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{{Infobox constituency
'''Iwate At-large district''' (岩手県選挙区, ''Iwate-ken senkyo-ku'') is a constituency of the [[House of Councillors of Japan|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. In the initial election of 1947 it used – like all districts – [[single non-transferable vote]] to select both its Councillors in one election.
|name=Iwate at-large district

|nativename={{no bold|岩手県選挙区}}
The Councillors currently representing Iwate are:
|type=[[Parliament]]ary
* [[Tatsuo Hirano]] (DPJ, Ozawa group; term ends in 2013) and
|parl_name=[[House of Councillors]]
* [[Ryō Shuhama]] (DPJ, Ozawa group; term ends in 2016).
|image=Iwate in Japan.svg

|image_size=250px
Predominantly rural Iwate is home and stronghold of reformist-conservative former [[Liberal Democratic Party (Japan)|Liberal Democratic Party]] (LDP) secretary-general [[Ichirō Ozawa]], i.e. the LDP, the [[Renewal Party (Japan)|Renewal Party]], the [[New Frontier Party (Japan)|New Frontier Party]], the [[Liberal Party (Japan, 1998)|Liberal Party]] and finally the [[Democratic Party (Japan)|Democratic Party]].
|district_label=[[Prefecture (Japan)|Prefecture]]
|district=[[Iwate Prefecture|Iwate]]
|electorate=1,017,716 (as of September 2022)<ref>{{cite web|url=https://www.soumu.go.jp/senkyo/senkyo_s/data/meibo/meibo_R04.html|access-date=2023-01-04|title=総務省|令和4年9月1日現在選挙人名簿及び在外選挙人名簿登録者数|language=ja|trans-title=Ministry of Internal Affairs and Communications - Number of registered voters as of 1 September 2022}}</ref>
|year=1947
|seats=2
|member_label=Councillors
|member=Class of 2019:{{ubl
|{{Color box|{{party color|Constitutional Democratic Party of Japan}}|border=darkgray}} Takanori Yokozawa <small>[[Constitutional Democratic Party of Japan|(CDP)]]</small>
}}
Class of 2022:
{{ubl
|{{Color box|{{party color|Constitutional Democratic Party of Japan}}|border=darkgray}} [[Eiji Kidoguchi]] <small>[[Constitutional Democratic Party of Japan|(CDP)]]</small>
}}}}
{{Short description|Japan House of Councillors constituency}}
The '''Iwate at-large district''' (岩手県選挙区, ''Iwate-ken senkyo-ku'') is a constituency of the [[House of Councillors of Japan|House of Councillors]] in the [[Diet of Japan]]. It consists of [[Iwate Prefecture]] and elects two Councilors, 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. Kidoguchi defeated other opposition parties to win it back in a 2024 by-election following Hirose's resignation. 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.


