Nagasaki 4th District (長崎県第4区, Nagasaki-ken dai-yon-ku) was a single-member electoral district for the House of Representatives, the lower house of the National Diet of Japan. It was located in western Nagasaki and consisted of the cities of Sasebo, Hirado, Matsuura and Saikai, as well as Kitamatsuura District. As of 2021, 250,004 eligible voters were registered in the district.

Nagasaki Prefecture 4th District
Former Parliamentary constituency
for the Japanese House of Representatives
PrefectureNagsaki
Proportional DistrictKyushu
Electorate250,004 (2021)[1]
Former constituency
Created1994
Abolished2022

List of representatives

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Representatives Party Dates Notes
Genjirō Kaneko LDP 1996–1998 Resigned mid-term to run as Governor of Nagasaki.
Daisuke Miyajima LDP 1998–2000 Lost re-election.
Seigo Kitamura Independent 2000–2003 Re-elected in 2003.
LDP 2003–2009 Re-elected in 2005, 2009 in the Kyushu PR block.
Daisuke Miyajima DPJ 2009–2012 Lost re-election.
Seigo Kitamura LDP 2012–2023 Re-elected in 2014, 2017, 2021. Died in office.
Vacant (May – October 2023)
Yōzō Kaneko LDP 2023–2024 Constituency abolished - moved to the 3rd district

Area covered

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The district was redrawn twice between its creation in 1994 and its abolition, once in 2013 and once again in 2017. The district was abolished during redistricting in 2022, and the areas it covered as of 2022 were transferred to the 3rd district.[2]

Areas 2017–2022

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After the 2017 revisions, the areas covered by the district are as follows:[3]

Due to the redrawing of the district borders, Ojika, Nagasaki was moved to the 3rd district, while Saikai was gained from the 2nd district.

Areas 2013–2017

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From the redistricting in 2013 until the redistricting in 2017, the areas covered by the district are as follows:[4]

Areas from before 2013

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From its formation in 1994, until its first redistricting in 2013, the areas covered by this district were as follows:[5]

Election results

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2023 by-election[1]
Party Candidate Votes % ±%
LDP Yōzō Kaneko
(endorsed by Komeito)
53,915 53.5  11.4
CDP Seiichi Suetsugu
(endorsed by Social Democratic Party)
46,899 46.5  4.7
Turnout 100,814 42.2  12.9
LDP hold
2021[1]
Party Candidate Votes % ±%
LDP Seigo Kitamura (incumbent)
(endorsed by Komeito)
55,968 42.1  8.7
CDP Seiichi Suetsugu 55,577 41.8 New
Independent Katsu Hagiwara 16,860 12.7 New
Independent Ryuji Tanaka 4,765 3.5 New
Turnout 137,702 55.1  2.3
LDP hold
2017[6]
Party Candidate Votes % ±%
LDP Seigo Kitamura (incumbent)
(endorsed by Komeito)
73,899 50.8  0.4
Kibō no Tō Daisuke Miyajima
(endorsed by the Democratic Party's Nagasaki Prefectural Branch Federation)
61,137 42.0 New
JCP Satoru Ishikawa 10,459 7.2  2.0
Turnout 150,036 57.4
LDP hold
2014[7]
Party Candidate Votes % ±%
LDP Seigo Kitamura (incumbent)
(endorsed by Komeito)
61,533 50.4  0.9
Democratic Daisuke Miyajima 42,690 35.0  1.2
People's Life Seiichi Suetsugu 9,303 7.6 New
JCP Satoru Ishikawa 6,319 5.2 New
Independent Takuya Mori 2,268 1.9 New
Turnout
LDP hold
2012[8]
Party Candidate Votes % ±%
LDP Seigo Kitamura (incumbent)
(endorsed by Komeito)
81,771 51.3  3.3
Democratic Daisuke Miyajima (incumbent)
Endorsed by the PNP)
53,918 33.8  16.5
Tomorrow Seiichi Suetsugu
(endorsed by New Party Daichi)
16,860 12.7 New
Independent Ryuji Tanaka 4,765 3.5 New
Turnout
LDP gain from Democratic
2009[9]
Party Candidate Votes % ±%
Democratic Daisuke Miyajima 97,912 50.3  15.3
LDP Seigo Kitamura (incumbent) 93,428 48.0  2.7
Happiness Realization Kouichi Yamada 3,354 1.7 New
Turnout
Democratic gain from LDP
2005[10]
Party Candidate Votes % ±%
LDP Seigo Kitamura (incumbent) 97,174 50.7  10.9
Democratic Daisuke Miyajima 67,088 35.0 New
Social Democratic Masami Imagawa 27,240 14.2  18.5
Turnout
LDP hold
2003[11]
Party Candidate Votes % ±%
LDP Seigo Kitamura (incumbent) 100,767 61.6  28.1
Social Democratic Masami Imagawa (incumbent - Kyushu) 53,557 32.7  11.4
JCP Takenori Nakao 9,284 5.7  0.5
Turnout
LDP gain from Independent Swing  19.1
2000[12]
Party Candidate Votes % ±%
Independent Seigo Kitamura 66,515 35.6 New
LDP Daisuke Miyajima (incumbent) 62,595 33.5  10.1
Social Democratic Masami Imagawa 39,808 21.3  2.2
JCP Chiaki Yamashita 9,757 5.2  2.0
Liberal League Isseu Akagi 8,312 4.5 New
Turnout
Independent gain from LDP Swing N/A
1998 by-election[13]
Party Candidate Votes % ±%
LDP Daisuke Miyajima 86,181 43.6  7.2
Liberal Kuro Matsuda 67,614 34.2 New
Social Democratic Shoji Yoshimura 37,697 19.1 New
JCP Hideki Shimizu 6,282 3.2  0.4
Turnout
LDP hold Swing N/A
1996[14]
Party Candidate Votes % ±%
LDP Genjiro Kaneko (incumbent) 95,117 50.4 New
New Frontier Kuro Matsuda 56,403 29.9 New
Democratic Izumi Yamazaki (incumbent) 29,424 15.6 New
JCP Takenori Nakao 7,092 3.8 New
Liberal League Keiji Fujinami 825 0.4 New
Turnout
LDP win (new seat)

