Saitama 12th district

Saitama 12th district (埼玉県第12区, Saitama-ken dai-ju-niku or simply 埼玉12区, Saitama-ken ju-niku) is a single-member constituency of the House of Representatives in the national Diet of Japan located in Saitama Prefecture.

Saitama 12th District
Parliamentary constituency for the Japanese House of Representatives
Numbered map of Saitama Prefecture single-member districts
Prefecture	Saitama
Proportional District	Northern Kanto
Electorate	370,686 （October 18, 2021[1]）
Current constituency
Created	1994
Seats	One
Party	CDP
Representative	Toshikazu Morita
Created from	Saitama 3rd "medium-sized" district Saitama 4th "medium-sized" district
Municipalities	Kumagaya city (Formerly Kumagaya City, Formerly Ōsato Town, Formerly Menuma Town), Gyōda City, Hanyū City, Kazo City, Kōnosu City (Formerly Kōnan Town)[2][3]

List of Representatives

Election	Representative	Party		Notes
1996[4]	Toshio Masuda		New Frontier
			Liberal Democratic
2000[5]	Toshio Kojima		Liberal Democratic
2003[6]	Toshio Masuda		Liberal Democratic
2005[7]	Toshio Kojima		Liberal Democratic
2009[8]	Hiranao Honda		Democratic
2012[9]	Atsushi Nonaka		Liberal Democratic
2014[10]
2017[11]
2021[12]	Toshikazu Morita [ja]		CDP

Election results

2021

2021^[12]

Party		Candidate	Votes	%	±%
	CDP	Toshikazu Morita [ja] (PR seat incumbent)	102,627	51.03	New
	Liberal Democratic (endorsed by Komeito)	Atsushi Nonaka (incumbent) (won PR seat)	98,493	48.97
Majority			4,134	2.06
Registered electors			369,482
Turnout				55.52	3.24
	CDP gain from LDP

2017

2017^[11]

Party		Candidate	Votes	%	±%
	Liberal Democratic (endorsed by Komeito)	Atsushi Nonaka (incumbent)	86,499	44.96
	Kibō no Tō	Toshikazu Morita [ja] (won PR seat)	86,007	44.71	New
	Communist	Hidehiro Hayashi	19,878	10.33
Majority			492	0.25
Registered electors			376,359
Turnout				52.28	0.27
	LDP hold

2014

2014^[10]

Party		Candidate	Votes	%	±%
	Liberal Democratic (endorsed by Komeito)	Atsushi Nonaka (incumbent)	72,422	38.58
	Future Generations	Toshikazu Morita [ja]	57,299	30.53	New
	Democratic	Hiranao Honda	41,407	22.06
	Communist	Chikako Suzuki	16,570	8.83
Majority			15,123	8.05
Registered electors			371,546
Turnout				52.01	5.03
	LDP hold

References

1. "総務省｜令和3年10月31日執行 衆議院議員総選挙・最高裁判所裁判官国民審査 速報資料".
2. "衆議院トップページ >立法情報 >制定法律情報 >第183回国会 制定法律の一覧 >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 法律第六十八号（平二五・六・二八）". House of Representatives. July 28, 2013.住居表示などにより変更あり。
3. "埼玉県" (PDF). Ministry of Internal Affairs and Communications.
4. "第41回衆議院議員選挙 - 埼玉12区". Senkyo.com (in Japanese). Retrieved 2023-10-29.
5. "第42回衆議院議員選挙 - 埼玉12区". Senkyo.com (in Japanese). Retrieved 2023-10-29.
6. "第43回衆議院議員選挙 - 埼玉12区". Senkyo.com (in Japanese). Retrieved 2023-10-29.
7. "第44回衆議院議員選挙 - 埼玉12区". the Asahi Shinbun (in Japanese). Retrieved 2023-10-29.
8. "第45回衆議院議員選挙 - 埼玉12区". the Asahi Shinbun (in Japanese). Retrieved 2023-10-29.
9. "開票結果 小選挙区 埼玉". Yomiuri Shimbun (in Japanese). Retrieved 2023-10-29.
10. "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 2023-10-29.
11. "2017衆院選:衆議院選挙:選挙アーカイブス:NHK選挙WEB". Yomiuri Shimbun (in Japanese). Retrieved 2023-10-08.
12. "2021年衆議院総選挙　埼玉4区". NHK (in Japanese). Retrieved 2023-10-08.