Shikoku proportional representation block
{{Short description|Proportional Representation Block of the National Diet of Japan}}
{{update|date=October 2024}}
{{Infobox constituency
|name =Shikoku Proportional Representation Block
|type =Parliamentary
|parl_name =Japanese House of Representatives
|image = File:Shikoku Proportional Block.svg
|image_size = 300px
|caption = Map of House of Representatives proportional blocks, with the Shikoku block highlighted
|district_label =Prefectures
|district =Ehime, Kagawa, Kōchi, Tokushima|population=3,721,000 (October 2019 estimate){{cite web
|title =Population by Sex for Prefectures - Total population, Japanese population, October 1, Each Year
|url =https://www.e-stat.go.jp/en/stat-search/files?page=1&layout=datalist&toukei=00200524&tstat=000000090001&cycle=7&year=20190&month=0&tclass1=000001011679&stat_infid=000031921674&tclass2val=0
|website =e-stat.go.jp
|publisher =Government of Japan|access-date=5 August 2021}}|electorate=3,205,495{{cite web |title=Number of registered electoral rolls and overseas electoral rolls for each constituency, etc.
|url =https://www.soumu.go.jp/senkyo/senkyo_s/data/meibo/meibo_R02.html |website=soumu.go.jp |publisher=Ministry of Internal Affairs and Communications of Japan
|access-date=5 August 2021}}
|members_label =Representatives
|members =6 (LDP-3, CDP-1, Ishin-1, Komeito-1){{cite web |title=Results of the 2021 Japanese General Election |url=https://www.nhk.or.jp/senkyo/database/shugiin/2021/00/hsm10.html |website =NHK |access-date =25 July 2022}}
}}
The Shikoku proportional representation block ({{Nihongo||比例[代表]四国ブロック|Hirei [daihyō] Shikoku burokku}}) is one of eleven proportional representation (PR) "blocks", multi-member constituencies for the House of Representatives in the Diet of Japan. It consists of Shikoku region covering Tokushima, Kagawa, Ehime and Kōchi Prefectures. Following the introduction of proportional voting it elected seven representatives in the 1996 general election. When the total number of PR seats was reduced from 200 to 180, the Shikoku PR block shrank to six seats.
Summary of results
With a district magnitude of six, Shikoku is the smallest PR block. The vote share necessary to obtain a seat is usually well above ten percent. In three elections after the consolidation of the LDP-DPJ-party system by the merger of the LP into the DPJ in 2001, only the top three parties were able to win seats in Shikoku. In 2012, the LDP recorded its worst result since the introduction of proportional party list voting and the DPJ vote share crashed by more than 25 percentage points, the newly created Japan Restoration Party managed to gain two proportional seats in Shikoku.
| class="wikitable" | ||||||||||||||||||||
| align="center"
! rowspan="2" | General election | colspan="3" {{Party shading/Liberal Democratic Party (Japan)}} | LDP | colspan="3" {{Party shading/Democratic Party of Japan}} | DPJ
| colspan="3" {{Party shading/Komeito}} | Kōmeitō | colspan="3" {{Party shading/Japanese Communist Party}} | JCP
