Chiba 9th district

Chiba 9th district
Parliamentary constituency
for the Japanese House of Representatives
Numbered map of the Chiba Prefecture single seats
PrefectureChiba
Proportional DistrictSouthern Kanto
Electorate402,640[1]
Current constituency
Created1994
SeatsOne
PartyCDP
RepresentativesSoichiro Okuno [ja]
MunicipalitiesWakaba-ku of Chiba city, Sakura, Yachimata, and Yotsukaidō.

Chiba 9th district (千葉県第9区, Chiba-ken dai-kyuku or simply 千葉9区, Chiba-kyuku) is a single-member constituency of the House of Representatives in the national Diet of Japan located in Chiba Prefecture.

Areas covered

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Since 2002

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[2][3]

1994 - 2002

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[4]

List of representatives

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Election Representative Party Notes
1996[5] Yukio Jitsukawa New Frontier
LDP
2000[6] Kenichi Mizuno LDP
2003[7]
2005[8]
2009[9] Soichiro Okuno [ja] Democratic
2012[10] Masatoshi Akimoto LDP
2014[11]
2017[12]
2021[13] Soichiro Okuno [ja] CDP
2024[14]

Election Results

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

2024

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2024[14]
Party Candidate Votes % ±%
CDP Soichiro Okuno [ja]
(Incumbent) 		86,335 43.89 Decrease 7.20
LDP Hisato Tamiya 65,963 33.53 Decrease 15.38
Ishin Takashi Tanuma [ja] 33,034 16.79 New
JCP Haruyuki Yamazaki 11,385 5.79 N/A
Majority 20,372 10.36
Registered electors 401,047
Turnout 50.64 Decrease 2.37
CDP hold

2021

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2021[13]
Party Candidate Votes % ±%
CDP Soichiro Okuno [ja] 107,322 51.09 New
LDP Masatoshi Akimoto
(Incumbent)
(Won PR seat) 		102,741 48.91 Increase 2.12
Majority 4,581 2.18
Registered electors 407,331
Turnout 53.01 Increase 3.53
CDP gain from LDP

2017

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2017[12]
Party Candidate Votes % ±%
LDP Masatoshi Akimoto
(Incumbent) 		92,180 46.79 Increase 3.85
Kibō no Tō Soichiro Okuno [ja]
(Won PR seat) 		76,332 38.75 New
JCP Yasushiro Kamoshida 28,488 14.46 Increase 4.13
Majority 15,848 8.04
Registered electors 410,963
Turnout 49.48 Decrease 1.49
LDP hold

2014

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2014[11]
Party Candidate Votes % ±%
LDP Masatoshi Akimoto
(Incumbent) 		85,092 42.94 Increase 7.44
Democratic Soichiro Okuno [ja]
(Won PR seat) 		68,564 34.60 Increase 6.46
Future Generations Yuzuru Nishida [ja] 24,039 12.13 New
JCP Yasushiro Kamoshida 20,475 10.33 Increase 4.74
Majority 16,528 8.34
Registered electors 402,951
Turnout 50.97 Decrease 6.90
LDP hold

2012

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2012[10]
Party Candidate Votes % ±%
LDP Masatoshi Akimoto 80,024 35.50 Decrease 5.03
Democratic Soichiro Okuno [ja]
(Incumbent)
(Won PR seat) 		63,422 28.14 Decrease 26.41
Restoration Yuzuru Nishida [ja]
(Won PR seat) 		45,781 20.31 New
Tomorrow Mitsue Kawakami [ja] 16,616 7.37 New
JCP Toshiyuki Kizaki 12,601 5.59 N/A
Independent Hiroshi Sudo [ja] 6,955 3.09 New
Majority 16,602 7.36
Registered electors 402,578
Turnout 57.87 Decrease 6.46
LDP gain from Democratic

2009

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2009[9]
Party Candidate Votes % ±%
Democratic Soichiro Okuno [ja] 136,932 54.55 Increase 22.41
LDP Kenichi Mizuno
(Incumbent) 		101,734 40.53 Decrease 16.40
Independent Tatsuo Hatano 7,651 3.05 New
Happiness Realization Junko Ito 4,707 1.87 New
Majority 35,198 14.02
Registered electors 399,436
Turnout 64.33 Decrease 0.11
Democratic gain from LDP

