Tokyo 19th district

Electoral district in Tokyo

Tokyo 19th District

東京都第19区
Parliamentary constituency
for the Japanese House of Representatives
Prefecture| Tokyo
Proportional Block| Tokyo
Electorate| 334,159 (as of 1 September 2022)[1]
Current constituency
Created| 1994
Seats| One
Party| CDP
Representative| Yoshinori Suematsu

Tokyo 19th District (東京都第19区, Tokyo-to dai-jukyu-ku) is an electoral district of the Japanese House of Representatives. The district was created in 1994 as part of the move towards single-member districts, and is currently represented by Constitutional Democratic Party's Yoshinori Suematsu.

## Areas covered

[edit]

### Current district

[edit]

As of 16 January 2023, the areas covered by this district are as follows:[2]

* Kodaira
* Kokubunji
* Kunitachi

As part of the 2022 redistricting, Nishitokyo was moved to the 18th district and Kunitachi was returned from the 21st district.

### Areas 2017–2022

[edit]

From the second redistricting in 2017 until the third redistricting in 2022, the areas covered by this district were as follows:[3][4]

* Kodaira
* Kokubunji
* Nishitokyo

As part of the 2017 redistricting, Kunitachi was moved to the 21st district.

### Areas 2002–2017

[edit]

From the first redistricting in 2002 until the second redistricting in 2017, the areas covered by this district were as follows:[5]

* Kodaira
* Kokubunji
* Kunitachi
* Nishitokyo

in 2001, Hōya and Tanashi merged to create the new city of Nishitokyo.

### Areas from before 2002

[edit]

From the creation of the district in 1994, until the first redistricting in 2002, the areas covered by this district were as follows:[6]

* Kodaira
* Kokubunji
* Kunitachi
* Tanashi
* Hōya

## Elected representatives

[edit]

Representatives  | Party  | Years served  | Notes

|
|
|

Yoshinori Suematsu |  | DP | 1996-2000  |
| DPJ | 2000-2005  | Elected to the Tokyo PR district in the 2005 general election.[7]
Yohei Matsumoto |  | LDP | 2005-2009  | Not re-elected in the 2009 general election.[8]
Yoshinori Suematsu |  | DPJ | 2009-2012  | Not re-elected in the 2012 general election.[9]
Yohei Matsumoto |  | LDP | 2012-2021  | Elected to the Tokyo PR district in the 2021 general election.[10]
Yoshinori Suematsu |  | CDP | 2021-  | Incumbent

## Election results

[edit]

‡ - Also ran in the Tokyo PR district

‡‡ - Also ran and won in the Tokyo PR district

2024 Party  | Candidate  | Votes  | %  | ±%

|
|
|
|

| CDP | Yoshinori Suematsu |  |  |
| LDP | Yohei Matsumoto |  |  |
| Ishin | Kei'ichirō Yoshida  |  |  |
| JCP | Mitsuko Ideshige  |  |  |
Turnout |  |  |
2021[10] Party  | Candidate  | Votes  | %  | ±%

|
|
|
|

| CDP | Yoshinori Suematsu‡ (incumbent - Tokyo PR) | 111,267  | 43.0  | 4.3
| LDP | Yohei Matsumoto‡‡ (incumbent)
(endorsed by Komeito) | 109,131  | 42.2  | 1.1
| Ishin | Hideaki Yamazaki‡ | 38,182  | 14.8  | New
Registered electors | 439,147  |  |
Turnout | 263,488  | 60.0  | 4.2
| CDP gain from LDP | Swing | 2.2  |
2017[11] Party  | Candidate  | Votes  | %  | ±%

|
|
|
|

| LDP | Yohei Matsumoto‡ (incumbent)
(endorsed by Komeito) | 96,229  | 41.1  | 0.1
| CDP | Yoshinori Suematsu‡‡ | 90,540  | 38.7  | New
| Kibō no Tō | Rika Sasaki‡ | 29,743  | 12.7  | New
| JCP | Shigeo Sugishita  | 17,377  | 7.4  | 6.6
Registered electors | 425,966  |  |
Turnout | 237,859  | 55.8  | 1.6
| LDP hold | Swing | 3.4  |
2014[12] Party  | Candidate  | Votes  | %  | ±%

