi Hosaka[24]	LDP
5th district[changed 1]	Saitama, wards of Chūō-ku, Kita-ku, Nishi-ku and Ōmiya-ku	399,486	Yutaka Ihara[19]	LDP
6th district[changed 1]	Cities of Ageo, Kitamoto, Kōnosu, and Okegawa	413,155	Akihito Obana[17]	LDP
7th district[changed 1]	Cities of Fujimi and Kawagoe	388,446	Hideyuki Nakano[13]	LDP
8th district[changed 1]	Cities of Fujimino, and Tokorozawa District of Iruma (Town of Miyoshi)	417,568	Masahiko Shibayama[21]	LDP
9th district	Cities of Hannō, Hidaka, Iruma, and Sayama District of Iruma (Towns of Moroyama and Ogose)	398,261	Taku Otsuka[17]	LDP
10th district	Cities of Higashimatsuyama, Sakado, and Tsurugashima District of Hiki	324,351	Susumu Yamaguchi[18]	LDP
11th district[changed 1]	Cities of Chichibu, Fukaya, and Honjō Districts of Chichibu, Kodama, and Ōsato	332,461	Ryūji Koizumi[20]	LDP
12th district[changed 1]	Cities of Gyōda, Hanyū, Kazo, and Kumagaya	366,773	Atsushi Nonaka[11]	LDP
13th district[changed 1]	Cities of Hasuda, Kuki, Satte, and Shiraoka Districts of Kita-Adachi, Kitakatsushika (Town of Sugito), and Minamisaitama	369,108	Hiromi Mitsubayashi[12]	LDP
14th district[changed 1]	Cities of Misato, Sōka, and Yashio	401,401	Makoto Fujita[11]	LDP
15th district[changed 1]	Saitama, wards of Minami-ku and Sakura-ku Cities Toda and Warabi	412,522	Ryōsei Tanaka[12]	LDP
16th district[changed 4]	Saitama, ward of Iwatsuki-ku Cities of Kasukabe and Yoshikawa District of Kitakatsushika (Town of Matsubushi)	372,652	Shinako Tsuchiya	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district[changed 1]	Part of city of Utsunomiya District of Kawachi	416,462	Hajime Funada[22]	LDP
2nd district[changed 1]	Cities of Kanuma, Nikkō, Sakura, and part of Utsunomiya District of Shioya	249,056	Kiyoshi Igarashi	LDP
3rd district	Cities of Nasukarasuyama, Nasushiobara, Ōtawara, and Yaita District of Nasu	233,377	Shintaro Watanabe	Ind
4th district[changed 1]	Cities of Mooka, Oyama, and Shimotsuke Districts of Haga and Shimotsuga	352,039	Masaru Ishizaka	LDP
5th district[changed 1]	Cities of Ashikaga, Sano, and Tochigi	338,944	Toshimitsu Motegi[11]	LDP

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.

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district	Chiba, wards of Chūō-ku, Inage-ku, and Mihama-ku	441,218	HIroaki Kadoyama[12]	LDP
2nd district[changed 1]	Chiba, ward of Hanamigawa-ku City Yachiyo	319,069	Takayuki Kobayashi[20]	LDP
3rd district[changed 2]	Chiba, ward of Midori-ku City of Ichihara	332,534	Hirokazu Matsuno[11]	LDP
4th district[changed 3][changed 1]	Part of the cities of Funabashi, Ichikawa	408,742	Yusuke Kashima[13]	LDP
5th district[changed 2][changed 1]	Cities of Urayasu, and part of Ichikawa	418,407	Arfiya Eri[19]	LDP
6th district[changed 2][changed 1]	City of Matsudo	415,377	Hiromichi Watanabe[14]	LDP
7th district[changed 1]	Cities of Nagareyama and Noda	298,442	Ken Saitō[21]	LDP
8th district[changed 2][changed 1]	City of Kashiwa	361,789	Izumi Matsumoto[24]	CDP
9th district[changed 2]	Chiba, ward of Wakaba-ku Cities of Sakura, Yachimata, and Yotsukaidō	400,181	Hisato Tamiya[17]	LDP
10th district[changed 1]	Cities of Asahi, Chōshi, Katori, Narita, and Sōsa Districts of Katori	318,855	Masaaki Koike[24]	LDP
11th district[changed 1]	Cities of Isumi, Katsuura, Mobara, Ōamishirasato, Tōgane, and Sanmu Districts of Chōsei, Isumi, and Sanbu	345,370	Eisuke Mori[11]	LDP
12th district	Cities of Futtsu, Kamogawa, Kimitsu, Kisarazu, Minamibōsō, Sodegaura, and Tateyama District of Awa	371,144	Yasukazu Hamada[24]	LDP
13th district[changed 3][changed 5][changed 1]	Cities of Abiko, Inzai, Kamagaya, Shiroi, and Tomisato District of Iba	417,827	Hisashi Matsumoto[11]	LDP
14th district[changed 4]	Cities of Narashino and part of Funabashi	413,431	Yoshihiko Noda	CRAJ

