Hokkaido proportional representation block

The Hokkaidō proportional representation block (比例[代表]北海道ブロック, Hirei [daihyō] Hokkaidō burokku) or in official usage the "Hokkaidō electoral district" (北海道選挙区, Hokkaidō senkyo-ku) is one of eleven proportional representation (PR) blocks for the House of Representatives in the Diet of Japan. It consists of Hokkaidō and is one of two PR blocks that covers only one prefecture, the other being Tokyo. Following the introduction of proportional voting, it elected nine representatives in the election of 1996. Since 2000, the Hokkaidō PR block has been represented by eight representatives.

Hokkaidō Proportional Representation Block
Parliamentary constituency
for the Japanese House of Representatives
Map of House of Representatives proportional blocks, with the Hokkaidō block highlighted
PrefectureHokkaidō
Electorate4,537,448
Current constituency
Created1994
Number of membersEight

Summary of results

With eight seats, Hokkaidō is the second-smallest PR block (Shikoku has only six seats), and the vote share needed to gain a seat is usually above ten percent. In 2000, when the combined vote of the two major parties reached a low of 56.8%, the Social Democratic Party managed to obtain a seat with only 8.9% of the vote (for a detailed explanation, see D'Hondt method).

In addition to the five national parties that emerged from the party realignments of the 1990s, the regionalist one-man party New Party Daichi has become a contender for PR seats in Hokkaidō. In the first three elections in which it fielded candidates, it managed to obtain the third-largest vote share and one seat. In 2012, the Liberal Democratic Party became first party in the Hokkaidō proportional election for the first time, and has narrowly held onto that position in 2014 and 2017.

general election LDPDPJ ('96–'14)/
CDPJ ('17)
KōmeitōJCP SDPNPD NFP ('96)/LP ('00)/
TPJ ('12)/LP ('17)
JRP ('12)/JIP ('14)/
JRP ('17)
YP ('12)/
Kibō ('17)
Others
Votes %SeatsVotes %Seats Votes %SeatsVotes %Seats Votes %SeatsVotes %Seats Votes %SeatsVotes %Seats Votes %SeatsVotes %Seats
1996 740,67728.23835,04231.83 396,92315.11 552,84721.12 100,8073.80
2000 735,31825.62898,67831.23 368,19812.81365,06112.71 255,3198.91 236,3018.20 17,9870.60
2003 876,65331.031,153,47140.84 394,84314.01253,4429.00 147,1465.20
2005 940,70529.131,090,72733.83 368,55211.41241,3717.50 152,6464.70433,93813.41
2009 805,89524.221,348,31840.64 354,88610.71241,3457.30 113,5623.40433,12213.01 27,6750.80
2012 692,30426.43477,35618.22 289,01111.01182,9687.00 48,3511.80346,84813.21 81,8383.10333,76012.71 155,5225.9010,5060.40
2014 744,74829.83688,92227.62 307,53412.31302,25112.11 53,6042.10 247,3429.91 155,4636.20
2017[1] 779,90328.83714,03226.43 298,57311.01230,3168.50 37,3741.40226,5528.40 74,7012.80 331,46312.2113,9830.50

Party names are abbreviated as follows (format: abbreviation, translated name, Japanese name, Engrish name):