|
|
|
|

| LDP | Yohei Matsumoto‡ | 107,608  | 41.0  | 6.6
| Democratic | Yoshinori Suematsu‡
(endorsed by the JIP) | 87,584  | 33.3  | 5.7
| JCP | Tamishi Koizumi  | 36,878  | 14.0  | 5.6
| Japanese Kokoro | Hiroshi Yamada‡ | 30,658  | 11.7  | New
Registered electors | 470,785  |  |
Turnout | 270,278  | 57.4  | 7.8
| LDP hold | Swing | 3.5  |
2012[9] Party  | Candidate  | Votes  | %  | ±%

|
|
|
|

| LDP | Yohei Matsumoto‡ | 101,362  | 34.4  | 0.3
| Democratic | Yoshinori Suematsu‡ (incumbent)
(endorsed by the PNP) | 81,490  | 27.6  | 27.4
| Restoration | Hiroshi Yamada‡‡
(endorsed by Your Party) | 64,857  | 22.0  | New
| JCP | Mitsuko Ide  | 24,660  | 8.4  | 0.6
| Tomorrow | Koichiro Watanabe‡ (incumbent - Tokyo PR) (endorsed by the NDP) | 22,445  | 7.6  | New
Registered electors | 466,796  |  |
Turnout | 304,444  | 65.2  | 2.9
| LDP gain from Democratic | Swing | 6.3  |
2009[8] Party  | Candidate  | Votes  | %  | ±%

|
|
|
|

| Democratic | Yoshinori Suematsu‡ (incumbent - Tokyo PR) | 170,437  | 55.0  | 10.1
| LDP | Yohei Matsumoto‡ (incumbent) | 105,721  | 34.1  | 12.2
| JCP | Akio Shimizu  | 27,860  | 9.0  | 0.3
| Independent | Saeko Takahashi | 2,912  | 0.9  | New
| Happiness Realization | Shinichiro Ishida  | 2,740  | 0.9  | New
Registered electors | 462,375  |  |
Turnout | 314,924  | 68.1  | 0.2
| Democratic gain from LDP | Swing | 9.3  |
2005[7] Party  | Candidate  | Votes  | %  | ±%

|
|
|
|

| LDP | Yohei Matsumoto‡ | 138,596  | 46.3  | 11.9
| Democratic | Yoshinori Suematsu‡‡ (incumbent) | 133,180  | 44.5  | 8.4
| JCP | Akio Shimizu  | 27,811  | 9.3  | 0.4
Registered electors | 449,209  |  |
Turnout | 304,788  | 67.9  | 8.0
| LDP gain from Democratic | Swing | 9.2  |
2003[13] Party  | Candidate  | Votes  | %  | ±%

|
|
|
|

| Democratic | Yoshinori Suematsu‡ (incumbent) | 136,082  | 52.9  | 7.5
| LDP | Yohei Matsumoto‡ | 88,501  | 34.4  | 6.5
| JCP | Tomoaki Fujioka  | 22,921  | 8.9  | 5.6
| Social Democratic | Shozo Yokota‡ | 9,529  | 3.7  | New
Registered electors | 441,891  |  |
Turnout | 264,658  | 59.9  | 2.9
| Democratic hold | Swing | 3.8  |
2000[14] Party  | Candidate  | Votes  | %  | ±%

|
|
|
|

| Democratic | Yoshinori Suematsu‡ | 118,852  | 45.4  | New
| LDP | Koji Tsukahara‡ | 73,076  | 27.9  | 7.7
| JCP | Toshikiyo Miyauchi  | 38,040  | 14.5  | 0.5
| Liberal | Koichiro Watanabe‡ | 31,772  | 12.1  | New
Registered electors | 426,638  |  |
Turnout | 267,843  | 62.8  | 4.1
| Democratic gain from Democratic | Swing | N/A |
1996[15] Party  | Candidate  | Votes  | %  | ±%

|
|
|
|

| Democratic | Yoshinori Suematsu‡ | 76,599  | 32.5  | New
| New Frontier | Koichiro Watanabe
(incumbent - former Tokyo 7th district) | 54,641  | 23.2  | New
| LDP | Tetsuo Kaneko‡ | 47,675  | 20.2  | New
| JCP | Atsuro Asakura  | 33,075  | 14.0  | New
| Social Democratic | Hiroshi Tsunematsu‡ | 21,557  | 9.2  | New
| Liberal League | Taro Ito‡ | 1,998  | 0.9  | New
Registered electors | 409,680  |  |
Turnout | 240,277  | 58.7  | New
| Democratic win (new seat)

## References

[edit]