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district	Yokohama, wards of Naka-ku, Isogo-ku, and Kanazawa-ku	424,793	Natsuko Maruo	LDP
2nd district	Yokohama, wards of Kōnan-ku, Minami-ku, and Nishi-ku	436,476	Nitta Shobun	LDP
3rd district	Yokohama, wards of Kanagawa-ku and Tsurumi-ku	449,343	Kenji Nakanishi[13]	LDP
4th district	Yokohama, ward of Sakae-ku Cities of Kamakura and Zushi Districts of Miura	329,894	Marina Nagata	LDP
5th district[changed 1]	Yokohama, wards of Izumi-ku and Totsuka-ku	363,330	Manabu Sakai[21]	LDP
6th district	Yokohama, wards of Asahi-ku and Hodogaya-ku	377,316	Naoki Furukawa	LDP
7th district[changed 2][changed 1]	Yokohama, ward of Kōhoku-ku	301,876	Keisuke Suzuki	LDP
8th district[changed 2][changed 1]	Yokohama, wards of Midori-ku and Aoba-ku	408,873	Hidehiro Mitani	LDP
9th district[changed 2][changed 1]	Kawasaki, wards of Asao-ku and Tama-ku	336,776	Masahiro Uehara	LDP
10th district[changed 3][changed 1]	Kawasaki, wards of Kawasaki-ku and Saiwai-ku)	332,878	Kazunori Tanaka[12]	LDP
11th district	Cities of Miura and Yokosuka.	360,287	Shinjirō Koizumi[20]	LDP
12th district	City of Fujisawa District of Koza	412,246	Tsuyoshi Hoshino	LDP
13th district[changed 1]	Yokohama, ward of Seya-ku Cities of Ayase and Yamato	374,032	Koichiro Maruta	LDP
14th district[changed 2][changed 1]	Sagamihara, wards of Chūō-ku and Midori-ku District of Aikō	402,467	Jiro Akama[15]	LDP
15th district[changed 1]	Cities of Chigasaki and Hiratsuka District of Naka (Town of Ōiso)	453,322	Taro Kono[20]	LDP
16th district[changed 2][changed 1]	Cities of Atsugi, Ebina, and Isehara	383,206	Masashi Sato	LDP
17th district[changed 1]	Cities of Hadano, Minamiashigara, and Odawara Districts of Ashigarakami, Ashigarashimo, and Naka (Town of Ninomiya)	441,819	Karen Makishima[11]	LDP
18th district[changed 5][changed 3][changed 1]	Kawasaki, wards of Nakahara-ku and Takatsu-ku	417,184	Daishiro Yamagiwa[18]	LDP
19th district[changed 4]	Kawasaki, ward of Miyamae-ku Yokohama, ward of Tsuzuki-ku	370,252	Kusama Tsuyoshi	LDP
20th district[changed 4]	Sagamihara, ward of Minami-ku City of Zama	346,355	Yui Kanazawa	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
District 1[changed 3]	Cities of Kōfu, Nirasaki, Hokuto, Minami-arupusu, Chūō, Kai Districts of Nishiyatsushiro, Minamikoma, and Nakakoma	418,192	Shinichi Nakatani[13]	LDP
District 2[changed 3]	Cities of Yamanashi, Fujiyoshida, Ōtsuki, Tsuru, Fuefuki, Kōshū, and Uenohara Districts of Kitatsuru and Minamitsuru	252,495	Noriko Horiuchi[24]	LDP