== Elected Councillors ==
== Elected Councillors ==
{| class="wikitable" border="1"
{| class="wikitable" border="1"
|-
|-
! class of 1947/1953/...<br /><small>(1947: #1, 6-year term)</small>
! Class of 1947<br /><small>(1947: 6-year term)</small>
! election year
! Election year
! class of 1950/1956/...<br /><small>(1947: #2, 3-year term)</small>
! Class of 1950<br /><small>(1947: 3-year term)</small>
|-
|-
| bgcolor="#DDEEFF" | [[Katsuji Debuchi]] † 1947<br />(Indep.)<ref group="party">joined [[Ryokufūkai]]</ref>
| bgcolor="#DDEEFF" | [[Katsuji Debuchi]] † 1947<br />(Ind.)<ref group="party">joined [[Ryokufūkai (1947–60)|Ryokufūkai]]</ref>
| align="center" | [[Japanese House of Councillors election, 1947|1947]]<ref>{{cite web |url=http://go2senkyo.com/election/1947/99/001803/00001803_8411.html|title=参議院>第1回参議院議員選挙>岩手選挙区|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="center" | [[1947 Japanese House of Councillors election|1947]]<ref>{{cite web |url=http://go2senkyo.com/election/1947/99/001803/00001803_8411.html|script-title=ja:参議院>第1回参議院議員選挙>岩手選挙区|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
| rowspan="6" | [[Tadashi Chida]] (Indep.)
| rowspan="6" | [[Tadashi Chida]] (Ind.)
|-
|-
| rowspan="2" {{Party shading/Liberal Party (Japan, 1945)}} | [[Matsusuke Kawamura]]<br />([[Liberal Party (1945)|JLP]])
| rowspan="2" {{Party shading/Liberal Party (Japan, 1945)}} | [[Matsusuke Kawamura]]<br />([[Liberal Party (1945)|JLP]])
| align="left" | <small>1947 by-el.</small><ref>{{cite web |url=http://go2senkyo.com/election/1947/99/00001804.html|title=参議院>第1回参議院議員補欠選挙|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="left" | <small>1947 by-el.</small><ref>{{cite web |url=http://go2senkyo.com/election/1947/99/00001804.html|script-title=ja:参議院>第1回参議院議員補欠選挙|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
|-
|-
| align="right" | [[Japanese House of Councillors election, 1950|1950]]<ref>{{cite web |url=http://go2senkyo.com/election/1950/99/001841/00001841_8513.html|title=参議院>第2回参議院議員選挙>岩手選挙区|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="right" | [[1950 Japanese House of Councillors election|1950]]<ref>{{cite web |url=http://go2senkyo.com/election/1950/99/001841/00001841_8513.html|script-title=ja:参議院>第2回参議院議員選挙>岩手選挙区|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
|-
|-
| rowspan="2" {{Party shading/Liberal Party (Japan, 1945)}} | Matsusuke Kawamura<br />([[Liberal Party (1945)|Yoshida faction LP]])
| rowspan="2" {{Party shading/Liberal Party (Japan, 1945)}} | Matsusuke Kawamura<br />([[Liberal Party (1945)|Yoshida faction LP]])
| align="left" | [[Japanese House of Councillors election, 1953|1953]]<ref>{{cite web|url=http://go2senkyo.com/election/1953/99/001862/00001862_8580.html|title=参議院>第3回参議院議員選挙>岩手選挙区|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="left" | [[1953 Japanese House of Councillors election|1953]]<ref>{{cite web|url=http://go2senkyo.com/election/1953/99/001862/00001862_8580.html|script-title=ja:参議院>第3回参議院議員選挙>岩手選挙区|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
|-
|-
| align="right" | [[Japanese House of Councillors election, 1956|1956]]<ref>{{cite web |url=http://go2senkyo.com/election/1956/99/001873/00001873_8637.html|title=参議院>第4回参議院議員選挙>岩手選挙区|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="right" | [[1956 Japanese House of Councillors election|1956]]<ref>{{cite web |url=http://go2senkyo.com/election/1956/99/001873/00001873_8637.html|script-title=ja:参議院>第4回参議院議員選挙>岩手選挙区|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
|-
|-
| rowspan="3" {{Party shading/Liberal Democratic Party (Japan)}} | [[Teiji Yamura]] † 1968<br />([[Liberal Democratic Party (Japan)|LDP]])
| rowspan="3" {{Party shading/Liberal Democratic Party (Japan)}} | [[Teiji Yamura]] † 1968<br />([[Liberal Democratic Party (Japan)|LDP]])
| align="left" | [[Japanese House of Councillors election, 1959|1959]]<ref>{{cite web |url=http://go2senkyo.com/election/1959/99/001900/00001900_8710.html|title=参議院>第5回参議院議員選挙>岩手選挙区|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="left" | [[1959 Japanese House of Councillors election|1959]]<ref>{{cite web |url=http://go2senkyo.com/election/1959/99/001900/00001900_8710.html|script-title=ja:参議院>第5回参議院議員選挙>岩手選挙区|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
|-
|-
| align="right" | [[Japanese House of Councillors election, 1962|1962]]<ref>{{cite web |url=http://go2senkyo.com/election/1962/99/001907/00001907_8764.html|title=参議院>第6回参議院議員選挙>岩手選挙区|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="right" | [[1962 Japanese House of Councillors election|1962]]<ref>{{cite web |url=http://go2senkyo.com/election/1962/99/001907/00001907_8764.html|script-title=ja:参議院>第6回参議院議員選挙>岩手選挙区|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
| rowspan="3" {{Party shading/Japan Socialist Party}} | [[Kankichi Watanabe]]<br />([[Japan Socialist Party|JSP]])
| rowspan="3" {{Party shading/Japan Socialist Party}} | [[Kankichi Watanabe]]<br />([[Japan Socialist Party|JSP]])
|-
|-
| align="left" | [[Japanese House of Councillors election, 1965|1965]]<ref>{{cite web |url=http://go2senkyo.com/election/1965/99/001918/00001918_8821.html|title=参議院>第7回参議院議員選挙>岩手選挙区|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="left" | [[1965 Japanese House of Councillors election|1965]]<ref>{{cite web |url=http://go2senkyo.com/election/1965/99/001918/00001918_8821.html|script-title=ja:参議院>第7回参議院議員選挙>岩手選挙区|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
|-
|-
| rowspan="8" {{Party shading/Liberal Democratic Party (Japan)}} | [[Michiyuki Isurugi]] † 1987<br />([[Liberal Democratic Party (Japan)|LDP]])
| rowspan="8" {{Party shading/Liberal Democratic Party (Japan)}} | [[Michiyuki Isurugi]] † 1987<br />([[Liberal Democratic Party (Japan)|LDP]])
| align="left" | <small>1968 by-el.</small><ref>{{cite web |url=http://go2senkyo.com/election/1968/99/00001919.html|title=参議院>第7回参議院議員補欠選挙|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="left" | <small>1968 by-el.</small><ref>{{cite web |url=http://go2senkyo.com/election/1968/99/00001919.html|script-title=ja:参議院>第7回参議院議員補欠選挙|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
|-
|-
| align="right" | [[Japanese House of Councillors election, 1968|1968]]<ref>{{cite web |url=http://go2senkyo.com/election/1968/99/001930/00001930_8880.html|title=参議院>第8回参議院議員選挙>岩手選挙区|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="right" | [[1968 Japanese House of Councillors election|1968]]<ref>{{cite web |url=http://go2senkyo.com/election/1968/99/001930/00001930_8880.html|script-title=ja:参議院>第8回参議院議員選挙>岩手選挙区|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
| rowspan="6" {{Party shading/Liberal Democratic Party (Japan)}} | [[Sakari Masuda]]<br />([[Liberal Democratic Party (Japan)|LDP]])
| rowspan="6" {{Party shading/Liberal Democratic Party (Japan)}} | [[Sakari Masuda]]<br />([[Liberal Democratic Party (Japan)|LDP]])
|-
|-
| align="left" | [[Japanese House of Councillors election, 1971|1971]]<ref>{{cite web |url=http://go2senkyo.com/election/1971/99/001935/00001935_8931.html|title=参議院>第9回参議院議員選挙>岩手選挙区|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="left" | [[1971 Japanese House of Councillors election|1971]]<ref>{{cite web |url=http://go2senkyo.com/election/1971/99/001935/00001935_8931.html|script-title=ja:参議院>第9回参議院議員選挙>岩手選挙区|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
|-
|-
| align="right" | [[Japanese House of Councillors election, 1974|1974]]<ref>{{cite web |url=http://go2senkyo.com/election/1974/99/001945/00001945_8989.html|title=参議院>第10回参議院議員選挙>岩手選挙区|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="right" | [[1974 Japanese House of Councillors election|1974]]<ref>{{cite web |url=http://go2senkyo.com/election/1974/99/001945/00001945_8989.html|script-title=ja:参議院>第10回参議院議員選挙>岩手選挙区|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
|-
|-
| align="left" | [[Japanese House of Councillors election, 1977|1977]]<ref>{{cite web |url=http://go2senkyo.com/election/1977/99/001953/00001953_9047.html|title=参議院>第11回参議院議員選挙>岩手選挙区|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="left" | [[1977 Japanese House of Councillors election|1977]]<ref>{{cite web |url=http://go2senkyo.com/election/1977/99/001953/00001953_9047.html|script-title=ja:参議院>第11回参議院議員選挙>岩手選挙区|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
|-
|-
| align="right" | [[Japanese House of Councillors election, 1980|1980]]<ref>{{cite web |url=http://go2senkyo.com/election/1980/99/001960/00001960_9101.html|title=参議院>第12回参議院議員選挙>岩手選挙区|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="right" | [[1980 Japanese House of Councillors election|1980]]<ref>{{cite web |url=http://go2senkyo.com/election/1980/99/001960/00001960_9101.html|script-title=ja:参議院>第12回参議院議員選挙>岩手選挙区|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
|-
|-
| align="left" | [[Japanese House of Councillors election, 1983|1983]]<ref>{{cite web |url=http://go2senkyo.com/election/1983/99/001970/00001970_9158.html|title=参議院>第13回参議院議員選挙>岩手選挙区|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="left" | [[1983 Japanese House of Councillors election|1983]]<ref>{{cite web |url=http://go2senkyo.com/election/1983/99/001970/00001970_9158.html|script-title=ja:参議院>第13回参議院議員選挙>岩手選挙区|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