1. ^ "令和4年9月1日現在選挙人名簿及び在外選挙人名簿登録者数" [Ministry of Internal Affairs and Communications - Number of registered voters as of 1 September 2022]. Ministry of Internal Affairs and Communications (in Japanese). Retrieved 2023-01-13.
2. ^ "東 京 都" [Tokyo] (PDF). Ministry of Internal Affairs and Communications (in Japanese). 2022. Retrieved 2023-01-15.
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 2023-01-16.
4. ^ "東 京 都" [Tokyo] (PDF). Ministry of Internal Affairs and Communications (in Japanese). 2017. Retrieved 2023-01-16.
5. ^ "公職選挙法の一部を改正する法律". www.shugiin.go.jp. Retrieved 2023-01-16.
6. ^ "法律第百四号（平六・一一・二五）". www.shugiin.go.jp. Retrieved 2023-01-16.
7. ^ a b "東京19区 - 第44回衆議院議員選挙" [Tokyo 19th District - 44th House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.
8. ^ a b "東京19区 - 第45回衆議院議員選挙" [Tokyo 19th District - 45th House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.
9. ^ a b "東京19区 - 第46回衆議院議員選挙" [Tokyo 19th District - 46th House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.
10. ^ a b "東京19区 - 第49回衆議院議員選挙" [Tokyo 19th District - 49th House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.
11. ^ "東京19区 - 第48回衆議院議員選挙" [Tokyo 19th District - 48th House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.
12. ^ "東京19区 - 第47回衆議院議員選挙" [Tokyo 19th District - 47th House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.
13. ^ "東京19区 - 第43回衆議院議員選挙" [Tokyo 19th District - 43rd House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.
14. ^ "東京19区 - 第42回衆議院議員選挙" [Tokyo 19th District -l 42nd House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.
15. ^ "東京19区 - 第41回衆議院議員選挙" [Tokyo 19th District - 41st House of Representatives General Election]. go2senkyo.com (in Japanese). Retrieved 2023-01-16.

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Electoral districts of Tokyo for the National Diet of Japan

House of Representatives|

| FPTP "small" districts (1996–present)|

30 (25→30 majoritarian Representatives)

|

PR regional "block" districts (1996–present)|

Tokyo PR block (19→17→19 proportional Representatives)

SNTV "medium-sized" districts (1947–1993)|

11 (43 Representatives)

Limited voting "large" districts (1946)|

2 (22 Representatives)

SNTV "medium-sized" districts (1928–1942)|

7 (31 Representatives)

FPTP/SNTV "small" districts (1920–1924)|

16 (25 Representatives)

SNTV "large" districts (1902–1917)|

Tokyo city
counties (gunbu) (16 Representatives)

FPTP/bloc voting "small" districts (1890–1898)|

12 (12 Representatives)

House of Councillors (1947–)|

At-large (8→10→12 Councillors)

House of Peers (1890–1947)|

At-large (1→2 elected top taxpayer Peers)

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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|

Block
8 seats
Hokkaidō

Tōhoku|

Block
12 seats
Aomori

Iwate

Miyagi

Akita

Yamagata

Fukushima

Kita- (North) Kantō|

Block
19 seats
Ibaraki

Tochigi

Gunma

Saitama

Minami- (South) Kantō|

Block
23 seats
Chiba

Kanagawa

Yamanashi

Tokyo|

Block
19 seats
Tokyo

Hokuriku-Shin'etsu|

Block
10 seats
Niigata

Toyama

Ishikawa

Fukui

Nagano

Tōkai|

Block
21 seats
Gifu

Shizuoka

Aichi

Mie

Kinki|

Block
28 seats
Shiga

Kyoto

Osaka

Hyōgo

Nara

Wakayama

Chūgoku|

Block
10 seats
Tottori

Shimane

Okayama

Hiroshima

Yamaguchi

Shikoku|

Block
6 seats
Tokushima

Kagawa

Ehime

Kōchi

Kyūshū|

Block
20 seats
Fukuoka

Saga

Nagasaki

Kumamoto

Ōita

Miyazaki

Kagoshima

Okinawa

Eliminated districts|

Eliminiated in 2002
Hokkaido 13
Yamagata 4
Shizuoka 9
Shimane 3
Oita 4

Eliminiated in 2013
Fukui 3
Yamanashi 3
Tokushima 3
Kochi 3
Saga 3

Eliminiated in 2017
Aomori 4
Iwate 4
Mie 5
Nara 4
Kumamoto 5
Kagoshima 5

Eliminiated in 2022
Miyagi 6
Fukushima 5
Niigata 6
Shiga 4
Wakayama 3
Okayama 5
Hiroshima 7
Yamaguchi 4
Ehime 4
Nagasaki 4
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