The block 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[10]	Current representative	Party represented	Map
1st district[changed 1]	Tokyo, wards of Chiyoda and Shinjuku	331,113	Miki Yamada[18]	LDP
2nd district[changed 1]	Tokyo, wards of Chūō and Taitō	327,734	Kiyoto Tsuji[12]	LDP
3rd district[changed 1]	Tokyo, the ward of Shinagawa. Also includes the Izu Islands and Ogasawara Subprefecture	366,246	Hirotaka Ishihara[11]	LDP
4th district[changed 1]	Tokyo, part of the ward of Ōta	431,925	Masaaki Taira[12]	LDP
5th district[changed 1]	Tokyo, part of the ward of Setagaya	378,222	Kenji Wakamiya[12]	LDP
6th district[changed 1]	Tokyo, part of the ward of Setagaya	403,059	Shogo Azemoto[17]	LDP
7th district[changed 1]	Tokyo, wards of Minato and Shibuya	404,233	Tamayo Marukawa[13]	LDP
8th district[changed 1]	Tokyo, part of the ward of Suginami	392,721	Hiroko Kado[18]	LDP
9th district[changed 1]	Tokyo, part of the ward of Nerima	309,062	Isshu Sugawara[18]	LDP
10th district[changed 1]	Tokyo, wards of Bunkyō and Toshima	419,976	Hayato Suzuki[21]	LDP
11th district[changed 1]	Tokyo, part of the ward of Itabashi	392,484	Hakubun Shimomura[21]	LDP
12th district[changed 1]	Tokyo, wards of Kita and part of Itabashi	380,213	Kei Takagi[17]	LDP
13th district[changed 1]	Tokyo, part of the ward of Adachi	391,591	Shin Tsuchida[12]	LDP
14th district[changed 1]	Tokyo, wards of Sumida and part of Edogawa	407,936	Midori Matsushima[11]	LDP
15th district[changed 1]	Tokyo, ward of Kōtō	434,874	Kōki Ōzora[20]	LDP
16th district[changed 1]	Tokyo, part of the ward of Edogawa	392,776	Yohei Onishi[17]	LDP
17th district[changed 1]	Tokyo, ward of Katsushika	385,203	Katsuei Hirasawa[24]	LDP
18th district[changed 1]	Cities of Musashino, Nishitokyo, and Koganei.	401,191	Kaoru Fukuda[20]	LDP
19th district[changed 1]	Cities of Kodaira, Kokubunji, and Kunitachi	334,776	Yohei Matsumoto[21]	LDP
20th district	Cities of Higashimurayama, Higashiyamato, Kiyose, Higashikurume, and Musashimurayama	418,027	Seiji Kihara[20]	LDP
21st district[changed 1]	Cities of Hino, Tachikawa, and part Hachiōji	407,703	Kiyoshi Odawara[17]	LDP
22nd district[changed 1]	Cities of Chōfu, Komae, and Mitaka	430,570	Tatsuya Ito[16]	LDP
23rd district[changed 1]	City of Machida	361,911	Shinichiro Kawamatsu[17]	LDP
24th district[changed 1]	Part of the city of Hachiōji.	380,361	Kōichi Hagiuda[24]	LDP
25th district	Cities of Akiruno, Akishima, Fussa, Hamura, and Ōme District of Nishitama	410,527	Shinji Inoue[16]	LDP
26th district[changed 4]	Tokyo, wards of Meguro and part of Ōta	434,770	Ueki Imaoka	LDP
27th district[changed 4]	Tokyo, wards of Nakano and part of Suginami	384,862	Yuichi Kurosaki	LDP
28th district[changed 4]	Tokyo, part of the ward of Nerima	315,926	Takao Ando	LDP
29th district[changed 4]	Tokyo, wards of Arakawa and part of Adachi	358,101	Kosuke Nagasawa	LDP
30th district[changed 4]	Cities of Fuchū, Inagi, and Tama	422,243	Akihisa Nagashima	LDP

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

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district[changed 3]	Cities of Awara, Fukui, Katsuyama, Ono, and Sakai District of Yoshida	363,492	Tomomi Inada[16]	LDP
2nd district[changed 3]	Cities of Echizen, Obama, Sabae, and Tsuruga Districts of Imadate, Mikata, Minamikaminaka, Nanjō, Nyū, and Ōi	253,471	Takeshi Saiki	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district	City of Kanazawa	371,757	Takuo Komori[20]	LDP
2nd district	Cities of Hakusan, Kaga, Komatsu, Nomi, and Nonoichi District of Nomi	321,328	Hajime Sasaki[21]	LDP
3rd district	Cities of Hakui, Kahoku, Nanao, Suzu, and Wajima. Districts of Hakui, Hōsu, Kahoku, and Kashima.	227,067	Shoji Nishida[13]	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district[changed 2][changed 1]	Niigata, wards of Chūō-ku, Higashi-ku, and Kōnan-ku City of Sado	357,548	Ko Uchiyama	LDP
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	389,898	Isato Kunisada	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	366,303	Hiroaki Saito	LDP
4th district[changed 1]	Cities of Kashiwazaki, Mitsuke, Nagaoka, and Ojiya District of Kariwa and Santō	349,437	Eiichiro Washio	LDP
5th district[changed 1]	Cities of Itoigawa, Jōetsu, Minamiuonuma, Myōkō, Uonuma, and Tōkamachi Districts of Minamiuonuma and Nakauonuma	336,993	Shuichi Takatori	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district	Cities of Iiyama, Nakano, Suzaka, and part of Nagano Districts of Kamitakai, Shimominochi, and Shimotakai	414,923	Kenta Wakabayashi[14]	LDP
2nd district	Cities of Azumino, Matsumoto and Ōmachi, and part of Nagano Districts of Higashichikuma, Kamiminochi, and Kitaazumi	374,529	Hikaru Fujita[21]	LDP
3rd district	Cities of Chikuma, Komoro, Saku, Tōmi and Ueda Districts of Chiisagata, Hanishina, Kitasaku, and Minamisaku	391,653	Yosei Ide[16]	LDP
4th district	Cities of Chino, Okaya, Shiojiri, and Suwa Districts of Kiso and Suwa	233,933	Shigeyuki Goto[25]	LDP
5th district	Cities of Iida, Ina and Komagane Districts of Kamiina and Shimoina	270,927	Ichiro Miyashita[11]	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district	Part of the city of Toyama	263,242	Hiroshi Nakada[12]	LDP
2nd district	Cities of Kurobe, Namerikawa, Uozu, and part of Toyama Districts of Nakaniikawa and Shimoniikawa.	237,585	Eishun Ueda[26]	LDP
3rd district	Cities of Himi, Imizu, Nanto, Oyabe, Takaoka, and Tonami	349,960	Keiichiro Tachibana[12]	LDP

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.