| colspan="3" {{Party shading/Social Democratic Party (Japan)}} | SDP | colspan="3" bgcolor="#FFBC00" | NFP ('96)/LP ('00) | colspan="3" {{Party shading/Others}} | Others | ||||||||||||||||
| Votes | % | Seats | Votes | % | Seats
| Votes | % | Seats | Votes | % | Seats
| Votes | % | Seats | Votes | % | Seats
| Votes | % | Seats | Votes | % | Seats |
| align="right"
| align="left" | 1996 | 785,589 | 41.6 | 3 | 245,323 | 13.8 | 1
| colspan="3" | – | 227,014 | 12.1 | 1
| 132,868 | 7.1 | 0 | 455,269 | 24.2 | 2
| colspan="3" | – | 39,067 | 2.1 | 0 | ||||
| align="right"
| align="left" | 2000 | 700,719 | 36.0 | 3 | 402,457 | 20.7 | 1
| 266,791 | 13.7 | 1 | 213,729 | 11.0 | 1
| 196,277 | 10.1 | 0 | 162,700 | 8.4 | 0
| colspan="3" | – | 5,316 | 0.3 | 0 | ||
| align="right"
| align="left" | 2003 | 708,051 | 38.2 | 3 | 587,828 | 31.7 | 2
| 309,160 | 16.7 | 1 | 148,953 | 8.0 | 0
| 98,243 | 5.3 | 0 | colspan="3" | –
| colspan="3" | – | colspan="3" | – | ||||||
| align="right"
| align="left" | 2005 | 821,746 | 38.3 | 3 | 711,927 | 33.2 | 2
| 317,575 | 14.8 | 1 | 175,994 | 8.2 | 0
| 119,089 | 5.5 | 0 | colspan="3" | –
| colspan="3" | – | colspan="3" | – | ||||||
| align="right"
| align="left" | 2009 | 719,594 | 32.0 | 2 | 973,038 | 43.2 | 3
| 293,204 | 13.0 | 1 | 150,171 | 6.7 | 0
| 94,558 | 4.2 | 0 | colspan="3" | –
| colspan="3" | – | 19,507 | 0.9 | 0 | ||||
| align="right"
| align="left" | 2012 | 567,193 | 30.7 | 2 | 296,914 | 16.0 | 1
| 276,907 | 15.0 | 1 | 106,976 | 5.8 | 0
| 42,762 | 2.3 | 0 | colspan="3" | –
| 394,393 | 21.3 | 2 | 165,091 | 8.8 | 0 | ||
| align="right"
| align="left" | 2014 | 547,185 | 34.9 | 3 | 326,803 | 20.8 | 1
| 247,776 | 15.8 | 1 | 158,848 | 10.1 | 0
| 33,257 | 2.1 | 0 | colspan="3" | –
| 200,882 | 12.8 | 1 | 55,277 | 3.1 | 0 |
Party names are abbreviated as follows (Romanisation of Japanese name in brackets):
- LDP: Liberal Democratic Party, (Jiyūminshutō)
- DPJ: Democratic Party of Japan (Minshutō)
- Komeito (Kōmeitō)
- JCP: Japanese Communist Party, (Nihon Kyōsantō)
- SDP Social Democratic Party, Shakaiminshutō
- NFP: New Frontier Party, Shinshintō
- LP: Liberal Party, Jiyūtō
- NSP: New Socialist Party, Shin-shakaitō
- LL: Liberal League, Jiyū-rengō
- HRP: Happiness Realization Party, Kōfuku-jitsugen-tō
List of representatives
Note: Party affiliations as of election day.
| class="wikitable" | |||
| Years | colspan="7" | Elected representatives | ||
|---|---|---|---|
| 1996
| {{Party shading/Japanese Communist Party}} | Naoaki Haruna | {{Party shading/Democratic Party of Japan}} | Masanori Gotō | bgcolor="#FFBC00" | Kazuyoshi Endō | bgcolor="#FFBC00" | Shōzō Nishimura
| {{Party shading/Liberal Democratic Party (Japan)}} | Ihei Ochi | {{Party shading/Liberal Democratic Party (Japan)}} | Mamoru Nishida | {{Party shading/Liberal Democratic Party (Japan)}} | Hajime Morita |
| 2000
| {{Party shading/Japanese Communist Party}} | Naoaki Haruna | {{Party shading/Democratic Party of Japan}} | Masanori Gotō | {{Party shading/Komeito}} | Kazuyoshi Endō | {{Party shading/Liberal Democratic Party (Japan)}} | Mamoru Nishida | {{Party shading/Liberal Democratic Party (Japan)}} | Hajime Morita | {{Party shading/Liberal Democratic Party (Japan)}} | Akira Shichijō
