Gunma At-Large District is a constituency of the House of Councillors in the Diet of Japan. It consists of Gunma Prefecture and elects two Councillors, one per election.
Fukuoka at-large district is a constituency of the House of Councillors in the Diet of Japan. It consists of the entire prefecture of Fukuoka and is represented by four Councillors electing two per election by single non-transferable vote.
The Kanagawa at-large district is a constituency of the House of Councillors in the Diet of Japan represented by six Councillors. It comprises the entire prefecture of Kanagawa and elects three Councillors every three years by single non-transferable vote.
Hokkaidō 9th district is a constituency of the House of Representatives in the Diet of Japan. It consists of Hokkaido's Hidaka and Iburi Subprefectures. As of 2009, 414,438 eligible voters were registered in the district.
The Yamaguchi at-large district is a constituency of the House of Councillors in the Diet of Japan. It consists of the entire prefecture of Yamaguchi and is represented by two Councillors electing one every three years.
The Okinawa at-large district is a constituency of the House of Councillors in the Diet of Japan. It consists of the entire prefecture of Okinawa and was created in 1970 following the agreement between US president Richard Nixon and prime minister Eisaku Satō on restoration of Japanese sovereignty over the Ryūkyū islands. Okinawa is represented by two Councillors electing one every three years.
Tokyo at-large district is an electoral district of the House of Councillors in the National Diet, the national legislature of Japan. The district was created in 1947 by the new Constitution of Japan and sent 8 members to the House from 1947 until 2007. From 2007 until 2016, this district sent 10 members to the House, and from 2016 onwards, the district has sent 12 councillors to the House, making it by far the largest constituency in the House of Councillors.
Tochigi At-Large District is a multi-member district of the House of Councillors in the Diet of Japan. It consists of Tochigi Prefecture and elects two Councillors, one per election.
The Hokkaido at-large district is a constituency of the House of Councillors in the Diet of Japan. It consists of the prefecture (dō) of Hokkai[dō] and is represented by six Councillors electing three at a time every three years by single non-transferable vote for six-year terms. In the election period from 2019 to 2022, Hokkaido's Councillors are :
Kagawa at-large district is a constituency of the House of Councillors in the Diet of Japan. It consists of Kagawa Prefecture and elects two Councillors, one every three years by a first-past-the-post system for a six-year term. In the first election in 1947, Kagawa like all districts used single non-transferable vote to elect both its Councillors in one election.
Tokushima at-large district was a constituency of the House of Councillors in the Diet of Japan. It consists of Tokushima Prefecture and elects two Councillors, one every three years by a first-past-the-post system for a six-year term. In the first election in 1947, Tokushima like all districts used single non-transferable vote to elect both its Councillors in one election.
Chiba 4th district is a constituency of the House of Representatives in the Diet of Japan. It is located in the city of Funabashi in Western Chiba. As of 2016, 459,431 eligible voters were registered in the district. In the 2009 and 2012 general elections, the district had the lowest electoral weight throughout Japan at more than two times as many voters as the district with the highest electoral weight, Kōchi-3rd.
The Nagasaki at-large district is a constituency of the House of Councillors in the Diet of Japan. It consists of Nagasaki Prefecture and elects two Councillors, one every three years by a first-past-the-post system for a six-year term. In the first election in 1947, Nagasaki like all districts used single non-transferable vote to elect both its Councillors in one election. Similar to other small, rural Kyushu prefectures, it is a "conservative kingdom" in favor of the LDP. Since the Democratic Party folded, LDP candidates have consistently won with over 50% of the vote.
The Aichi at-large district is a constituency of the House of Councillors in the Diet of Japan that represents Aichi Prefecture. From 1947 until 2013 it has elected six Councillors, three every three years by single non-transferable vote (SNTV) for six-year terms. A 2015 revision of the Public Officers Election Law increased the district's representation to eight Councillors; the change began to take effect at the 2016 election, at which four Councillors were elected.
Saitama 3rd district is a constituency of the House of Representatives in the Diet of Japan. It is located in Southeastern Saitama and consists of the cities of Kawaguchi and Koshigaya. As of 2012, 460,884 eligible voters were registered in the district.
The Nagano at-large district is a multi-member constituency of the House of Councillors in the Diet of Japan. It consists of Nagano Prefecture and elects four Councillors, two every three years by single non-transferable vote (SNTV) for six-year terms. It is unique among similar rural, two-seat districts for its loyalty to opposition parties; an LDP candidate has not won the district since it became a two-seat contest in 2016. The last time it won the prefecture-wide vote was in 2013, when the DP did not win a single prefecture nationwide, and it had remained an opposition bulwark since well before the House of Councilors reform election in 1995.
Tōkyō 25th district is a constituency of the House of Representatives in the Diet of Japan. It is located in the westernmost part of Tokyo prefecture. In of 2012, 321,319 eligible voters were registered in the district giving it the highest vote weight in Tokyo – several districts in former Tokyo city in Eastern Tokyo have more than 450,000 voters – but still more than 1.5 times as many voters as the least populated electoral districts in Japan.
The Iwate at-large district is a constituency of the House of Councillors in the Diet of Japan. It consists of Iwate Prefecture and elects two Councillors, one every three years, making it one of the decisive single-member districts. Ichirō Ozawa came from the prefecture, and as a result, it is much more markedly competitive than many other rural, 2 seat districts. In fact, it was represented by two opposition members until 2022, when Hirose defeated CDP Councilor Eiji Kidoguchi to return it to split control. It is also one of the districts where the opposition have been most consolidated; the last time multiple major party Opposition members ran was 2013. The last LDP member to represent the district before Hirose was Motoo Shiina, who left the party in 1998.
The Miyagi at-large district is a multi-member constituency that represents Miyagi Prefecture in the House of Councillors in the Diet of Japan. It currently has two Councillors in the 242-member house, but this representation will decrease to two at the next election, to be held by July 2019.
Ōita at-large district is a constituency in the House of Councillors of Japan, the upper house of the Diet of Japan. It currently elects 2 members to the House of Councillors, 1 per election. It is unique among other Kyushu conservative kingdoms for its willingness to elect opposition members. Shinya Adachi held the districts 2022 seat from 2004, and Kiyoshi Adachi held the 2016 seat until his resignation in 2023, with Tadatomo Yoshida losing the by-election after by an extremely slim margin. This is possibly due to the presence of the city of Ōita, which has shown a willingness to support opposition candidates; it was historically also represented by a second Japan Socialist Party Councilor.
