Hokkaido 9th district

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Hokkaidō 9th District
Parliamentary constituency for the Japanese House of Representatives
Numbered map of Hokkaidō Prefecture single-member districts
Prefecture	Hokkaido
Proportional District	Hokkaido
Electorate	381,776 (2021)^[1]
Current constituency
Created	1994
Seats	One
Party	CDP
Representative	Tatsumaru Yamaoka
Created from	Hokkaidō's 4th "medium-sized" district
Municipalities	Kushiro and Nemuro Subprefectures

Hokkaidō 9th district is a constituency of the House of Representatives in the Diet of Japan (national legislature). It consists of Hokkaido's Hidaka and Iburi Subprefectures. As of 2009, 414,438 eligible voters were registered in the district.^[2]

Hokkaidō 9th district, like neighboring 8th and 10th district, was considered a "Democratic kingdom" (minshu-ōkoku), a stronghold of the Democratic Party of Japan (DPJ). From its creation in 1996 until 2012 it had been represented by DPJ co-founder Yukio Hatoyama. In 2012, Hatoyama retired. The LDP had nominated Hokkaidō prefectural assemblyman and former Olympic speed skater Manabu Horii as their candidate in July 2012.^[3]

In the 2000, 2003 and 2005 general elections, the Liberal Democratic Party's candidate was Hirofumi Iwakura, later mayor of Tomakomai, Iburi Subprefecture. In 2000, Iwakura lost the district to Hatoyama by a margin of less than 3,000 votes.

Before the 1994 electoral reform, the area had been part of Hokkaido 4th district where five representatives were elected by single non-transferable vote. Yukio Hatoyama (New Party Sakigake), Tatsuo Takahashi (LDP) and Tomoko Kami (JCP) had already stood as candidates there in 1993.

List of representatives

Representative		Dates	Notes
Yukio Hatoyama	DPJ	1996 – 2012	Prime Minister of Japan (2009–10)
Manabu Horii	LDP	2012 – 2021
Tatsumaru Yamaoka	CDP	2021 –

Election results

2024
Party		Candidate
	Constitutional Democratic	Tatsumaru Yamaoka
	Liberal Democratic	Hideki Matsushita
	Communist	Hiroshi Tatsuno
Turnout

2021^[4]
Party		Candidate	Votes	%	±%
	Constitutional Democratic	Tatsumaru Yamaoka	113,512	51.51	13.5
	Liberal Democratic	Manabu Horii (endorsed by Kōmeitō) (won PR seat)	106,842	48.49	1.8
Majority				3.02
Turnout				58.92	1.04
	Constitutional Democratic gain from Liberal Democratic		Swing	5.8

2017 Japanese general election: Hokkaido 9th^[5]
	Candidate	Votes	%
Liberal Democratic	Manabu Horii (endorsed by Kōmeitō and New Party Daichi)	108,747	46.8%
Kibō no Tō	Tatsumaru Yamaoka (won PR seat)	88,320	38.0%
Communist	Chiharu Matsuhashi	35,543	15.3%

2014 Japanese general election: Hokkaido 9th^[6]
Party		Candidate	Votes	%	±%
	Liberal Democratic	Manabu Horii (endorsed by Kōmeitō)	97,805	45.73	9.46
	Democratic	Tatsumaru Yamaoka	86,252	40.32	12.25
	Communist	Ryōichi Kudō	29,841	13.95	0.62
Majority			10,653	5.41	21.71
Turnout				55.19	2.24
	Liberal Democratic hold		Swing	10.86

2012 Japanese general election: Hokkaido 9th^[7]^[8]
Party		Candidate	Votes	%	±%
	Liberal Democratic	Manabu Horii (endorsed by Kōmeitō)	121,145	55.19	29.13
	Democratic	Tatsumaru Yamaoka (endorsed by PNP)	61,616	28.07	38.29
	Communist	Yasuko Hanai	29,257	13.33	6.70
	Ainu	Naomi Shimazaki	7,495	3.41	N/A
Turnout				57.43	17.24
	Liberal Democratic gain from Democratic		Swing	33.7