| rowspan="6" | – | |
| 2003
| {{Party shading/Democratic Party of Japan}} | Miho Takai | {{Party shading/Democratic Party of Japan}} | Masanori Gotō
| {{Party shading/Komeito}} | Noritoshi Ishida | {{Party shading/Liberal Democratic Party (Japan)}} | Hajime Morita | {{Party shading/Liberal Democratic Party (Japan)}} | Yoshirō Okamoto | {{Party shading/Liberal Democratic Party (Japan)}} | Akira Shichijō |
| 2005
| {{Party shading/Democratic Party of Japan}} | Junya Ogawa | {{Party shading/Democratic Party of Japan}} | Masanori Gotō resigned 2005, replaced by Miho Takai | {{Party shading/Komeito}} | Noritoshi Ishida | {{Party shading/Liberal Democratic Party (Japan)}} | Akira Shichijō | {{Party shading/Liberal Democratic Party (Japan)}} | Yoshirō Okamoto | {{Party shading/Liberal Democratic Party (Japan)}} | Katsuko Nishimoto |
| 2009
| {{Party shading/Democratic Party of Japan}} | Hirobumi Niki | {{Party shading/Democratic Party of Japan}} | Takako Nagae | {{Party shading/Democratic Party of Japan}} | Hideyuki Takahashi
| {{Party shading/Komeito}} | Noritoshi Ishida | {{Party shading/Liberal Democratic Party (Japan)}} | Takuya Hirai | {{Party shading/Liberal Democratic Party (Japan)}} | Shun'ichi Yamaguchi |
| 2012
| {{Party shading/Democratic Party of Japan}} | Junya Ogawa | bgcolor="#A0C0E0" | Fumiki Sakurauchi | bgcolor="#A0C0E0" | Arata Nishioka | {{Party shading/Komeito}} | Noritoshi Ishida | {{Party shading/Liberal Democratic Party (Japan)}} | Takakazu Seto | {{Party shading/Liberal Democratic Party (Japan)}} | Yasuji Izuhara | |||
| 2014
| {{Party shading/Democratic Party of Japan}} | Junya Ogawa | bgcolor="#1E90FF" | Hiroyuki Yokoyama | {{Party shading/Komeito}} | Noritoshi Ishida | {{Party shading/Liberal Democratic Party (Japan)}} | Teru Fukui | {{Party shading/Liberal Democratic Party (Japan)}} | Takakazu Seto | {{Party shading/Liberal Democratic Party (Japan)}} | Mamoru Fukuyama |
Election results
= 2014 general election =
{{main|Results of the 2014 Japanese general election (Shikoku proportional representation block)}}
{{#section:Results of the 2014 Japanese general election (Shikoku proportional representation block)|Results}}
= 2012 general election =
{{main|Results of the 2012 Japanese general election (Shikoku proportional representation block)}}
{{#section:Results of the 2012 Japanese general election (Shikoku proportional representation block)|Results}}
= 2009 general election =
| class="wikitable"
|+Shikoku block results in the 2009 general electionMinistry of Internal Affairs and Communications: [http://www.soumu.go.jp/senkyo/senkyo_s/data/shugiin45/index.html Results of the 2009 general election]Yomiuri Shimbun: [http://www.yomiuri.co.jp/election/shugiin2009/ Election feature 2009] | ||||||||||||
| colspan="5" {{Party shading/Liberal Democratic Party (Japan)}} | LDP: 719,594 votes (32.0%), 2 seats
| colspan="5" {{Party shading/Democratic Party of Japan}} | DPJ: 973,038 votes (43.2%), 3 seats | colspan="5" {{Party shading/Komeito}} | Kōmeitō: 293,204 votes (13.0%), 1 seat | ||||||||||||
| # | Candidate | District | "Loss ratio" (sekihairitsu) | Elected