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district	Nagoya, wards of Higashi, Kita, Nishi, and Naka	413,536	Takashi Kawamura[20]	Tax Cuts Japan and Yukoku Alliance
2nd district	Nagoya, wards of Chikusa, Moriyama and Meitō	404,572	Motohisa Furukawa[22]	DPP
3rd district	Nagoya, wards of Shōwa, Midori and Tenpaku	418,057	Yoshihiko Mizuno[20]	LDP
4th district	Nagoya, wards of Mizuho, Atsuta, Minato and Minami.	366,478	Shozo Kudo[20]	LDP
5th district[changed 2][changed 1]	Nagoya, wards of Nakamura and Nakagawa. City of Kiyosu	349,556	Yasuhiro Okamoto[20]	LDP
6th district[changed 2][changed 1]	Cities of Kasugai and Seto	353,805	Hideki Niwa[13]	LDP
7th district[changed 1]	Cities of Nagakute, Nisshin, Ōbu, Owariasahi, and Toyoake District of Aichi	354,699	Saria Hino[21]	DPP
8th district	Cities of Handa, Tokoname, Tōkai and Chita District of Chita	431,748	Tadahiko Ito[16]	LDP
9th district[changed 1]	Cities of Ama, Aisai, Inazawa, Tsushima, and Yatomi District of Ama	376,463	Yasumasa Nagasaka[13]	LDP
10th district[changed 2][changed 1]	Cities of Ichinomiya and Iwakura	349,767	Shinji Wakayama[19]	LDP
11th district[changed 1]	Cities of Miyoshi and Toyota	382,674	Midori Tanno[18]	DPP
12th district	Cities of Okazaki and Nishio	441,336	Shuhei Aoyama[21]	LDP
13th district	Cities of Hekinan, Kariya, Anjō, Chiryū, and Takahama	422,982	Taku Ishii[17]	LDP
14th district[changed 1]	Cities of Toyokawa, Gamagōri, and Shinshiro District of Nukata and Kitashitara	288,243	Soichiro Imaeda[16]	LDP
15th district	Cities of Toyohashi and Tahara	340,014	Yukinori Nemoto[13]	LDP
16th district[changed 4]	Cities of Kitanagoya, Komaki, Kōnan, and Inuyama District of Nishikasugai and Niwa	388,491	Shizuo Yamashita	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district[changed 1]	City of Gifu	331,037	Seiko Noda[13]	LDP
2nd district	Cities of Ōgaki and Kaizu Districts of Anpachi, Fuwa, Ibi, and Yōrō	289,874	Yasufumi Tanahashi[12]	LDP
3rd district[changed 1]	Cities of Hashima, Kakamigahara, Mino, Mizuho, Motosu, Seki, and Yamagata Districts of Hashima and Motosu	405,814	Yoji Muto[11]	LDP
4th district	Cities of Gero, Gujō, Hida, Kani, Minokamo, and Takayama District of Kamo, Kani and Ōno	317,175	Tomohiro Kato	LDP
5th district	Cities of Ena, Mizunami, Nakatsugawa, Tajimi, and Toki	261,467	Keiji Furuya[22]	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district	Cities of Matsuaka and Tsu	348,669	Norihisa Tamura[12]	LDP
2nd district	Cities of Iga, Kameyama, Nabari, Suzuka, and part of Yokkaichi	397,250	Hideto Kawasaki[20]	LDP
3rd district	Cities of Inabe, Kuwana, and part of Yokkaichi Districts of Inabe, Kuwana, and Mie	408,282	Masataka Ishihara[17]	LDP
4th district	Cities of Ise, Kumano, Owase, Toba, and Shima Disitricts of Kitamuro, Minamimuro, Taki, and Watarai	279,688	Eikei Suzuki[21]	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district[changed 1]	Shizuoka, wards of Aoi and Suruga	379,329	Yōko Kamikawa[20]	LDP
2nd district[changed 1]	Cities of Fujieda, Makinohara, Shimada, and Yaizu District of Haibara	369,213	Tatsunori Ibayashi[16]	LDP
3rd district[changed 1]	Cities Fukuroi, Iwata, Kakegawa, Kikugawa, and Omaezaki District of Shūchi	368,639	Yuzo Yamamoto[20]	LDP
4th district[changed 1]	Shizuoka, ward of Shimizu-ku Cities of Fujinomiya and part of Fuji	309,037	Yoichi Fukazawa[22]	LDP
5th district[changed 1]	Cities of Gotemba, Mishima, Susono, and part of Fuji Districts of Tagata and Suntō (Towns of Oyama)	434,602	Goshi Hosono[24]	LDP
6th district[changed 1]	Cities of Atami, Itō, Izu, Izunokuni, Numazu, and Shimoda Districts	418,600	Takaaki Katsumata[20]	LDP
7th district[changed 1]	Hamamatsu, wards of Hamakita, Kita-ku, Nishi-ku, and Tenryū City of Kosai	309,684	Minoru Kiuchi[20]	LDP
8th district[changed 1]	Hamamatsu, wards of Higashi, Minami, and Naka	378,003	Daisuke Inaba[25]	LDP