|-
|-
| align="right" | [[Japanese House of Councillors election, 1986|1986]]<ref>{{cite web |url=http://go2senkyo.com/election/1986/99/001975/00001975_9210.html|title=参議院>第14回参議院議員選挙>岩手選挙区|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="right" | [[1986 Japanese House of Councillors election|1986]]<ref>{{cite web |url=http://go2senkyo.com/election/1986/99/001975/00001975_9210.html|script-title=ja:参議院>第14回参議院議員選挙>岩手選挙区|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
| rowspan="3" {{Party shading/Liberal Democratic Party (Japan)}} | [[Kiyotaka Takahashi]]<br />([[Liberal Democratic Party (Japan)|LDP]])
| rowspan="3" {{Party shading/Liberal Democratic Party (Japan)}} | [[Kiyotaka Takahashi]]<br />([[Liberal Democratic Party (Japan)|LDP]])
|-
|-
| rowspan="3" {{Party shading/Japan Socialist Party}} | [[Jin'ichi Ogawa]]<br />([[Japan Socialist Party|JSP]])
| rowspan="3" {{Party shading/Japan Socialist Party}} | [[Jin'ichi Ogawa]]<br />([[Japan Socialist Party|JSP]])
| align="left" | <small>1987 by-el.</small><ref>{{cite web |url=http://go2senkyo.com/election/1987/99/00001976.html|title=参議院>第14回参議院議員補欠選挙|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="left" | <small>1987 by-el.</small><ref>{{cite web |url=http://go2senkyo.com/election/1987/99/00001976.html|script-title=ja:参議院>第14回参議院議員補欠選挙|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
|-
|-
| align="left" | [[Japanese House of Councillors election, 1989|1989]]<ref>{{cite web |url=http://go2senkyo.com/election/1989/99/001986/00001986_9268.html|title=参議院>第15回参議院議員選挙>岩手選挙区|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="left" | [[1989 Japanese House of Councillors election|1989]]<ref>{{cite web |url=http://go2senkyo.com/election/1989/99/001986/00001986_9268.html|script-title=ja:参議院>第15回参議院議員選挙>岩手選挙区|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
|-
|-
| align="right" | [[Japanese House of Councillors election, 1992|1992]]<ref>{{cite web |url=http://go2senkyo.com/election/1992/99/001996/00001996_9325.html|title=参議院>第16回参議院議員選挙>岩手選挙区|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="right" | [[1992 Japanese House of Councillors election|1992]]<ref>{{cite web |url=http://go2senkyo.com/election/1992/99/001996/00001996_9325.html|script-title=ja:参議院>第16回参議院議員選挙>岩手選挙区|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
| rowspan="2" {{Party shading/Liberal Democratic Party (Japan)}} | [[Motoo Shiina]]<br />([[Liberal Democratic Party (Japan)|LDP]])<ref group="party">left LDP in 1993, later temporarily [[Jiyū no Kai|"Liberal Assembly"]]</ref>
| rowspan="2" {{Party shading/Liberal Democratic Party (Japan)}} | [[Motoo Shiina]]<br />([[Liberal Democratic Party (Japan)|LDP]])<ref group="party">left LDP in 1993, later temporarily [[Jiyū no Kai|"Liberal Assembly"]]</ref>
|-
|-
| rowspan="2" {{Party shading/Democratic Party of Japan}} | [[Yoshinori Takahashi]]<br />([[New Frontier Party (Japan)|NFP]])
| rowspan="2" {{Party shading/Democratic Party of Japan}} | [[Yoshinori Takahashi]]<br />([[New Frontier Party (Japan)|NFP]])
| align="left" | [[Japanese House of Councillors election, 1995|1995]]<ref>{{cite web |url=http://go2senkyo.com/election/1995/99/001998/00001998_9377.html|title=参議院>第17回参議院議員選挙>岩手選挙区|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="left" | [[1995 Japanese House of Councillors election|1995]]<ref>{{cite web |url=http://go2senkyo.com/election/1995/99/001998/00001998_9377.html|script-title=ja:参議院>第17回参議院議員選挙>岩手選挙区|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
|-
|-
| align="right" | [[Japanese House of Councillors election, 1998|1998]]<ref>{{cite web |url=http://go2senkyo.com/election/1998/99/002001/00002001_9427.html|title=参議院>第18回参議院議員選挙>岩手選挙区|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="right" | [[1998 Japanese House of Councillors election|1998]]<ref>{{cite web |url=http://go2senkyo.com/election/1998/99/002001/00002001_9427.html|script-title=ja:参議院>第18回参議院議員選挙>岩手選挙区|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
| rowspan="2" | Motoo Shiina<br />(Indep.)<ref group="party">joined [[Mushozoku no Kai|"Independent Assembly"]]</ref>
| rowspan="2" | Motoo Shiina<br />(Ind.)<ref group="party">joined [[Mushozoku no Kai|"Independent Assembly"]]</ref>
|-
|-
| rowspan="2" bgcolor="#FFBC00" | [[Tatsuo Hirano]]<br />([[Liberal Party (Japan, 1998)|LP]])
| rowspan="2" bgcolor="#FFBC00" | [[Tatsuo Hirano]]<br />([[Liberal Party (Japan, 1998)|LP]])
| align="left" | [[Japanese House of Councillors election, 2001|2001]]<ref>{{cite web |url=http://go2senkyo.com/election/2001/99/002009/00002009_9577.html|title=参議院>第19回参議院議員選挙>岩手選挙区|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="left" | [[2001 Japanese House of Councillors election|2001]]<ref>{{cite web |url=http://go2senkyo.com/election/2001/99/002009/00002009_9577.html|script-title=ja:参議院>第19回参議院議員選挙>岩手選挙区|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
|-
|-
| align="right" | [[Japanese House of Councillors election, 2004|2004]]<ref>{{cite web |url=http://go2senkyo.com/election/2004/99/002006/00002006_9527.html|title=参議院>第20回参議院議員選挙>岩手選挙区|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="right" | [[2004 Japanese House of Councillors election|2004]]<ref>{{cite web |url=http://go2senkyo.com/election/2004/99/002006/00002006_9527.html|script-title=ja:参議院>第20回参議院議員選挙>岩手選挙区|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
| rowspan="3" {{Party shading/Democratic Party of Japan}} | [[Ryō Shuhama]]<br />([[Democratic Party of Japan|DPJ]])
| rowspan="4" {{Party shading/Democratic Party of Japan}} | [[Ryō Shuhama]]<br />([[Democratic Party (Japan, 1998)|DPJ]])<ref group="party">joined LF→TPJ→PLP in 2012</ref>
|-
|-
| rowspan="2" {{Party shading/Democratic Party of Japan}} | Tatsuo Hirano<br />([[Democratic Party of Japan|DPJ]])
| rowspan="2" {{Party shading/Democratic Party of Japan}} | Tatsuo Hirano<br />([[Democratic Party (Japan, 1998)|DPJ]])<ref group="party">expelled in 2013</ref>
| align="left" | [[Japanese House of Councillors election, 2007|2007]]<ref name="senkyo2007">{{cite web |url=http://go2senkyo.com/election/2007/99/006850/00006850_17759.html|title=参議院>第21回参議院議員選挙>岩手選挙区|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="left" | [[2007 Japanese House of Councillors election|2007]]<ref name="senkyo2007">{{cite web |url=http://go2senkyo.com/election/2007/99/006850/00006850_17759.html|script-title=ja:参議院>第21回参議院議員選挙>岩手選挙区|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
|-
|-
| align="right" | [[Japanese House of Councillors election, 2010|2010]]<ref name="senkyo2010">{{cite web |url=http://go2senkyo.com/election/2010/99/011253/00011253_27084.html|title=参議院>第22回参議院議員選挙>岩手選挙区|work=[http://go2senkyo.com/ ザ・選挙]|accessdate=2011-05-07|publisher=''Voice Japan''|language=Japanese}}</ref>
| align="right" | [[2010 Japanese House of Councillors election|2010]]<ref name="senkyo2010">{{cite web |url=http://go2senkyo.com/election/2010/99/011253/00011253_27084.html|script-title=ja:参議院>第22回参議院議員選挙>岩手選挙区|work=go2senkyo.com ザ・選挙|access-date=2011-05-07|publisher=Voice Japan|language=ja}}</ref>
|-
| rowspan="2" | Tatsuo Hirano<br />(Ind.)
| align="left" | [[2013 Japanese House of Councillors election|2013]]<ref name="yomiuri2013">{{cite web |url=http://www.yomiuri.co.jp/election/sangiin/2013/kaihyou/ye03.htm|script-title=ja:参院選2013>選挙結果>選挙区>岩手|work=[[Yomiuri Shimbun]]|access-date=2013-07-22|language=ja}}</ref>
|-
| align="right" | [[2016 Japanese House of Councillors election|2016]]<ref name="elect16">{{cite web |url=http://www.yomiuri.co.jp/election/sangiin/2016/kaihyou/ye03.html|title=開票結果・速報(選挙区・岩手県)【参議院選挙2016】|work=Yomiuri Shimbun|access-date=5 September 2019|trans-title=Results (Iwate at-large district) [House of Councillors election 2016]|language=ja}}</ref>
| rowspan="2" | [[Eiji Kidoguchi]] (Ind.)
|-
| rowspan="3" | [[Takanori Yokosawa]]<br />(Ind.)<ref group="party">joined CDP in 2020</ref>
| align="left" | [[2019 Japanese House of Councillors election|2019]]<ref name="nhk2019">{{cite web |url=https://www.nhk.or.jp/senkyo/database/sangiin/2019/03/skh43394.html |title=2016 |publisher=NHK |access-date=27 September 2019}}</ref>
|-
| align="right" | [[2022 Japanese House of Councillors election|2022]]<ref name="yomiuri2022">{{Cite web |date=2022-06-22 |title=参院選 岩手 選挙速報・開票結果【随時更新】 |url=https://www.yomiuri.co.jp/election/sangiin/YE03XXXXXX000/ |access-date=2022-12-18 |website=読売新聞オンライン |language=ja}}</ref>
| {{Party shading/Liberal Democratic Party (Japan)}} | [[Megumi Hirose]] # ([[Liberal Democratic Party (Japan)|LDP]])
|-
| align="right" | <small>[[2024 Japanese by-elections#Iwate at-large district|2024 by-el.]]</small><ref>{{cite web |title=CDP candidate wins Upper House by-election |url=https://www.japantimes.co.jp/news/2024/10/28/japan/politics/japan-upper-house-by-election-opposition-win/ |website=Japan Times |access-date=30 October 2024}}</ref>
| {{Party shading/Constitutional Democratic Party of Japan}} | [[Eiji Kidoguchi]] ([[Constitutional Democratic Party of Japan|CDP]])
|}
|}


