Kanagawa 11th district is a constituency of the House of Representatives in the Diet of Japan. It is located in Kanagawa Prefecture, and consists of the cities of Miura and Yokosuka. Former Prime Minister of Japan Junichiro Koizumi served as the first representative of the constituency from its creation in 1996. Koizumi retired at the 2009 elections and his son Shinjirō ran as a candidate for his father's old seat. The Democratic Party of Japan fielded Katsuhito Yokokume, a lawyer and former participant in the Ainori TV show, as a candidate in 2009 to a bid to end the LDP dominance of the district.
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.
Wakayama 3rd district is a constituency of the House of Representatives in the Diet of Japan. It is located in Wakayama Prefecture and consists of Arida, Gobo, Shingu, and Tanabe cities and the Arida, Hidaka, Higashimuro, and Nishimuro districts. As of 2012, 298,296 eligible voters were registered in the district.
Aichi 5th district is a constituency of the House of Representatives in the Diet of Japan. It is located in Aichi Prefecture and consists of Nagoya's Nakamura and Nakagawa wards and the city of Kiyosu. As of 2016, 428,423 eligible voters were registered in the district.
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 :
Tokyo 1st district is a constituency of the House of Representatives in the Diet of Japan. It is located in eastern mainland Tokyo and covers central parts of the former city of Tokyo. The district consists of the wards of Chiyoda, Minato and Shinjuku. As of 2016, 514,974 eligible voters were registered in the district. After redistricting in 2017, a part of Shinjuku was moved to the Tokyo 10th district and a part of Minato was moved to the Tokyo 2nd district.
Tokyo 2nd district is a constituency of the House of Representatives in the Diet of Japan. It is located in eastern mainland Tokyo and covers central parts of the former Tokyo City. The district consists of the wards of Chūō, Bunkyō and Taitō. As of 2012, 424,273 eligible voters were registered in the district.
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.
Kyōto 3rd district is a constituency of the House of Representatives in the Diet of Japan. It is located in South central Kyoto and consists of Kyoto city's Fushimi ward, the cities of Mukō and Nagaokakyō and the town of Ōyamazaki. As of 2012, 345,260 eligible voters were registered in the district.
Tottori 1st district is a constituency of the House of Representatives in the Diet of Japan.
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.
Gunma 4th district is a single-member constituency of the House of Representatives in the Diet of Japan. It is located in Southern Gunma and consists of the city of Fujioka, the Southern part of Takasaki city as well as Kanna town and Ueno village in Tano county. As of 2009, 292,356 eligible voters were registered in the district.
Aomori 1st district is a single-member constituency of the House of Representatives in the national Diet of Japan. It is located in Northern Aomori and covers the cities of Aomori, Mutsu and the Higashitsugaru and Shimokita districts along with the northern half of the Kamikita District.
Hokkaidō 1st district is a single-member constituency of the House of Representatives, the lower house of the national Diet of Japan. It is located in Sapporo, the prefectural capital of Hokkaido. In 2017, its border were redrawn and it now consists of Sapporo's Chūō ("Centre") and Minami ("South") wards, a portion of Nishi ("West") ward as well as a small part of Kita ("North") ward.
Ōsaka 10th district is a single-member electoral district of the House of Representatives, the lower house of the national Diet of Japan. It is located in northeastern Osaka and consists of Takatsuki city and Shimamoto town, the only remaining municipality of Mishima county. As of 2016, 321,805 eligible voters were registered in the district.
Gifu 1st district is a single-member electoral district for the House of Representatives, the lower house of the National Diet of Japan. It is located in central Gifu and consists of the capital city Gifu excluding the former town of Yanaizu. As of 2012, 325,090 eligible voters resided in the district.
Hokkaidō 4th district (北海道[第]4区) is a single-member electoral district for the House of Representatives, the lower house of the National Diet of Japan. It represents Shiribeshi Subprefecture of Hokkaido as well as Teine Ward, a portion of Nishi Ward of Sapporo city and Ishikari city.
Kagawa 2nd district is a constituency of the House of Representatives in the Diet of Japan, located in Kagawa prefecture. As of September 2022, it had 256,773 eligible voters.
Saitama 12th district is a single-member constituency of the House of Representatives in the national Diet of Japan located in Saitama Prefecture.
Tokyo's 9th district is a single-member constituency of the House of Representatives, the lower house of the national Diet of Japan.