List of representatives

Elected Representatives
Term 1996-2000 2000-03 2003-05 2005-09 2009-12 2012-14 2014-17 2017-2021
Rep.
Party
Kaori Maruya
NFP
Kaori Maruya
Komeito (from 1998)
Hisashi Inatsu
Komeito
Hidemichi Satō
Komeito
Rep.
Party
Kenji Kodama
JCP
Hiroko Nakano
DPJ
Seiji Ōsaka
DPJ
Hiroko Nakano
DPJ
Takahiro Yokomichi
DPJ
Kazuya Hatayama
JCP
Hiroshi Kamiya
CDP
Rep.
Party
Seiichi Kaneda
DPJ
Chiyomi Kobayashi
DPJ
Satoshi Arai (resigned 2007)
DPJ
Tomohiro Ishikawa
DPJ
Maya Yamazaki
DPJ
Satoshi Arai
DPJ
Satoshi Arai
DP (from 2016)
Maki Ikeda
CDP
Rep.
Party
Seiichi Ikehata
DPJ
Wakio Mitsui
DPJ
Kenkō Matsuki
DPJ
Tatsumaru Yamaoka
DPJ
Miho Takahashi
JRP
Miho Takahashi
JIP (from 2014)
Takako Suzuki
DPJ
Takako Suzuki
Ind. (from 2016)
Hiranao Honda
CDP
Rep.
Party
Kenji Nakazawa
DPJ
Hidenori Sasaki
DPJ
Takamori Yoshikawa
LDP
Hitomi Kudō
DPJ
Shigeaki Katsunuma
LDP
Kenkō Matsuki
JIP
Kenkō Matsuki
DP (from 2016)
Tatsumaru Yamaoka
Kibō
Rep.
Party
Toshiyuki Wanibuchi
NFP
Toshiyuki Wanibuchi
Lib. (from 1998)
Keiko Yamauchi
SDP
Eikō Kaneta
LDP
Yukari Iijima
LDP
Nobutaka Machimura (resigned 2010)
LDP
Hiroshi Imazu
LDP
Kōichi Watanabe
LDP
Rep.
Party
Muneo Suzuki
LDP
Muneo Suzuki
Ind. (resigned from LDP, 2002)
Gaku Ishizaki
LDP
Hiroshi Imazu
LDP
Tsutomu Takebe
LDP
Seiichi Shimizu
LDP
Hiroshi Imazu
LDP
Takako Suzuki
LDP
Rep.
Party
Takamori Yoshikawa
LDP
Hirofumi Iwakura
LDP
Takafumi Yamashita
LDP
Muneo Suzuki (arrested 2010)
NPD
Takahiro Asano
NPD
Tomohiro Ishikawa (resigned 2013)
NPD
Takako Suzuki
NPD
Kazuo Maeda
LDP
Toshimitsu Funahashi
LDP
Rep.
Party
Kōkō Satō
LDP
Seat abolished

Recent results

2017

  • #: List rank assigned by the party
  • District column: For double candidates who concurrently ran in a single-member electoral district, the district column contains the electoral district where they stood and the sekihairitsu (lit. "narrow defeat ratio"), the ratio of margin of defeat. It determines the ranking of candidates who are put on the same list rank by their party.
  • (in parentheses): Double candidates who are not eligible for election in the proportional block either because they won their district races or were disqualified for having received less than 10% of the vote in the district race (the same threshold as for losing the deposit in the single-member district election)
Hokkaidō block results in the 2017 general House of Representatives election[2][3]
#CandidateDistrictStatus #CandidateDistrictStatus #CandidateDistrictStatus
LDP: 779,903 votes (28.8%), 3 seats CDP: 714,032 votes (26.4%), 3 seats Kibō: 331,463 votes (12.2%), 1 seat
1Kōichi WatanabeElected 1Hiroshi KamiyaHokkaidō 10 (99.4%)Elected 1Tatsumaru YamaokaHokkaidō 9 (81.2%)Elected
2Takako SuzukiElected Maki IkedaHokkaidō 5 (95.3%)Elected Kenkō MatsukiHokkaidō 2 (70.9%)
3Toshimitsu FunahashiHokkaidō 1 (87.0%)Elected Hiranao HondaHokkaidō 4 (87.1%)Elected Mika MizukamiHokkaidō 12 (60.1%)
Hirohisa TakagiHokkaidō 3 (83.9%) (Daiki Michishita)Hokkaidō 1 (won) Miho TakahashiHokkaidō 4 (30.6%)
Hiroshi ImazuHokkaidō 6 (83.5%) (Satoshi Arai)Hokkaidō 3 (won) 5Kazuko Aoki
Yūko NakagawaHokkaidō 11 (83.5%) (Kaori Ishikawa)Hokkaidō 11 (won) 6Shinji Miyoshi
Kazuo MaedaHokkaidō 8 (80.4%) 7Maya Yamazaki JCP: 230,316 votes (8.5%), 0 seats
(Takamori Yoshikawa)Hokkaidō 2 (won) NPD: 226,552 votes (8.4%), 0 seats 1Kazuya Hatayama
(Hiroyuki Nakamura)Hokkaidō 4 (won) 1Muneo Suzuki 2Ryūji Kawabe
(Yoshiaki Wada)Hokkaidō 5 (won) 2Chisato Abe 3Masatoshi KanekuraHokkaidō 2 (50.2%)
(Yoshitaka Itō)Hokkaidō 7 (won) JRP: 74,701 votes (2.8%), 0 seats 4Katsumi Honma
(Manabu Horii)Hokkaidō 9 (won) 1(Yasufumi Kowada)Hokkaidō 2 (20.6%) 2Akiko Hondō
(Arata Takebe)Hokkaidō 12 (won) 2Akira Satō HRP: 13,983 votes (0.5%), 0 seats
14Seiichi Shimizu SDP: 53,604 votes (2.1%), 0 seats 1Hiroshi Noichi
15Chikako Kanazawa 1Kinuko Toyomaki 2Hideo Nakajima
Kōmeitō: 298,573 votes (11.0%), 1 seat
1Hidemichi SatōElected
2Hisayuki Takeda

