Nagano 3rd district

Legislative district of Japan

Nagano 3rd district

Parliamentary constituency
for the Japanese House of Representatives

Numbered map of inner Nagano single-member districts

Prefecture| Nagano
Proportional District| Hokurikushin'etsu
Electorate| 400,529 (2020)[1]
Current constituency
Created| 1994
Seats| One
Party| CDP
Representative| Takeshi Kōzu
Created from| Nagano 2nd district (1947–1993)
Municipalities| Ueda, Komoro, Chikuma, Saku, Tōmi, Minamisaku, Kitasaku, Chiisagata and Hanishina

Nagano 3rd district (長野県第3区, Nagano-ken dai-sanku or 長野3区, Nagano sanku) is a single-member constituency of the House of Representatives, the lower house of the national Diet of Japan. It is located in central and eastern part of Nagano Prefecture and consists of Ueda City, Komoro City, Chikuma City, Saku City, Tōmi City, Minamisaku District, Kitasaku District, Chiisagata District and Hanishina District. As of December 2020, 400,529 eligible voters were registered in the district.[1]

Yosei Ide, a Liberal Democrat, has represented this district since December 2014.

## List of members representing the district

[edit]

Member  | Party  | Dates  | Electoral history  | Notes

|
|
|
|

Tsutomu Hata |  | New Frontier | October 21, 1996 –
December 26, 1996  | Redistricted from the former 2nd district and Re-elected in 1996.
Re-elected in 2000.
Re-elected in 2003.
Re-elected in 2005.
Re-elected in 2009.
Retired.  | Prime Minister of Japan (1994)
| Sun | December 26, 1996 –
January 23, 1998
| Good Governance | January 23, 1998 –
April 27, 1998
| Democratic | April 27, 1998 –
November 16, 2012
Yoshiyuki Terashima |  | Democratic | December 17, 2012 –
November 21, 2014  | Elected in 2012.
Lost re-election.  | Lost re-election in the Hokurikushin'etsu PR block.
Yosei Ide |  | Innovation | December 15, 2014 –
March 27, 2016  | Re-elected in 2014.
Re-elected in 2017.  | Elected in 2012 in the Hokurikushin'etsu PR block.
Elected in 2024 in the Hokurikushin'etsu PR block.
| Democratic | March 27, 2016 –
October 3, 2017
| Kibō no Tō | October 3, 2017 –
May 7, 2018
| Independent  | May 7, 2018 –
December 21, 2019
| LDP | December 21, 2019 –
October 9 2024
Takeshi Kōzu |  | CDP | Octoberber 29, 2024 –
present  |

## Election results

[edit]

2024 • 2021 •2017 • 2014 • 2012 • 2009 • 2005 • 2003 • 2000 • 1996

### 2024

[edit]

2024[2] Party  | Candidate  | Votes  | %  | ±%

|
|
|
|

| CDP | Takeshi Kōzu (PR incumbent) | 121,594  | 55.01  |  8.14
| LDP | Yōsei Ide (incumbent) (elected by PR) | 99,431  | 44.99  |  6.54
Registered electors |  |  |
Turnout | 221,025  | 57.90  |  1.42
| CDP gain from LDP

### 2021

[edit]

2021 Japanese general election[3] Party  | Candidate  | Votes  | %

|
|
|

| LDP | Yōsei Ide | 120,023  | 51.5
| CDP | Takeshi Kōzu (elected by PR) | 109,179  | 46.9
| Anti-NHK | Takao Ike  | 3,722  | 1.6
Registered electors | 399,168  |
Turnout |  | 59.32
| LDP hold

### 2017

[edit]

2017 Japanese general election[4] Party  | Candidate  | Votes  | %

|
|
|

| Kibō no Tō | Yosei Ide | 127,542  | 53.1
| LDP | Hitoshi Kiuchi  | 74,722  | 31.1
| JCP | Yuka Koganezawa  | 34,462  | 14.3
| Happiness Realization | Yukihisa Oikawa  | 3,687  | 1.5
Total votes | 240,413  | 100.0
| Kibō no Tō hold

### 2014

[edit]

2014 Japanese general election[5] Party  | Candidate  | Votes  | %

|
|
|

| Innovation | Yosei Ide | 77,289  | 34.4
| Democratic | Yoshiyuki Terashima  | 63,397  | 28.2
| LDP | Hitoshi Kiuchi (re-elected by PR)  | 56,365  | 25.1
| JCP | Chiaki Karasawa  | 27,947  | 12.4
Total votes | 224,998  | 100.0
| Ishin gain from Democratic

### 2012

[edit]

2012 Japanese general election[6] Party  | Candidate  | Votes  | %

|
|
|

| Democratic | Yoshiyuki Terashima  | 69,843  | 27.7
| Your | Yosei Ide (elected by PR)  | 67,750  | 26.9
| LDP | Hitoshi Kiuchi (elected by PR)  | 62,539  | 24.8
| Restoration | Taisuke Ide  | 29,905  | 11.8
| JCP | Syōsuke Iwaya  | 21,433  | 8.5
Total votes | 251,470  | 100.0

### 2009

[edit]