Line 85: Line 115:


== Recent election results ==
== Recent election results ==
{{Election box begin | title=2024 by-election<ref>{{cite web |title=参院補選 岩手 |url=https://www3.nhk.or.jp/senkyo2/morioka/20765/skh55116.html |website=NHK |access-date=31 October 2024}}</ref>}}
{{Election box begin | title=[[Japanese House of Councillors election, 2010|2010]]<ref name="senkyo2010" />}}
{{Election box candidate|
{{Election box winning candidate with party link|
|party = [[Democratic Party of Japan|DPJ]]
|party = Constitutional Democratic Party of Japan
|candidate = '''[[Ryō Shuhama]]'''
|candidate = [[Eiji Kidoguchi]]
|votes = 334,914
|percentage = 65.9
|change =
}}
{{Election box candidate with party link|
|party = Independent (politician)
|candidate = Ayumi Tanaka
|votes = 109,978
|percentage = 21.7
|change =
}}
{{Election box candidate with party link|
|party = Sanseitō
|candidate = Toshiya Yoshida
|votes = 48,214
|percentage = 9.5
|change = {{increase}}4.7
}}
{{Election box candidate with party link|
|party = Minor party
|candidate = Hironori Matsushima
|votes = 9,015
|percentage = 1.8
|change =
}}{{Election box candidate with party link|
|party = Minor party
|candidate = Yutaka Odata
|votes = 5,810
|percentage = 1.1
|change =
}}
{{Election box registered electors|reg. electors=1,000,754}}
{{Election box turnout
|votes =
|percentage= 55.54
|change = {{increase}}0.16
}}
{{Election box gain with party link without swing
|winner= Constitutional Democratic Party of Japan
|loser= Liberal Democratic Party (Japan)
}}
{{Election box end}}