References

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  1. ^ a b c "長崎4区 - 第49回衆議院議員選挙". Retrieved 2023-01-03.
  2. ^ "区割り変更地図 表面 長崎県" [District boundary changes map - Nagasaki prefecture] (PDF). Ministry of Internal Affairs and Communications (in Japanese). Retrieved 2023-01-07.
  3. ^ "衆議院議員選挙区画定審議会設置法及び公職選挙法の一部を改正する法律の一部を改正する法律". www.shugiin.go.jp. Retrieved 2023-01-07.
  4. ^ "衆議院小選挙区選出議員の選挙区間における人口較差を緊急に是正するための公職選挙法及び衆議院議員選挙区画定審議会設置法の一部を改正する法律の一部を改正する法律". www.shugiin.go.jp. Retrieved 2023-01-07.
  5. ^ "法律第百四号(平六・一一・二五)". www.shugiin.go.jp. Retrieved 2023-01-07.
  6. ^ "長崎4区 - 第48回衆議院議員選挙" [Nagasaki 4th District - 48th House of Representatives]. go2senkyo.com (in Japanese). Retrieved 2023-01-03.
  7. ^ "長崎4区 - 第47回衆議院議員選挙" [Nagasaki 4th District - 47th House of Representatives]. go2senkyo.com (in Japanese). Retrieved 2023-01-03.
  8. ^ "長崎4区 - 第46回衆議院議員選挙" [Nagasaki 4th District - 46th House of Representatives]. go2senkyo.com. Retrieved 2023-01-03.
  9. ^ "長崎4区 - 第45回衆議院議員選挙" [Nagasaki 4th District - 45th House of Representatives]. go2senkyo.com (in Japanese). Retrieved 2023-01-03.
  10. ^ "長崎4区 - 第44回衆議院議員選挙" [Nagasaki 4th District - 44th House of Representatives]. go2senkyo.com (in Japanese). Retrieved 2023-01-03.
  11. ^ "長崎4区 - 第43回衆議院議員選挙" [Nagasaki 4th District - 43rd House of Representatives]. go2senkyo.com. Retrieved 2023-01-03.
  12. ^ "長崎4区 - 第42回衆議院議員選挙" [Nagasaki 4th District - 42nd House of Representatives]. go2senkyo.com (in Japanese). Retrieved 2023-01-03.
  13. ^ "長崎4区 - 第41回衆議院議員補欠選挙" [Nagasaki 4th District - 41st House of Representatives by-election]. Retrieved 2023-01-03.
  14. ^ "長崎4区 - 第41回衆議院議員選挙" [Nagasaki 4th District - 41st House of Representatives]. go2senkyo.com (in Japanese). Retrieved 2023-01-03.
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