2009 Japanese general election: Hokkaido 9th^[9]
Party		Candidate	Votes	%	±%
	Democratic	Yukio Hatoyama (endorsed by PNP)	201,461	66.3	17.0
	Liberal Democratic	Satoshi Kawabata (endorsed by Kōmeitō)	79,116	26.1	16.9
	Communist	Akiko Satō	20,286	6.7	1.0
	Happiness Realization	Eiichi Satomura	2,735	0.9	N/A
Turnout			308,795	74.67	1.41

2005 Japanese general election: Hokkaido 9th^[10]
Party		Candidate	Votes	%	±%
	Democratic	Yukio Hatoyama	150,050	49.3	0.7
	Liberal Democratic	Hirofumi Iwakura (endorsed by Kōmeitō)	131,130	43.0	0.9
	Communist	Akiko Satō	23,400	7.7	0.2
Turnout			308,545	73.26

2003 Japanese general election: Hokkaido 9th^[11]
	Candidate	Votes	%	±%
Democratic	Yukio Hatoyama (endorsed by SDP)	141,442	50.0	4.6
Liberal Democratic	Hirofumi Iwakura (endorsed by Kōmeitō)	118,958	42.1	2.5
Communist	Seiji Tanimoto	22,382	7.9	2.1

2000 Japanese general election: Hokkaido 9th^[12]
	Candidate	Votes	%	±%
Democratic	Yukio Hatoyama	131,500	45.4	7.4
Liberal Democratic	Hirofumi Iwakura (endorsed by Kōmeitō, NCP) (won PR seat)	128,975	44.6	17.1
Communist	Yūichi Tazawa	28,840	10.0	9.7

1996 Japanese general election: Hokkaido 9th^[13]
	Candidate	Votes	%
Democratic	Yukio Hatoyama	131,936	52.8
Liberal Democratic	Tatsuo Takahashi	68,793	27.5
Communist	Tomoko Kami	49,196	19.7

References

^ "北海道9区". go2senkyo. initial.inc. Retrieved 16 November 2021.
^ Ministry of Internal Affairs and Communications (MIC): 平成21年9月2日現在における選挙人名簿及び在外選挙人名簿登録者数 (in Japanese)
^ The Japan Times, July 5, 2012: Hatoyama could face tough re-election bid against Horii
^ 開票速報小選挙区：北海道 - 2021衆議 (in Japanese). NHK. Retrieved 7 November 2021.
^ "go2senkyo.com" (in Japanese). Retrieved 2017-11-03.
^ 小選挙区：北海道 - 開票速報 - 2014総選挙: 朝日新聞デジタル. Asahi Shimbun (in Japanese). Retrieved 2016-01-22.
^ 第46回衆議院議員選挙 - 北海道9区. go2senkyo.com/ ザ･選挙 (in Japanese). Heartbeats. Retrieved 2012-12-22.
^ 第46回総選挙>小選挙区開票速報：北海道. go2senkyo.com/ ザ･選挙 (in Japanese). Asahi Shimbun. Retrieved 2012-12-22.
^ 衆議院>第45回衆議院議員選挙>北海道>北海道9区. www.senkyo.janjan.jp/ ザ･選挙 (in Japanese). JANJAN. Retrieved 2010-01-07.
^ 衆議院>第44回衆議院議員選挙>北海道>北海道9区. www.senkyo.janjan.jp/ ザ･選挙 (in Japanese). JANJAN. Retrieved 2009-12-30.
^ 衆議院 >第43回衆議院議員選挙 >北海道>北海道9区. www.senkyo.janjan.jp/ ザ･選挙 (in Japanese). JANJAN. Retrieved 2009-12-30.
^ 衆議院>第42回衆議院議員選挙>北海道>北海道9区. www.senkyo.janjan.jp/ ザ･選挙 (in Japanese). JANJAN. Retrieved December 30, 2009.
^ 衆議院>第41回衆議院議員選挙 >北海道>北海道9区. www.senkyo.janjan.jp/ ザ･選挙 (in Japanese). JANJAN. Retrieved 2010-01-07.