{{Election box begin | title=[[2022 Japanese House of Councillors election|2022]]<ref name=yomiuri2022 />}}
{{Election box winning candidate with party link
|party = Liberal Democratic Party (Japan)
|candidate = [[Megumi Hirose]]
|votes = 264,422
|percentage = 47.2
|change = {{increase}}0.9
}}
{{Election box candidate with party link
|party = Independent (politician)
|candidate = [[Eiji Kidoguchi]]
|votes = 242,174
|percentage = 43.2
|change = {{decrease}}5.7
}}
{{Election box candidate with party link
|party = Sanseitō
|candidate = Akishi Shiratori
|votes = 26,960
|percentage = 4.8
|change = ''New''
}}
{{Election box candidate with party link
|party = Independent (politician)
|candidate = Hiroko Ogoshi
|votes = 13,637
|percentage = 2.4
|change =
}}
{{Election box candidate with party link
|party = NHK Party
|candidate = Takashi Matsuda
|votes = 13,352
|percentage = 2.4
|change = {{decrease}}2.3
}}
{{Election box registered electors|reg. electors=1,034,059}}
{{Election box turnout
|votes =
|percentage = 55,38%
|change = {{decrease}}1.17
}}
{{Election box end}}
{{Election box begin | title=[[2019 Japanese House of Councillors election|2019]]<ref name=nhk2019 />}}
{{Election box winning candidate with party link
|party = Independent (politician)
|candidate = [[Takanori Yokosawa]]
|votes = 288,239
|percentage = 48.97
|change = -
}}
{{Election box candidate with party link
|party = Liberal Democratic Party (Japan)
|candidate = [[Tatsuo Hirano]]
|votes = 272,733
|percentage = 46.33
|change = {{increase}}6.63
}}
{{Election box candidate with party link
|party = NHK Party
|candidate = Shuuichi Kajitani
|votes = 27,658
|percentage = 4.7
|change =
}}
{{Election box registered electors|reg. electors=1,066,492}}
{{Election box turnout
|votes =
|percentage = 56,55%
|change = {{decrease}}1.23
}}
{{Election box end}}

