Niigata 3rd District(新潟県第3区, Niigata-ken dai-san-ku) is an electoral district of the Japanese House of Representatives, the lower house of the National Diet. The district was created as part of the move from multi-member districts to single-member districts in the House of Representatives.

Areas covered

Current district

As of 2 February 2023, the areas covered by this district are as follows:

As part of the 2022 redistricting, Kita ward is now fully under the jurisdiction of the 3rd district, and Akiha Ward was gained from the 4th district.

Areas 2013–2022

From the first redistricting in 2013, until the second redistricting in 2022, the areas covered by this district were as follows:

  • Niigata (city) Kita Ward (former city of Toyosaka) Centra Government Office (excluding Hosoyama, Kosugi, Junimae and Yokogoshi) Sumireno 4 within North Branch Office jurisdiction
  • Shibata
  • Murakami
  • Gosen
  • Agano
  • Tainai
  • Kitakanbara District
  • Higashikanbara District
  • Iwafune District

As part of the 2013 redistricting, the 3rd district gained sections of Kita Ward from the 1st district.

Areas from before 2013

From the creation of the district in 1994, until the first redistricting in 2013, the areas covered bny this district were as follows:

Elected representatives

RepresentativesPartyYears servedNotes
Yamato InabaLDP1996 – 2009
Takahiro KuroiwaDPJ2009–2012
Hiroaki SaitoLDP2012 – 2014
Takahiro KuroiwaDPJ2014 – 2017
Indep.2017–2021
Hiroaki SaitoLDP2021 – 2024
Takahiro KuroiwaCDP2024 – 2026
Hiroaki SaitoLDP2026 –

Election results

‡ - Also ran in the Hokuriku Shinetsu PR election

‡‡ - Also ran and won in the Hokuriku Shinetsu PR election

Elections in the 2020s

2026
PartyCandidateVotes%±%
LDPHiroaki Saitō115,99154.610.1
Centrist ReformTakahiro Kuroiwa76,45236.013.3
SanseitōKeiko Sakuma19,8789.4
Registered electors364,214
Turnout212,32159.150.33
LDP gain from Centrist Reform
2024
PartyCandidateVotes%±%
CDPTakahiro Kuroiwa105,27549.32.9
LDPHiroaki Saitō ‡‡94,98444.59.1
IshinYūichirō Yoshimura ‡13,3706.3
Registered electors370,462
Turnout58.826.22
CDP gain from LDP
2021
PartyCandidateVotes%±%
LDPHiroaki Saito‡ (incumbent - Hokuriku Shinetsu PR)102,56453.64.5
CDPTakahiro Kuroiwa‡ (incumbent) (endorsed by the JCP)88,74446.4New
Registered electors298,289
Majority13,8207.27.1
Turnout194,00765.01.7
LDP gain from IndependentSwing

Elections in the 2010s

2017
PartyCandidateVotes%±%
IndependentTakahiro Kuroiwa (incumbent) (endorsed by the JCP, SDP and the Liberal Party)95,64449.2New
LDPHiroaki Saito‡ (incumbent - Hokuriku Shinetsu PR) (endorsed by Komeito)95,59449.14.9
IndependentYoichi Mimura3,3751.7New
Registered electors312,835
Majority500.14.8
Turnout198,05663.38.3
Independent gain from DemocraticSwing
2014
PartyCandidateVotes%±%
DemocraticTakahiro Kuroiwa82,61949.17.7
LDPHiroaki Saito‡‡ (incumbent) (endorsed by Komeito)74,31944.22.8
JCPMakoto Ito11,2146.70.5
Registered electors314,215
Majority8,3004.93.9
Turnout171,40454.65.0
Democratic gain from LDPSwing
2012
PartyCandidateVotes%±%
LDPHiroaki Saito‡ (endorsed by Komeito)92,28050.217.4
DemocraticTakahiro Kuroiwa‡ (incumbent) (endorsed by the PNP)76,13541.424.6
JCPShinichi Tanaka11,4656.2New
IndependentYoichi Mimura4,0752.2New
Registered electors318,635
Majority16,1458.824.4
Turnout189,97059.614.5
LDP gain from DemocraticSwing

Elections in the 2000s

2009
PartyCandidateVotes%±%
DemocraticTakahiro Kuroiwa‡154,98566.0New
LDPYamato Inaba‡ (incumbent)77,05832.817.3
Happiness RealizationTomikawa Masamitsu2,6681.1New
Registered electors323,892
Majority77,92733.2New
Turnout239,87474.14.2
Democratic gain from LDPSwing
2005
PartyCandidateVotes%±%
LDPYamato Inaba‡ (incumbent)111,69550.15.8
Social DemocraticMasuji Miyazaki‡73,11432.83.4
People's NewYasushi Suzuki‡23,84510.7New
JCPShinichi Tanaka14,1326.31.6
Registered electors328,478
Majority38,58117.32.4
Turnout229,47569.98.1
LDP holdSwing
2003
PartyCandidateVotes%±%
LDPYamato Inaba‡ (incumbent)108,62755.94.7
Social DemocraticHachiro Kuramochi‡70,25636.220.5
JCPShinichi Tanaka15,3997.91.0
Registered electors328,821
Majority38,37119.75.2
Turnout203,08061.86.8
LDP holdSwing
2000
PartyCandidateVotes%±%
LDPYamato Inaba‡ (incumbent)111,81951.215.2
LiberalSaburo Shirasawa‡57,40926.3New
Social DemocraticHachiro Kuramochi‡34,32015.7New
JCPKeizo Inagaki15,0456.90.1
Registered electorsUnknown
Majority54,41024.918.8
TurnoutUnknown68.62.4
LDP holdSwing

Elections in the 1990s

1996
PartyCandidateVotes%±%
LDPYamato Inaba‡ (incumbent - former Niigata 2nd District)79,63536.0New
IndependentUichiro Iwamura66,06729.9New
New Progressive Party (Japan)Saburo Shirasawa (incumbent - former Niigata 2nd District)60,22327.3New
JCPShoichi Tasaki15,1106.8New
Registered electors322,841
Majority13,5686.1New
Turnout229,05671.0New
LDP win (new seat)