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

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district	Kobe, wards of Chūō-ku, Higashinada-ku, and Nada-ku	391,912	Masahito Moriyama	LDP
2nd district	Kobe, wards of Hyōgo-ku, Kita-ku, and Nagata-ku Part of the city of Nishinomiya	377,939	Keishi Abe	Ishin
3rd district	Kobe, wards of Suma-ku and Tarumi-ku	305,262	Yoshihiro Seki[21]	LDP
4th district	Kobe, ward of Nishi-ku Cities of Kasai, Katō, Miki, Nishiwaki, and Ono District of Taka	407,262	Hisayuki Fujii[22]	LDP
5th district[changed 1]	Cities of Asago, Sanda, Tamba, Tamba-Sasayama, Toyooka, Yabu, and part of Kawanishi Districts of Kawabe and Mikata	366,779	Koichi Tani[12]	LDP
6th district[changed 1]	Cities of Itami, Takarazuka, and part of Kawanishi	443,935	Masaki Ogushi	LDP
7th district	Cities of Ashiya and part of Nishinomiya	442,552	Kenji Yamada[18]	LDP
8th district	City of Amagasaki	383,987	Shigeharu Aoyama	LDP
9th district	Cities of Akashi, Awaji, Minamiawaji, and Sumoto	359,474	Yasutoshi Nishimura[13]	LDP
10th district	Cities of Kakogawa and Takasago District of Kako	341,859	Kisaburo Tokai[12]	LDP
11th district	Part of the city of Himeji	394,695	Motoyasu Yamada	LDP
12th district	Cities of Aioi, Akō, Shisō, Tatsuno, and part of Himeji Districts of Akō, Ibo, Kanzaki, and Sayō	270,931	Tsuyoshi Yamaguchi[18]	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district	Kyoto, wards of Kamigyō-ku, Kita-ku, Nakagyō-ku, Minami-ku, and Shimogyō-ku	386,872	Yasushi Katsume[20]	LDP
2nd district	Kyoto, wards of Higashiyama-ku, Sakyō-ku, and Yamashina-ku	256,640	Seiji Maehara[11]	Ishin
3rd district	Kyoto, ward of Fushimi-ku Cities of Mukō and Nagaokakyō District of Otokuni	348,425	Kenta Izumi[16]	CRAJ
4th district	Kyoto, wards of Nishikyō-ku and Ukyō-ku Cities of Kameoka and Nantan District of Funai	386,705	Keiro Kitagami[20]	LDP
5th district	Cities of Ayabe, Fukuchiyama, Kyōtango, Maizuru, and Miyazu District of Yosa	225,460	Taro Honda[24]	LDP
6th district	Cities of Jōyō, Kizugawa, Kyōtanabe, Uji, and Yawata Districts of Kuse, Sōraku, and Tsuzuki	452,652	Hiromichi Sonozaki	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district	Cities of Ikoma and part of Nara	388,920	Shigeki Kobayashi[11]	LDP
2nd district	Cities of Kashiba, Tenri, Yamatokōriyama, and part of Nara Districts of Ikoma, Kitakatsuragi, Shiki, and Yamabe	375,023	Sanae Takaichi[12]	LDP
3rd district	Cities of Gojō, Gose, Kashihara, Katsuragi, Sakurai, Uda and Yamatotakada Districts of Takaichi, Uda, and Yoshino	340,604	Taido Tanose[12]	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district	Osaka, wards of Chūō-ku, Higashinari-ku, Minato-ku, Naniwa-ku, Nishi-ku, and Tennōji-ku	448,093	Hidetaka Inoue[16]	Ishin
2nd district	Osaka, wards of Abeno-ku, Higashisumiyoshi-ku, Hirano-ku, and Ikuno-ku	441,748	Ryo Takami[11]	Ishin
3rd district	Osaka, wards of Nishinari-ku, Suminoe-ku, Sumiyosho-ku, and Taisho-ku	357,873	Tōru Azuma[21]	Ishin
4th district	Osaka, wards of Fukushima-ku, Jōtō-ku, Kita-ku, and Miyakojima-ku	417,674	Teruo Minobe[11]	Ishin
5th district	Osaka, wards of Higashiyodogawa-ku, Konohana-ku, Nishiyodogawa-ku, and Yodogawa-ku	434,254	Satoshi Umemura[20]	Ishin
6th district	Osaka, wards of Asahi-ku and Tsurumi-ku Cities of Kadoma and Moriguchi	386,047	Kaoru Nishida[16]	Ishin
7th district	Cities of Settsu and Suita	389,943	Takemitsu Okushita[17]	Ishin
8th district[changed 1]	Cities of Ikeda and Toyonaka	421,145	Joji Uruma[26]	Ishin
9th district[changed 1]	Cities of Ibaraki and Minoo District of Toyono	373,028	Kei Hagihara[15]	Ishin
10th district	City of Takatsuki District of Mishima	317,639	Taku Ikeshita[16]	Ishin
11th district	Cities of Hirakata and Katano	394,606	Hiroshi Nakatsuka[13]	Ishin
12th district	Cities of Daitō, Neyagawa, and Shijōnawate	332,750	Fumitake Fujita[22]	Ishin
13th district	City of Higashiōsaka	396,307	Ryohei Iwatani[16]	Ishin
14th district	Cities of Fujiidera, Habikino, Kashiwara, and Yao	412,303	Hitoshi Aoyagi[15]	Ishin
15th district	Sakai, ward of Mihara-ku Cities of Kawachinagano, Matsubara, Ōsakasayama, and Tondabayashi District of Minamikawachi	377,612	Yasuto Urano[26]	Ishin
16th district	Sakai, wards of Higashi-ku, Kita-ku, and Sakai-ku	325,246	Masaki Kuroda[20]	Ishin
17th district	Sakai, wards of Minami-ku, Naka-ku, and Nishi-ku	321,259	Nobuyuki Baba[27]	Ishin
18th district	Cities of Izumi, Izumiōtsu, Kishiwada, and Takaishi District of Senboku	426,329	Takashi Endo[19]	Ishin
19th district	Cities of Hannan, Izumisano, Kaizuka, and Sennan District of Sennan	296,835	Tomu Tanigawa[16]	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district	Cities of Ōtsu and Takashima	323,828	Toshitaka Ōoka[17]	LDP
2nd district[changed 2][changed 1]	Cities of Higashiōmi, Maibara, Nagahama, Hikone, and Ōmihachiman Districts of Echi, Gamō, and Inukami	428,993	Kenichiro Ueno[26]	LDP
3rd district[changed 2][changed 1]	Cities of Kōka, Konan, Kusatsu, Moriyama, Rittō and Yasu	393,239	Nobuhide Takemura[12]	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district[changed 1]	City of Iwade, Kinokawa, and Wakayama	393,307	Daichi Yamamoto[24]	LDP
2nd district[changed 3][changed 1]	Cities of Arida, Gobō, Hashimoto, Kainan, Shingū, and Tanabe Districts of Arida, Hidaka, Higashimuro, Ito, Kaisō, and Nishimuro	373,488	Hiroshige Sekō[16]	Ind.