2009 Japanese general election[7] Party  | Candidate  | Votes  | %

|
|
|

| Democratic | Tsutomu Hata | 138,614  | 47.5
| LDP | Tadao Iwasaki  | 106,574  | 36.5
| JCP | Syōsuke Iwaya  | 40,948  | 14.0
| Happiness Realization | Manabu Ebara  | 5,576  | 1.9
Total votes | 291,712  | 100.0

### 2005

[edit]

2005 Japanese general election[8] Party  | Candidate  | Votes  | %

|
|
|

| Democratic | Tsutomu Hata | 143,728  | 51.1
| LDP | Tadao Iwasaki  | 102,889  | 36.6
| JCP | Syōsuke Iwaya  | 34,669  | 12.3
Total votes | 281,286  | 100.0

### 2003

[edit]

2003 Japanese general election[9] Party  | Candidate  | Votes  | %

|
|
|

| Democratic | Tsutomu Hata | 150,203  | 58.5
| LDP | Tadao Iwasaki (re-elected by PR)  | 78,364  | 30.5
| JCP | Syōsuke Iwaya  | 28,083  | 10.9
Total votes | 256,650  | 100.0

### 2000

[edit]

2000 Japanese general election[10] Party  | Candidate  | Votes  | %

|
|
|

| Democratic | Tsutomu Hata | 163,382  | 61.2
| LDP | Tadao Iwasaki (elected by PR)  | 67,002  | 25.1
| JCP | Ken'ichi Nakazawa  | 34,110  | 12.8
| Independent | Tokio Hosoya  | 2,276  | 0.9
Total votes | 266,770  | 100.0

### 1996

[edit]

1996 Japanese general election[11] Party  | Candidate  | Votes  | %

|
|
|

| New Frontier | Tsutomu Hata | 161,670  | 62.6
| NP-Sakigake | Syōichi Ide  | 70,960  | 27.5
| JCP | Mizue Matsuzawa  | 25,600  | 9.9
Total votes | 258,230  | 100.0
| New Frontier win (new seat)

## References

[edit]

1. ^ a b "市町村別選挙人名簿登録者数（衆議院選挙区別）" [Number of registered voters] (PDF) (in Japanese). Nagano Prefecture Election Commission. 2020.
2. ^ 日本放送協会. "衆議院選挙2024 埼玉(川越・越谷など)開票速報・選挙結果 NHK". www.nhk.or.jp (in Japanese). Retrieved 2025-03-31.
3. ^ 開票速報 小選挙区：長野- 2021衆議 (in Japanese). NHK. Retrieved 6 January 2022.
4. ^ "長野3区". NHK (in Japanese). Retrieved 2020-12-30.
5. ^ 長野3区. NHK (in Japanese). Retrieved 2020-12-30.
6. ^ 長野3区. The Asahi Shimbun (in Japanese). Retrieved 2020-12-30.
7. ^ 長野3区. The Asahi Shimbun (in Japanese). Retrieved 2020-12-30.
8. ^ 長野3区. The Asahi Shimbun (in Japanese). Retrieved 2020-12-30.
9. ^ 長野3区
10. ^ 長野3区 (in Japanese). 選挙ドットコム. Retrieved 2020-12-30.
11. ^ 長野3区 (in Japanese). 選挙ドットコム. Retrieved 2020-12-30.

* v
* t
* e

First-past-the-post (FPTP) districts and proportional representation (PR) "blocks" for the Japanese House of Representatives of the National Diet (1996–present)

Speaker of the House of Representatives of Japan: Fukushiro Nukaga, Ibaraki 2nd
Vice Speaker of the House of Representatives of Japan: Banri Kaieda, Tokyo PR

Hokkaidō|

Block
8 seats
Hokkaidō

Tōhoku|

Block
12 seats
Aomori

Iwate

Miyagi

Akita

Yamagata

Fukushima

Kita- (North) Kantō|

Block
19 seats
Ibaraki

Tochigi

Gunma

Saitama

Minami- (South) Kantō|

Block
23 seats
Chiba

Kanagawa

Yamanashi

Tokyo|

Block
19 seats
Tokyo

Hokuriku-Shin'etsu|

Block
10 seats
Niigata

Toyama

Ishikawa

Fukui

Nagano

Tōkai|

Block
21 seats
Gifu

Shizuoka

Aichi

Mie

Kinki|

Block
28 seats
Shiga

Kyoto

Osaka

Hyōgo

Nara

Wakayama

Chūgoku|

Block
10 seats
Tottori

Shimane

Okayama

Hiroshima

Yamaguchi

Shikoku|

Block
6 seats
Tokushima

Kagawa

Ehime

Kōchi

Kyūshū|

Block
20 seats
Fukuoka

Saga

Nagasaki

Kumamoto

Ōita

Miyazaki

Kagoshima

Okinawa

Former districts|

Abolished in 2002
Hokkaido 13
Yamagata 4
Shizuoka 9
Shimane 3
Oita 4

Abolished in 2013
Fukui 3
Yamanashi 3
Tokushima 3
Kochi 3
Saga 3

Abolished in 2017
Aomori 4
Iwate 4
Mie 5
Nara 4
Kumamoto 5
Kagoshima 5

Abolished in 2022
Miyagi 6
Fukushima 5
Niigata 6
Shiga 4
Wakayama 3
Okayama 5
Hiroshima 7
Yamaguchi 4
Ehime 4
Nagasaki 4
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*[e]: Edit this template