Kanagawa 20th district

Kanagawa 20th District
Single-member district constituency for the National Diet
Map of single-member constituencies in Kanagawa Prefecture
Electorate	345,518 (as of June 1, 2023)^[1]
Current constituency
Created	2022
Seats	One
Party	LDP
Representatives	Yui Kanazawa

Kanagawa 20th district is a single-member constituency of the House of Representatives, the lower house of the National Diet of Japan. The district was created as part of the 2022 reapportionments that added two districts to Kanagawa Prefecture because of relative increases in population in the prefecture.^[2] Sayuri Otsuka became the first representative as a result of the 2024 general election; defeating Akira Amari, former LDP Secretary-General.

Area

Minami ward of Sagamihara city
Zama city

Minami ward had previously been split between the 14th and 16th districts and Zama had been a part of the 13th district.

Elected representatives


Representative	Party		Years served	Notes
Sayuri Otsuka [ja]		CDP	2024 – 2026
Yui Kanazawa		LDP	2026 –

Election results

2026
Party		Candidate	Votes	%	±%
	LDP	Yui Kanazawa	91,240	49.5	14.0
	Centrist Reform	Sayuri Otsuka	66,964	36.3	10.5
	Ishin	Yōichi Kaneko [ja]	26,061	14.1	3.6
Registered electors			344,851
Turnout				55.20	1.75
	LDP gain from Centrist Reform

2024^[3]
Party		Candidate	Votes	%
	CDP	Sayuri Otsuka	83,282	46.8
	LDP	Akira Amari	63,217	35.5
	Ishin	Yōichi Kaneko	31,550	17.7
Registered electors			345,059
Turnout				53.45

References

^ "選挙人名簿登録者数" [Number of registered voters]. Kanagawa Prefecture Election Commission (in Japanese). 2023.
^ "Parliament OKs bill to redraw Lower House electoral map to curtail vote-value disparities". The Japan Times. 2022-11-18. Retrieved 2023-06-14.
^ "2024年衆議院総選挙神奈川20区". NHK (in Japanese). Retrieved 2024-12-01.

Kanagawa'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 14 15 16 17 18 19 20 PR part of the Southern Kantō PR block House of Councillors At-large (17→20 Representatives, 6→8 Councillors)
SNTV "medium-sized" districts (1947–1993) 1 2 3 4 5 (13→22 Representatives, 4→6 Councillors)
Limited voting "large" districts (1946) At-large (12 Representatives)
SNTV "medium-sized" districts (1928–1942) 1 2 3 (11 Representatives)
FPTP/SNTV "small" districts (1920–1924) 1 2 3 4 5 6 7 (10 Representatives)
SNTV "large" districts (1902–1917) Yokohama city counties (gunbu) (8 Representatives)
FPTP/bloc voting "small" districts (1890–1898) 1 2 3 4 5 6 (7 Representatives)

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: Eisuke Mori, Chiba 11th Vice Speaker of the House of Representatives of Japan: Keiichi Ishii, Northern Kanto PR
Hokkaidō	Block 8 seats Hokkaidō 1 2 3 4 5 6 7 8 9 10 11 12
Tōhoku	Block 12 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	Block 19 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	Block 23 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	Block 19 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	Block 10 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	Block 21 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	Block 28 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	Block 10 seats Tottori 1 2 Shimane 1 2 Okayama 1 2 3 4 Hiroshima 1 2 3 4 5 6 Yamaguchi 1 2 3
Shikoku	Block 6 seats Tokushima 1 2 Kagawa 1 2 3 Ehime 1 2 3 Kōchi 1 2
Kyūshū	Block 20 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
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