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

District	Areas included	Number of constituents[10]	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)	407,204	Fumio Kishida	LDP
2nd district[changed 1]	Hiroshima, wards of Nishi-ku and Saeki-ku Cities of Hatsukaichi, and Ōtake	385,976	Hiroshi Hiraguchi[24]	LDP
3rd district[changed 1]	Hiroshima, wards of Aki-ku, Asakita-ku and Asaminami-ku City of Akitakata District of Yamagata	415,403	Rintaro Ishibashi	LDP
4th district[changed 1]	Cities of Etajima, Higashihiroshima, Kure, and Takehara Districts of Toyota and Aki (Town of Kumano)	385,402	Masayoshi Shintani	LDP
5th district[changed 1]	Fuchū, Mihara, Miyoshi, Onomichi, and Shōbara Districts of Jinseki and Sera	293,922	Shin Yamamoto[12]	LDP
6th district[changed 1]	City of Fukuyama	373,761	Fumiaki Kobayashi	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district[changed 1]	Okayama, ward of Kita-ku Cities of Akaiwa and Bizen Districts of Kaga and Wake	323,886	Ichiro Aisawa[15]	LDP
2nd district[changed 1]	Okayama, ward of Higashi-ku, Minami-ku, and Naka-ku Cities of Setouchi and Tamano	408,766	Takashi Yamashita[18]	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	391,644	Katsunobu Katō[24]	LDP
4th district[changed 1]	City of Kurashiki District of Tsukubo	400,763	Gaku Hashimoto[24]	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district[changed 2][changed 1]	Cities of Matsue, Unnan, and Yasugi Districts of Iishi, Nita, and Oki	250,109	Emiko Takagai	LDP
2nd district[changed 2][changed 1]	Cities Gōtsu, Hamada, Izumo, Masuda, and Ōda Districts of Kanoashi and Ōchi	285,876	Yasuhiro Takami[12]	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district[changed 3]	Cities of Kurayoshi and Tottori District of Iwami, Yazu, and Tōhaku (Town of Misasa)	221,483	Shigeru Ishiba[16]	LDP
2nd district[changed 3]	Cities of Sakaiminato and Yonago Districts of Hino, Saihaku, and Tōhaku (Towns of Hokuei, Kotoura, and Yurihama)	226,063	Ryosei Akazawa[15]	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district[changed 1]	Cities of Hōfu, Ube, and Yamaguchi	381,547	Masahiko Kōmura[20]	LDP
2nd district[changed 1]	Cities of Hikari, Iwakuni, Kudamatsu, Shūnan, and Yanai Districts of Kuga, Kumage, and Ōshima	371,592	Nobuchiyo Kishi[20]	LDP
3rd district[changed 1]	Cities of Hagi, Mine, Nagato, San'yō-Onoda, and Shimonoseki District of Abu	338,559	Yoshimasa Hayashi[24]	LDP