2014

  • #: List rank assigned by the party
  • District column: For double candidates who concurrently ran in a single-member electoral district, the district column contains the electoral district where they stood and the sekihairitsu (lit. "narrow defeat ratio"), the ratio of margin of defeat. It determines the ranking of candidates who are put on the same list rank by their party.
  • (in parentheses): Double candidates who are not eligible for election in the proportional block either because they won their district races or were disqualified for having received less than 10% of the vote in the district race (the same threshold as for losing the deposit in the single-member district election)
Hokkaidō block results in the 2014 general House of Representatives election[4]
#CandidateDistrictStatus #CandidateDistrictStatus #CandidateDistrictStatus
LDP: 744,748 votes (29.8%), 3 seats DPJ: 688,922 votes (27.6%), 2 seats Kōmeitō: 307,534 votes (12.3%), 1 seat
1Kōichi WatanabeElected 1Takako SuzukiHokkaidō 7 (99.7%)Elected 1Hidemichi SatōElected
2(Takamori Yoshikawa)Hokkaidō 2 (won) 2(Takahiro Yokomichi)Hokkaidō 1 (won) 2Hisayuki Takeda
(Hirohisa Takagi)Hokkaidō 3 (won) (Takahiro Sasaki)Hokkaidō 6 (won) JCP: 302,251 votes (12.1%), 1 seat
(Hiroyuki Nakamura)Hokkaidō 4 (won) (Seiji Ōsaka)Hokkaidō 8 (won) 1Kazuya HatayamaElected
(Nobutaka Machimura)Hokkaidō 5 (won) Satoshi AraiHokkaidō 3 (92.3%)Elected 2Masatoshi KanakuraHokkaidō 2 (40.9%)
(Yoshitaka Itō)Hokkaidō 7 (won) Yoshio HachiroHokkaidō 4 (90.1%) JIP: 247,342 votes (9.9%), 1 seat
(Manabu Horii)Hokkaidō 9 (won) Tatsumaru YamaokaHokkaidō 9 (88.1%) 1Kenkō MatsukiHokkaidō 2 (63.5%)Elected
(Yūko Nakagawa)Hokkaidō 11 (won) Hiroshi KamiyaHokkaidō 10 (82.1%) Yasufumi KowadaHokkaidō 3 (28.2%)
(Arata Takebe)Hokkaidō 12 (won) Kenji KatsubeHokkaidō 5 (72.2%) 3Tomokazu Ōtake
Hiroshi ImazuHokkaidō 6 (97.2%)Elected Takeo MitsuHokkaidō 11 (70.4%) Support no Party: 104,854 votes (4.2%), no seat
Kazuo MaedaHokkaidō 8 (93.4%)Elected Mika MizukamiHokkaidō 12 (67.1%) 1Hidemitsu Sano
Toshimitsu FunahashiHokkaidō 1 (90.9%) SDP: 53,604 votes (2.1%), no seat 2Akiko Hondō
13Seiichi Shimizu 1Minoru Michibayashi HRP: 12,267 votes (0.5%), no seat
14Chikako Kanazawa PFG: 38,342 votes (1.5%), no seat 1Yoshinori Moruyama
15Kuniyoshi Azuma 1Satoshi Yasuda 2Yūichi Seto