House of Representatives (Japan)
Preceded by Fukuoka 8th district	Constituency represented by the prime minister 2009–2010	Succeeded by Tokyo 18th district

v t e Hokkaidō's electoral districts for the Diet of Japan
FPTP "small" districts (1996–present) 1 2 3 4 5 6 7 8 9 10 11 12 (13) PR Hokkaidō PR block House of Councillors At-large (13→12 Representatives (PR block: 9→8), 4→6 Councillors)
SNTV "medium-sized" districts (1947–1993) 1 2 3 4 5 (22→23 Representatives, 8→4 Councillors)
Limited voting "large" districts (1946) 1 2 (23 Representatives)
SNTV "medium-sized" districts (1928–1942) 1 2 3 4 5 (20 Representatives)
FPTP/SNTV "small" districts (1920–1924) 1 2 3 4 5 6 7 8 9 10 11 12 (16 Representatives)
SNTV "large" districts era (1902–1917), in Hokkaidō FPTP single-member districts Sapporo city (ku) Hakodate city (ku) Otaru city (ku) subprefectures 1 subprefectures 2 subprefectures 3 (3→6 Representatives)

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 (8 block seats, 12 district seats)	Hokkaidō 1 2 3 4 5 6 7 8 9 10 11 12
Tōhoku (12 block seats, 21 district seats)	Aomori 1 2 3 Iwate 1 2 3 Miyagi 1 2 3 4 5 Akita 1 2 3 Yamagata 1 2 3 Fukushima 1 2 3 4
Kita- (North) Kantō (19 block seats, 33 district seats)	Ibaraki 1 2 3 4 5 6 7 Tochigi 1 2 3 4 5 Gunma 1 2 3 4 5 Saitama 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Minami- (South) Kantō (23 block seats, 36 district seats)	Chiba 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Kanagawa 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Yamanashi 1 2
Tokyo (19 block seats, 30 district seats)	Tokyo 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Hokuriku-Shin'etsu (10 block seats, 18 district seats)	Niigata 1 2 3 4 5 Toyama 1 2 3 Ishikawa 1 2 3 Fukui 1 2 Nagano 1 2 3 4 5
Tōkai (21 block seats, 33 district seats)	Gifu 1 2 3 4 5 Shizuoka 1 2 3 4 5 6 7 8 Aichi 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Mie 1 2 3 4
Kinki (28 block seats, 45 district seats)	Shiga 1 2 3 Kyoto 1 2 3 4 5 6 Osaka 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Hyōgo 1 2 3 4 5 6 7 8 9 10 11 12 Nara 1 2 3 Wakayama 1 2
Chūgoku (10 block seats, 17 district seats)	Tottori 1 2 Shimane 1 2 Okayama 1 2 3 4 Hiroshima 1 2 3 4 5 6 Yamaguchi 1 2 3
Shikoku (6 block seats, 10 district seats)	Tokushima 1 2 Kagawa 1 2 3 Ehime 1 2 3 Kōchi 1 2
Kyūshū (20 block seats, 34 district seats)	Fukuoka 1 2 3 4 5 6 7 8 9 10 11 Saga 1 2 Nagasaki 1 2 3 Kumamoto 1 2 3 4 Ōita 1 2 3 Miyazaki 1 2 3 Kagoshima 1 2 3 4 Okinawa 1 2 3 4
Districts eliminated in the 2002 reapportionments	Hokkaido 13 Yamagata 4 Shizuoka 9 Shimane 3 Oita 4
Districts eliminated in the 2013 reapportionments	Fukui 3 Yamanashi 3 Tokushima 3 Kochi 3 Saga 3
Districts eliminated in the 2017 reapportionments	Aomori 4 Iwate 4 Mie 5 Nara 4 Kumamoto 5 Kagoshima 5
Districts eliminated in the 2022 reapportionments	Miyagi 6 Fukushima 5 Niigata 6 Shiga 4 Wakayama 3 Okayama 5 Hiroshima 7 Yamaguchi 4 Ehime 4 Nagasaki 4

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