{{Election box begin | title=[[2016 Japanese House of Councillors election|2016]]<ref name=elect16 />}}
{{Election box candidate with party link
|party = Independent (politician)
|candidate = '''[[Eiji Kidoguchi]]'''<br /><small>(Endorsed by [[Democratic Party (Japan, 2016)|Democratic]], [[Japanese Communist Party|Communist]], [[Social Democratic Party (Japan)|Social Democratic]] and [[People's Life Party|People's Life]] parties)</small>
|votes = '''328,555'''
|percentage = '''53.3'''
|change =
}}
{{Election box candidate with party link
|party = Liberal Democratic Party (Japan)
|candidate = Shinichi Tanaka<br /> <small>(Endorsed by [[Komeito]])</small>
|votes = 252,767
|percentage = 41.0
|change =
}}
{{Election box candidate with party link
|party = Happiness Realization Party
|candidate = Mikiko Ishikawa
|votes = 34,593
|percentage = 5.6
|change =
}}
{{Election box end}}

{{Election box begin | title=[[2013 Japanese House of Councillors election|2013]]<ref name="yomiuri2013" />}}
{{Election box candidate with party link
|party = Independent (politician)
|candidate = '''[[Tatsuo Hirano]]''' <small>''(Incumbent)''</small>
|votes = '''243,368'''
|percentage = '''39.7'''
|change =
}}
{{Election box candidate with party link
|party = Liberal Democratic Party (Japan)
|candidate = Shinichi Tanaka<br /><small>(Endorsed by [[Komeito]])</small>
|votes = 161,499
|percentage = 26.4
|change =
}}
{{Election box candidate with party link
|party = People's Life Party
|candidate = [[Toshinobu Sekine]] <!--Former prefecture assembly member, therefore redlink--><br /><small>Endorsed by [[Green Wind]]</small>
|votes = 91,048
|percentage = 14.9
|change =
}}
{{Election box candidate with party link
|party = Democratic Party (Japan, 1998)
|candidate = Harumi Yoshida
|votes = 62,047
|percentage = 10.1
|change =
}}
{{Election box candidate with party link
|party = Japanese Communist Party
|candidate = Yukio Kikuchi
|votes = 46,529
|percentage = 7.6
|change =
}}
{{Election box candidate with party link
|party = Happiness Realization Party
|candidate = Keiko Takahashi
|votes = 8,322
|percentage = 1.4
|change =
}}
{{Election box end}}

{{Election box begin | title=[[2010 Japanese House of Councillors election|2010]]<ref name="senkyo2010" />}}
{{Election box candidate with party link
|party = Democratic Party (Japan, 1998)
|candidate = '''[[Ryō Shuhama]]''' <small>''(Incumbent)''</small>
|votes = 351,545
|votes = 351,545
|percentage = 54.2
|percentage = 54.2
|change =
|change =
}}
}}
{{Election box candidate|
{{Election box candidate with party link
|party = [[Liberal Democratic Party (Japan)|LDP]]
|party = Liberal Democratic Party (Japan)
|candidate = Yukifumi Takahashi
|candidate = Yukifumi Takahashi
|votes = 197,137
|votes = 197,137
Line 100: Line 319:
|change =
|change =
}}
}}
{{Election box candidate|
{{Election box candidate with party link
|party = [[Social Democratic Party (Japan)|SDP]]
|party = Social Democratic Party (Japan)
|candidate = Masahiro Iwasa
|candidate = Masahiro Iwasa
|votes = 54,989
|votes = 54,989
Line 107: Line 326:
|change =
|change =
}}
}}
{{Election box candidate|
{{Election box candidate with party link
|party = [[Japanese Communist Party|JCP]]
|party = Japanese Communist Party
|candidate = Sadakiyo Segawa
|candidate = Sadakiyo Segawa
|votes = 44,771
|votes = 44,771
Line 114: Line 333:
|change =
|change =
}}
}}
{{Election box turnout|
{{Election box turnout
|votes = 669,498
|votes = 669,498
|percentage = 60.36
|percentage = 60.36
Line 121: Line 340:
{{Election box end}}
{{Election box end}}