! # | Candidate | District | "Loss ratio" | Elected
! # | Candidate | District | "Loss ratio" | Elected |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| rowspan="12" | 1 | Takuya Hirai | Kagawa 1 | 83.3% | {{Party shading/Liberal Democratic Party (Japan)}} | Elected
| rowspan="11" | 1 | Hirobumi Niki | Tokushima 3 | 98.5% | {{Party shading/Democratic Party of Japan}} | Elected
| 1 | Noritoshi Ishida | rowspan="2" colspan="2" | PR only | {{Party shading/Komeito}} | Elected | |
| Shun'ichi Yamaguchi | Tokushima 2 | 80.2% | {{Party shading/Liberal Democratic Party (Japan)}} | Elected | Ehime 1 | 97.8% | {{Party shading/Democratic Party of Japan}} | Elected
| 2 | Hidehisa Ochiai | – | ||||
| Masazumi Gotōda | Tokushima 3 | colspan="2" | Won district | Ehime 4 | 89.7% | {{Party shading/Democratic Party of Japan}} | Elected
| colspan="5" {{Party shading/Japanese Communist Party}} | JCP: 150,171 votes (6.7%), no seat | |||||||
| Yasuhisa Shiozaki | Ehime 1 | colspan="2" | Won district | Tokushima 1 | colspan="2" | Won district
! # !! Candidate !! District !! "Loss ratio" !! Elected | ||||||||
| Seiichirō Murakami | Ehime 2 | colspan="2" | Won district | Tokushima 2 | colspan="2" | Won district
| 1 | Masaru Sasaoka | colspan="2" | PR only | – | |||||
| Kōichi Yamamoto | Ehime 4 | colspan="2" | Won district | Kagawa 1 | colspan="2" | Won district
| rowspan="3" | 2 | Motonori Furuta | Tokushima 1 | 10.8% | – | ||||
| Teru Fukui | Kōchi 1 | colspan="2" | Won district | Kagawa 2 | colspan="2" | Won district
| Michiko Chikaishi | Kagawa 3 | 9.9% | – | |||||
| Gen Nakatani | Kōchi 2 | colspan="2" | Won district | Ehime 3 | colspan="2" | Won district
| Katsuhiko Tanaka | Ehime 1 | 6.1% | – | |||||
| Yūji Yamamoto | Kōchi 3 | colspan="2" | Won district
| Tomoi Nakayama | Kōchi 3 | 86.9% | –
| colspan="5" {{Party shading/Social Democratic Party (Japan)}}| SDP: 94,558 votes (4.2%), no seat | |||||||
| Tōru Shirai | Ehime 3 | 77.2% | –
| Kumiko Tamura | Kōchi 1 | 86.4% | –
! # !! Candidate !! District !! "Loss ratio" !! Elected | ||||||
| Yoshio Kimura | Kagawa 2 | 72.3% | –
| Kiyo Kusumoto | Kōchi 2 | 65.9% | –
| rowspan="2" | 1 | Tomoko Okahira | Ehime 2 | 89.9% | – | ||
| Yoshirō Okamoto | Tokushima 1 | 51.8% | –
| 12 | Kenshi Uno | rowspan="2" colspan="2" | PR only | –
| Haruhiko Maida | Kagawa 3 | 73.3% | – | |||
| 13 | Akira Shichijō | rowspan="4" colspan="2" | PR only | –
| 13 | Masuko Yoshida | –
| colspan="5" bgcolor="#0168B7" | HRP: 19,507 votes (0.9%), no seat | |||||||
| 14 | Katsuko Nishimoto | –
| rowspan="5" colspan="5" | – ! # !! Candidate !! District !! "Loss ratio" !! Elected | ||||||||||
| 15 | Masaharu Sasanuma | –
| 1 | Akemi Takeo | rowspan="4" colspan="2" | PR only | – | |||||||
| 16 | Toshiyuki Minakuchi | –
| 2 | Keiko Kushihata | – | ||||||||
| rowspan="2" colspan="5" | –
| 3 | Yukinori Tōjō | – | ||||||||||
| 4 | Shūhei Oka | – |
References
{{reflist}}
- JANJAN, The Senkyo: [http://go2senkyo.com/representatives.html Results of general and by-elections for the House of Representatives 1890–2010]
{{Japan House of Representatives Districts}}
{{coord missing|Japan}}