The block 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[10]	Representative	Party represented	Map
1st district[changed 1]	City of Matsuyama	418,400	Akihisa Shiozaki[21]	LDP
2nd district[changed 3][changed 1]	Cities of Imabari, Niihama, Saijō, and Shikokuchūō District of Ochi	378,247	Takumi Ihara[11]	LDP
3rd district[changed 3][changed 1]	Cities Iyo, Ōzu, Seiyo, Uwajima, Tōon, and Yawatahama Districts Iyo, Kamiukena, Kita, Kitauwa, Minamiuwa, and Nishiuwa	298,778	Junji Hasegawa[16]	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district	Part of the city of Takamatsu Districts of Kagawa and Shozu	308,647	Junya Ogawa[17]	CRAJ
2nd district	Cities of Higashikagawa, Sakaide, Sanuki and parts of Takamatsu and Marugame Districts Kita and Ayauta	247,418	Yuichiro Tamaki[12]	DPP
3rd district	Cities Kan'onji, Mitoyo, Zentsūji, and part of Marugame District of Nakatado	229,824	Keitaro Ohno[17]	LDP

District	Areas included	Number of constituents[10]	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	298,484	Gen Nakatani[13]	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,	270,397	Masanao Ozaki[17]	LDP

District	Areas included	Number of constituents[10]	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.	347,085	Hirobumi Niki[13]	LDP
2nd district[changed 2][changed 3]	Cities of: Awa, Yoshinogawa, Naruto, Mima, and Miyoshi. Districts of: Itano, Mima, and Miyoshi.	248,184	Shunichi Yamaguchi[18]	LDP