{{Election box begin | title=[[Japanese House of Councillors election, 2007|2007]]<ref name="senkyo2007" />}}
{{Election box begin | title=[[2007 Japanese House of Councillors election|2007]]<ref name="senkyo2007" />}}
{{Election box candidate|
{{Election box candidate with party link
|party = [[Democratic Party of Japan|DPJ]] ([[People's New Party|PNP]] support)
|party = Democratic Party (Japan, 1998)
|candidate = '''[[Tatsuo Hirano]]'''
|candidate = '''[[Tatsuo Hirano]]''' <small>''(Incumbent)''</small><br /><small>(Supported by [[People's New Party]])</small>
|votes = 437,814
|votes = 437,814
|percentage = 62.6
|percentage = 62.6
|change =
|change =
}}
}}
{{Election box candidate|
{{Election box candidate with party link
|party = [[Liberal Democratic Party (Japan)|LDP]] ([[Kōmeitō]] support)
|party = Liberal Democratic Party (Japan)
|candidate = Shōichirō Chida
|candidate = Shōichirō Chida<br /><small>(Supported by [[Kōmeitō]])</small>
|votes = 176,096
|votes = 176,096
|percentage = 25.2
|percentage = 25.2
|change =
|change =
}}
}}
{{Election box candidate|
{{Election box candidate with party link
|party = [[Social Democratic Party (Japan)|SDP]]
|party = Social Democratic Party (Japan)
|candidate = Masahiro Iwasa
|candidate = Masahiro Iwasa
|votes = 47,425
|votes = 47,425
Line 143: Line 362:
|change =
|change =
}}
}}
{{Election box candidate|
{{Election box candidate with party link
|party = [[Japanese Communist Party|JCP]]
|party = Japanese Communist Party
|candidate = Akio Wakayama
|candidate = Akio Wakayama
|votes = 38,089
|votes = 38,089
Line 150: Line 369:
|change =
|change =
}}
}}
{{Election box turnout|
{{Election box turnout
|votes = 714,559
|votes = 714,559
|percentage = 63.49
|percentage = 63.49
Line 158: Line 377:


== References ==
== References ==
House of Councillors: [http://www.sangiin.go.jp/japanese/san60/s60_shiryou/giin_a_sa.htm Alphabetical list of former Councillors]
House of Councillors: [https://web.archive.org/web/20090902102101/http://www.sangiin.go.jp/japanese/san60/s60_shiryou/giin_a_sa.htm Alphabetical list of former Councillors]
{{Reflist}}
{{Reflist}}


{{Diet of Japan Iwate electoral districts}}
{{Diet of Japan Iwate electoral districts}}
{{Japan House of Councillors Districts}}


{{coord missing|Iwate Prefecture}}
{{coord missing|Iwate Prefecture}}


[[Category:Iwate Prefecture]]
[[Category:Politics of Iwate Prefecture]]
[[Category:Districts of the House of Councillors]]
[[Category:Districts of the House of Councillors (Japan)]]

[[ja:岩手県選挙区]]

Latest revision as of 19:27, 4 November 2024

Iwate at-large district
岩手県選挙区
Parliamentary constituency
for the House of Councillors
PrefectureIwate
Electorate1,017,716 (as of September 2022)[1]
Current constituency
Created1947
Seats2
CouncillorsClass of 2019:
  •   Takanori Yokozawa (CDP)

Class of 2022:

The Iwate at-large district (岩手県選挙区, Iwate-ken senkyo-ku) is a constituency of the House of Councillors in the Diet of Japan. It consists of Iwate Prefecture and elects two Councilors, 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. Kidoguchi defeated other opposition parties to win it back in a 2024 by-election following Hirose's resignation. 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.

Elected Councillors

[edit]
Class of 1947
(1947: 6-year term)
Election year Class of 1950
(1947: 3-year term)
Katsuji Debuchi † 1947
(Ind.)[party 1]
1947[2] Tadashi Chida (Ind.)
Matsusuke Kawamura
(JLP)
1947 by-el.[3]
1950[4]
Matsusuke Kawamura
(Yoshida faction LP)
1953[5]
1956[6]
Teiji Yamura † 1968
(LDP)
1959[7]
1962[8] Kankichi Watanabe
(JSP)
1965[9]
Michiyuki Isurugi † 1987
(LDP)
1968 by-el.[10]
1968[11] Sakari Masuda
(LDP)
1971[12]
1974[13]
1977[14]
1980[15]
1983[16]
1986[17] Kiyotaka Takahashi
(LDP)
Jin'ichi Ogawa
(JSP)
1987 by-el.[18]
1989[19]
1992[20] Motoo Shiina
(LDP)[party 2]
Yoshinori Takahashi
(NFP)
1995[21]
1998[22] Motoo Shiina
(Ind.)[party 3]
Tatsuo Hirano
(LP)
2001[23]
2004[24] Ryō Shuhama
(DPJ)[party 4]
Tatsuo Hirano
(DPJ)[party 5]
2007[25]
2010[26]
Tatsuo Hirano
(Ind.)
2013[27]
2016[28] Eiji Kidoguchi (Ind.)
Takanori Yokosawa
(Ind.)[party 6]
2019[29]
2022[30] Megumi Hirose # (LDP)
2024 by-el.[31] Eiji Kidoguchi (CDP)

Party affiliations as of election day; #: resigned; †: died in office.