2005

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2005[8]
Party Candidate Votes % ±%
LDP Kenichi Mizuno
(Incumbent) 		140,838 56.93 Increase 7.59
Democratic Hiroshi Sudo [ja] 79,514 32.14 Decrease 10.44
JCP Tadahira Ogura 16,307 6.59 Decrease 1.49
People's New Hideo Nakahara 10,746 4.34 New
Majority 61,324 24.79
Registered electors 392,712
Turnout 64.22 Increase 8.84
LDP hold

2003

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2003[7]
Party Candidate Votes % ±%
LDP Kenichi Mizuno
(Incumbent) 		103,199 49.34 Increase 6.40
Democratic Hiroshi Sudo [ja]
(Won PR seat) 		89,057 42.58 Increase 0.64
JCP Yoshikatsu Ueda 16,892 8.08 Decrease 5.08
Majority 14,142 6.76
Registered electors 390,110
Turnout 55.38 Decrease 3.61
LDP hold

2000

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2000[6]
Party Candidate Votes % ±%
LDP Kenichi Mizuno 103,381 42.94 Increase 8.44
Democratic Hiroshi Sudo [ja] 71,184 29.57 New
JCP Kazuo Seki 31,671 13.16 Decrease 0.03
Liberal Shin Ubukata 29,777 12.37 New
Liberal League Kiyoshi Furuhashi 4,733 1.96 New
Majority 32,197 13.37
Registered electors 428,734
Turnout 58.99
LDP hold

1996

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1996[5]
Party Candidate Votes % ±%
New Frontier Yukio Jitsukawa 79,539 36.26 New
LDP Kenichi Mizuno 75,667 34.50 New
Democratic Yasutami Ota 35,211 16.05 New
JCP Kazuo Seki 28,937 13.19 New
Majority 3,872 1.76
Registered electors
Turnout
New Frontier win (new seat)

References

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  1. ^ Ministry of Internal Affairs and Communications (MIC): [1] (in Japanese)
  2. ^ "衆議院トップページ >立法情報 >制定法律情報 >第154回国会　制定法律の一覧 >公職選挙法の一部を改正する法律 法律第九十五号（平一四・七・三一）". House of Representatives of Japan. July 31, 2002. Retrieved January 15, 2025.
  3. ^ "Chiba" (PDF). Minister for Internal Affairs and Communications. Retrieved January 15, 2025.
  4. ^ "衆議院トップページ >立法情報 >制定法律情報 >第131回国会　制定法律の一覧 >法律第百四号（平六・一一・二五）". House of Representatives of Japan. November 25, 1994. Retrieved January 15, 2025.
  5. ^ a b "第41回衆議院議員総選挙 - 千葉9区". Senkyo.com (in Japanese). Retrieved January 15, 2025.
  6. ^ a b "第42回衆議院議員総選挙 - 千葉9区". Senkyo.com (in Japanese). Retrieved January 15, 2025.
  7. ^ a b "第43回衆議院議員総選挙 - 千葉9区". Senkyo.com (in Japanese). Retrieved January 15, 2025.
  8. ^ a b "第44回衆議院議員総選挙 - 千葉9区". The Asahi Shinbun (in Japanese). Retrieved January 15, 2025.
  9. ^ a b "第45回衆議院議員総選挙 - 千葉9区". The Asahi Shinbun (in Japanese). Retrieved January 15, 2025.
  10. ^ a b "開票結果 小選挙区 千葉". The Asahi Shimbun (in Japanese). Retrieved January 15, 2025.
  11. ^ a b "2014衆院選:衆議院選挙:選挙アーカイブス:NHK選挙WEB". NHK (in Japanese). Retrieved January 15, 2025.
  12. ^ a b "2017衆院選:衆議院議員総選挙:選挙アーカイブス:NHK選挙WEB". NHK (in Japanese). Retrieved January 15, 2025.
  13. ^ a b "2021年衆議院議員総選挙 千葉". NHK (in Japanese). Retrieved January 15, 2025.
  14. ^ a b "2024年衆議院議員総選挙 千葉". NHK (in Japanese). Retrieved January 15, 2025.
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