The Southern Kantō proportional representation block () is one of eleven

proportional representation Proportional representation (PR) refers to any electoral system under which subgroups of an electorate are reflected proportionately in the elected body. The concept applies mainly to political divisions (Political party, political parties) amon ...

(PR) "blocks", multi-member constituencies for the

House of Representatives House of Representatives is the name of legislative bodies in many countries and sub-national entities. In many countries, the House of Representatives is the lower house of a bicameral legislature, with the corresponding upper house often ...

in the

Diet of Japan , transcription_name = ''Kokkai'' , legislature = 215th Session of the National Diet , coa_pic = Flag of Japan.svg , house_type = Bicameral , houses = , foundation=29 November 1890(), leader1_type ...

. It consists of Southern parts of the

Kantō region The is a geography, geographical region of Honshu, the largest island of Japan. In a common definition, the region includes the Greater Tokyo Area and encompasses seven prefectures of Japan, prefectures: Chiba Prefecture, Chiba, Gunma Prefe ...

covering Chiba,

Kanagawa is a Prefectures of Japan, prefecture of Japan located in the Kantō region of Honshu. Kanagawa Prefecture is the List of Japanese prefectures by population, second-most populous prefecture of Japan at 9,221,129 (1 April 2022) and third-dens ...

and

Yamanashi prefecture is a prefecture of Japan located in the Chūbu region of Honshu. Yamanashi Prefecture has a population of 787,592 (1 February 2025) and has a geographic area of 4,465 km2 (1,724 sq mi). Yamanashi Prefecture borders Saitama Prefecture to the n ...

s. Following the introduction of proportional voting it initially elected 23 representatives in the 1996 general election, then 21 after the total number of PR seats had been reduced from 200 to 180. After reapportionment in 2002 the number was increased to 22 representatives and again to 23 in 2022.

Summary of results

With a district magnitude of 22, Southern Kantō is the second largest PR block behind

Kinki The or the lies in the southern-central region of Japan's main island Honshū. The region includes the prefectures of Nara, Wakayama, Kyoto, Osaka, Hyōgo and Shiga, often also Mie, sometimes Fukui, Tokushima and Tottori. The metropolit ...

and gives smaller parties an opportunity to pick up seats. Party names are abbreviated as follows (format: abbreviation, translated name, Japanese name, English name): * DPJ "Democratic Party", ''Minshutō'', Democratic of Japan * LDP

Liberal Democratic Party Several political parties from around the world have been called the Liberal Democratic Party, Democratic Liberal Party or Liberal Democrats. These parties have usually followed liberalism as ideology, although they can vary widely from very progr ...

, ''Jiyūminshutō'' * Kōmeitō "Justice Party", ''Kōmeitō'', New Justice Party Party * JCP

Japanese Communist Party The is a communist party in Japan. Founded in 1922, it is the oldest political party in the country. It has 250,000 members as of January 2024, making it one of the largest non-governing communist parties in the world. The party is chaired ...

, ''Nihon Kyōsantō'' * SDP

Social Democratic Party The name Social Democratic Party or Social Democrats has been used by many political parties in various countries around the world. Such parties are most commonly aligned to social democracy as their political ideology. Active parties Form ...

, ''Shakaiminshutō'' * NFP New Frontier Party, ''Shinshintō'' * LP

Liberal Party The Liberal Party is any of many political parties around the world. The meaning of ''liberal'' varies around the world, ranging from liberal conservatism on the right to social liberalism on the left. For example, while the political systems ...

, ''Jiyūtō'' * NSP New Socialist Party, ''Shin-shakaitō'' * LL Liberal League, ''Jiyū-rengō'' * HRP

Happiness Realization Party The , abbreviated as Kōfuku (), is a Japanese political party founded by Ryuho Okawa on 23 May 2009. The HRP is the political wing of the conservative Happy Science religious movement. Okawa was the president of the party until his death on 2 ...

, ''Kōfuku-jitsugen-tō''

List of representatives

''Note: Party affiliations as of election day.''

Election result 2009

References

* The Senkyo
Results of general and by-elections for the House of Representatives since 1890
* Yomiuri Shimbun: Southern Kantō result

{{Japan House of Representatives Districts Kantō region PR Southern Kanto