  1. ^ joined Ryokufūkai
  2. ^ left LDP in 1993, later temporarily "Liberal Assembly"
  3. ^ joined "Independent Assembly"
  4. ^ joined LF→TPJ→PLP in 2012
  5. ^ expelled in 2013
  6. ^ joined CDP in 2020

Recent election results

[edit]
2024 by-election[32]
Party Candidate Votes % ±%
CDP Eiji Kidoguchi 334,914 65.9
Independent Ayumi Tanaka 109,978 21.7
Sanseitō Toshiya Yoshida 48,214 9.5 Increase4.7
Minor party Hironori Matsushima 9,015 1.8
Minor party Yutaka Odata 5,810 1.1
Registered electors 1,000,754
Turnout 55.54 Increase0.16
CDP gain from LDP
2022[30]
Party Candidate Votes % ±%
LDP Megumi Hirose 264,422 47.2 Increase0.9
Independent Eiji Kidoguchi 242,174 43.2 Decrease5.7
Sanseitō Akishi Shiratori 26,960 4.8 New
Independent Hiroko Ogoshi 13,637 2.4
Anti-NHK Takashi Matsuda 13,352 2.4 Decrease2.3
Registered electors 1,034,059
Turnout 55,38% Decrease1.17
2019[29]
Party Candidate Votes % ±%
Independent Takanori Yokosawa 288,239 48.97
LDP Tatsuo Hirano 272,733 46.33 Increase6.63
Anti-NHK Shuuichi Kajitani 27,658 4.7
Registered electors 1,066,492
Turnout 56,55% Decrease1.23
2016[28]
Party Candidate Votes % ±%
Independent Eiji Kidoguchi
(Endorsed by Democratic, Communist, Social Democratic and People's Life parties)
328,555 53.3
LDP Shinichi Tanaka
(Endorsed by Komeito)
252,767 41.0
Happiness Realization Mikiko Ishikawa 34,593 5.6
2013[27]
Party Candidate Votes % ±%
Independent Tatsuo Hirano (Incumbent) 243,368 39.7
LDP Shinichi Tanaka
(Endorsed by Komeito)
161,499 26.4
People's Life Toshinobu Sekine
Endorsed by Green Wind
91,048 14.9
Democratic Harumi Yoshida 62,047 10.1
JCP Yukio Kikuchi 46,529 7.6
Happiness Realization Keiko Takahashi 8,322 1.4
2010[26]
Party Candidate Votes % ±%
Democratic Ryō Shuhama (Incumbent) 351,545 54.2
LDP Yukifumi Takahashi 197,137 30.4
Social Democratic Masahiro Iwasa 54,989 8.5
JCP Sadakiyo Segawa 44,771 6.9
Turnout 669,498 60.36
2007[25]
Party Candidate Votes % ±%
Democratic Tatsuo Hirano (Incumbent)
(Supported by People's New Party)
437,814 62.6
LDP Shōichirō Chida
(Supported by Kōmeitō)
176,096 25.2
Social Democratic Masahiro Iwasa 47,425 6.8
JCP Akio Wakayama 38,089 5.4
Turnout 714,559 63.49

References

[edit]

House of Councillors: Alphabetical list of former Councillors

  1. ^ "総務省|令和4年9月1日現在選挙人名簿及び在外選挙人名簿登録者数" [Ministry of Internal Affairs and Communications - Number of registered voters as of 1 September 2022] (in Japanese). Retrieved 2023-01-04.
  2. ^ 参議院>第1回参議院議員選挙>岩手選挙区. go2senkyo.com ザ・選挙 (in Japanese). Voice Japan. Retrieved 2011-05-07.
  3. ^ 参議院>第1回参議院議員補欠選挙. go2senkyo.com ザ・選挙 (in Japanese). Voice Japan. Retrieved 2011-05-07.
  4. ^ 参議院>第2回参議院議員選挙>岩手選挙区. go2senkyo.com ザ・選挙 (in Japanese). Voice Japan. Retrieved 2011-05-07.
  5. ^ 参議院>第3回参議院議員選挙>岩手選挙区. go2senkyo.com ザ・選挙 (in Japanese). Voice Japan. Retrieved 2011-05-07.
  6. ^ 参議院>第4回参議院議員選挙>岩手選挙区. go2senkyo.com ザ・選挙 (in Japanese). Voice Japan. Retrieved 2011-05-07.
  7. ^ 参議院>第5回参議院議員選挙>岩手選挙区. go2senkyo.com ザ・選挙 (in Japanese). Voice Japan. Retrieved 2011-05-07.
  8. ^ 参議院>第6回参議院議員選挙>岩手選挙区. go2senkyo.com ザ・選挙 (in Japanese). Voice Japan. Retrieved 2011-05-07.
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