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

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district[changed 1]	Fukuoka, wards of Hakata-ku and part of Higashi-ku	446,399	Takahiro Inoue[16]	LDP
2nd district	Fukuoka, wards of Chūō-ku and part of Jonan-ku and Minami-ku	461,147	Makoto Oniki	LDP
3rd district	Fukuoka, wards of Nishi-ku, Sawara-ku, and part of Jonan-ku City of Itoshima	451,103	Atsushi Koga[20]	LDP
4th district[changed 1]	Fukuoka, part of the ward of Higashi-ku Cities Fukutsu, Koga, and Munakata District of Kasuya	398,074	Hideki Miyauchi[11]	LDP
5th district	Fukuoka, part of the ward of Minami-ku Cities of Asakura, Chikushino, Dazaifu, Kasuga, Nakagawa and Ōnojō District of Asakura	455,464	Kurihara Wataru[12]	LDP
6th district	Cities of Kurume, Ogōri, Ōkawa, and Ukiha Districts of Mii and Mizuma	367,500	Jiro Hatoyama[24]	LDP
7th district	Cities of Chikugo, Miyama, Ōmuta, Yame, and Yanagawa District of Yame	275,406	Satoshi Fujimaru[22]	LDP
8th district	Cities of Iizuka, Kama, Miyawaka, Nakama, and Nogata Districts of Kaho, Kurate, and Onga	337,128	Tarō Asō[15]	LDP
9th district	Kitakyushu, wards of Tobata-ku, Wakamatsu-ku, Yahatahigashi-ku, and Yahatanishi-ku	368,137	Rintaro Ogata[17]	Ind.
10th district	Kitakyushu, wards of Kokurakita-ku, Kokuraminami-ku, and Moji-ku	397,234	Haruka Yoshimura[20]	LDP
11th district	Cities of Buzen, Tagawa, and Yukuhashi Districts of Chikujō, Miyako, and Tagawa	245,942	Ryota Takeda	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district	Part of the city of Kagoshima District of Kagoshima	351,769	Takuma Miyaji[11]	LDP
2nd district	Cities of Amami, Ibusuki, Makurazaki, Minamisatsuma, Minamikyūshū, and part of Kagoshima District of Ōshima	323,331	Satoshi Mitazono[11]	LDP
3rd district	Cities of Aira, Akune, Hioki, Ichikikushikino, Isa, Izumi, and Satsumasendai Districts of Aira, Izumi, and Satsuma	306,114	Takeshi Noma[13]	CRAJ
4th district	Cities of Kanoya, Kirishima, Nishinoomote, Shibushi, Soo, and Tarumizu District of Kimotsuki, Kumage, and Soo	310,727	Hiroshi Moriyama[11]	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district	Kumamoto, wards of Chūō, Higashi, and Kita	420,415	Minoru Kihara[20]	LDP
2nd district	Kumamoto, wards of Nishi and Minami Cities of Arao and Tamana District of Tamana	308,053	Daisuke Nishino[13]	LDP
3rd district	Cities of Kōshi, Aso, Kikuchi, and Yamaga Districts of Aso, Kamimashiki, and Kikuchi	311,177	Tetsushi Sakamoto[12]	LDP
4th district[changed 3]	Cities of Amakusa, Hitoyoshi, Kami-Amakusa, Minamata, Uki, Uto, and Yatsushiro Districts of Ashikita, Amakusa, Kuma, Shimomashiki, and Yatsushiro	379,727	Yasushi Kaneko[20]	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
Miyazaki 1st	City of Miyazaki District of Higashimorokata	348,048	So Watanabe[14]	CRAJ
Miyazaki 2nd	Cities of Hyūga, Nobeoka, and Saito Districts of Higashiusuki, Koyu, and Nishiusuki	258,520	Shinji Nagatomo[19]	DPP
Miyazaki 3rd	Cities of Ebino, Kobayashi, Kushima, Miyakonojō, and Nichinan Districts of Kitamorokata and Nishimorokata	263,286	Yoshihisa Furukawa[22]	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district[changed 1]	City of Nagasaki	331,998	Hideko Nishioka[13]	DPP
2nd district[changed 1]	Cities of Iki, Isahaya, Minamishimabara, Ōmura, Shimabara, Unzen, and Tsushima District of Nishisonogi	393,754	Ryusho Kato[20]	LDP
3rd district[changed 3][changed 1]	Cities of Gotō, Hirado, Matsuura, Saikai, and Sasebo Districts of Higashisonogi, Kitamatsuura, and Minamimatsura	341,312	Yozo Kaneko	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district	Part of the city of Ōita	383,877	Hiroaki Eto[20]	LDP
2nd district	Cities of Bungo-ōno, Hita, Saiki, Taketa, Tsukumi, Yufu, Usuki, and part of Ōita District of Kusu	250,092	Ken Hirose[19]	LDP
3rd district	Cities of Beppu, Bungotakada, Kitsuki, Nakatsu, Kunisaki, and Usa Districts of Hayami, and Higashikunisaki	289,039	Takeshi Iwaya[16]	LDP

District	Areas included	Number of constituents[10]	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)	263,131	Konosuke Kokuba[15]	LDP
2nd district[changed 2]	Cities of Ginowan and Urasoe District of Nakagami	296,702	Masahisa Miyazaki[15]	LDP
3rd district[changed 2]	Cities of Nago, Okinawa, Uruma Districts of Kunigami and Shimajiri (Villages of Iheya and Izena)	318,081	Aiko Shimajiri[21]	LDP
4th district[changed 5]	Cities of Miyakojima, Ishigaki, Itoman, Tomigusuku and Nanjō. Districts of: Miyako, Yaeyama, Shimajiri (Towns of Haebaru, Yaese, and Yonabaru)	299,349	Kōsaburō Nishime[13]	LDP

District	Areas included	Number of constituents[10]	Current representative	Party represented	Map
1st district[changed 2][changed 3]	Cities of Kanzaki, Saga, and Tosu Districts of Kanzaki and Miyaki	329,359	Kazuchika Iwata	LDP
2nd district[changed 2][changed 3]	Cities of Kashima, Ogi, Imari, Karatsu, Ureshino, Takeo, and Taku. Districts of Fujitsu, Kishima, Higashimatsuura, and Nishimatsuura.	326,944	Yasushi Furukawa	LDP

• List of districts of the House of Councillors of Japan
• List of current members of the House of Representatives of Japan
• House of Representatives (Japan)
• List of proportional representation blocks of the House of Representatives of Japan
• Proportional representation

• MIC, e-Gov legal database: 公職選挙法 (kōshoku senkyo hō), Law No. 100 of April 25, 1950 (the three appended tables list the area/number of seats for all electoral districts to both Houses of the National Diet); MOJ, Japanese Law Translation Database: Public Offices Election Act ([by definition unofficial] translation to English, if available)