2012

  • #: List rank assigned by the party
  • District column: For double candidates who concurrently ran in a single-member electoral district, the district column contains the electoral district where they stood and the sekihairitsu (lit. "narrow defeat ratio"), the ratio of margin of defeat. It determines the ranking of candidates who are put on the same list rank by their party.
  • (in parentheses): Double candidates who are not eligible for election in the proportional block either because they won their district races or were disqualified (for having received less than 10% of the vote in the district race)
Hokkaidō block results in the 2012 general House of Representatives election[5]
#CandidateDistrictStatus #CandidateDistrictStatus #CandidateDistrictStatus
LDP: 692,304 votes (26.4%), 3 seats DPJ: 477,356 votes (18.2%), 2 seats NPD: 346,848 votes (13.2%), 1 seat
1Kōichi WatanabeElected 1Takahiro YokomichiHokkaidō 1 (92.9%)Elected 1Tomohiro IshikawaHokkaidō 11 (80.8%)Elected
Resigned in 2013
2(Toshifumi Funahashi)Hokkaidō 1 (won) Satoshi AraiHokkaidō 3 (73.1%)Elected Takako SuzukiHokkaidō 7 (69.9%)Elected in 2013
(Takamori Yoshikawa)Hokkaidō 2 (won) Seiji ŌsakaHokkaidō 8 (71.7%) Kenkō MatsukiHokkaidō 12 (58.0%)
(Hirohisa Takagi)Hokkaidō 3 (won) Tadamasa KodairaHokkaidō 10 (71.6%) Hiroyasu ShimizuHokkaidō 1 (52.1%)
(Hiroyuki Nakamura)Hokkaidō 4 (won) Takahiro SasakiHokkaidō 6 (67.2%) Takahiro AsanoHokkaidō 10 (45.2%)
(Nobutaka Machimura)Hokkaidō 5 (won) Yoshio HachiroHokkaidō 4 (66.8%) Junko MachikawaHokkaidō 3 (35.1%)
(Hiroshi Imazu)Hokkaidō 6 (won) Wakio MitsuiHokkaidō 2 (66.4%) Hideto TomabechiHokkaidō 4 (32.3%)
(Yoshitaka Itō)Hokkaidō 7 (won) Shigeyuki NakamaeHokkaidō 5 (53.7%) JRP: 333,760 votes (12.7%), 1 seat
(Kazuo Maeda)Hokkaidō 8 (won) Tatsumaru YamaokaHokkaidō 9 (50.8%) 1Miho TakahashiHokkaidō 2 (56.4%)Elected
(Manabu Horii)Hokkaidō 9 (won) Hiroko NakanoHokkaidō 7 (29.4%) Tomokazu ŌtakeHokkaidō 1 (54.2%)
(Yūko Nakagawa)Hokkaidō 11 (won) Maya YamazakiHokkaidō 12 (27.9%) Yasufumi KowadaHokkaidō 3 (40.6%)
(Arata Takebe)Hokkaidō 12 (won) NK: 289,011 votes (11.0%), 1 seat 4Chitoku Yonenaga
13Seiichi ShimizuElected 1Hidemichi SatōElected JCP: 182,968 votes (7.0%), no seat
14Shigeaki KatsunumaElected 2Hisayuki Takeda 1Kazuya Hatayama
15Atsuko Ōkoshi YP: 155,522 votes (5.9%), no seat 2(Hiroyuki Norota)Hokkaidō 1 (22.5%)DQ
TPJ: 81,838 votes (3.1%), no seat 1Takanobu AzumaHokkaidō 6 (47.2%) SDP: 48,351 votes (1.8%), no seat
1Mika KitadeHokkaidō 8 (23.9%) Yūji NishidaHokkaidō 5 (31.9%) 1Takao Asano
HRP: 10,506 votes (0.4%), no seat Ryūji SawadaHokkaidō 2 (29.4%)
1Ichirō Kojima
2Kenjirō Sumi

2009

Hokkaidō block results in the 2009 general election[6][7]
LDP: 805,895 votes (24.2%), 2 seats DPJ: 1,348,318 votes (40.6%), 4 seats Kōmeitō: 354,886 votes (10.7%), 1 seat
#CandidateDistrict"Loss ratio"
(sekihairitsu)
Elected #CandidateDistrict"Loss ratio"Elected #CandidateDistrict"Loss ratio"Elected
1Tsutomu TakebeHokkaidō 1288.6%Elected 1Hiroko NakanoHokkaidō 799.0%Elected 1Hisashi InatsuPR onlyElected
Nobutaka MachimuraHokkaidō 582.7%Elected Takahiro YokomichiHokkaidō 1Won district 2Hisayuki Takeda
Yoshitaka ItōHokkaidō 7Won district Wakio MitsuiHokkaidō 2Won district NPD: 433,122 votes (13.0%), 1 seat
Shōichi NakagawaHokkaidō 1175.6%(died) Gaku IshizakiHokkaidō 3Won district #CandidateDistrict"Loss ratio"Elected
Hiroshi ImazuHokkaidō 668.2%(in 2010) Yoshio HachiroHokkaidō 4Won district 1Muneo SuzukiPR onlyElected
Gaku HasegawaHokkaidō 167.8% Chiyomi KobayashiHokkaidō 5Won district 2Eita Yashiro(DQ)
Gaku IshizakiHokkaidō 360.6% Takahiro SasakiHokkaidō 6Won district 3Takahiro Asano(in 2010)
Takamori YoshikawaHokkaidō 256.7% Seiji ŌsakaHokkaidō 8Won district 4Junko Hana
Yukari IijimaHokkaidō 1055.9% Tadamasa KodairaHokkaidō 10Won district JCP: 241,345 votes (7.3%), no seat
Tōru MiyamotoHokkaidō 450.1% Tomohiro IshikawaHokkaidō 11Won district #CandidateDistrict"Loss ratio"Elected
Satoshi KawabataHokkaidō 939.2% Tsutomu TakebeHokkaidō 12Won district 1Satoshi MiyauchiPR only
Keishirō FukushimaHokkaidō 833.9% 12Maya YamazakiPR onlyElected 2Chiharu OkaHokkaidō 216.6%
13Takahiro AnadaPR only 13Tatsumaru YamaokaElected Kazutoshi OgiuHokkaidō 610.1%
14Shin'ya Numazawa 14Hitomi KudōElected Akiko SatōHokkaidō 910.0%
15Fumitaka Uechi 15Masanori Sekifuji Yukari WatanabeHokkaidō 19.3%
SDP: 113,562 votes (3.4%), no seat HRP: 20,276 votes (0.6%), no seat Honshitsu: 7,399 votes (0.2%), no seat
#CandidateDistrict"Loss ratio"Elected #CandidateDistrict"Loss ratio"Elected #CandidateDistrict"Loss ratio"Elected
1Taka YamaguchiPR only 1Naofumi SatōPR only 1Hidemitsu SanoPR only
2Yumi HondaHokkaidō 28.7% 2Tomoo Kobayashi 2Akiko Hondō

References

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