Tokyo 23rd district

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Tokyo 23rd District
東京都第23区
Parliamentary constituency
for the Japanese House of Representatives
PrefectureTokyo
Proportional DistrictTokyo
Electorate262,390 (as of 1 September 2022)[1]
Current constituency
Created1994
SeatsOne
PartyCDP
RepresentativeShunsuke Ito

Tokyo 23rd Ward (東京都第23区, Tokyo dai-ni-jusan-ku) is an electoral district in the Japanese House of Representatives. The district was established in 1994 at the introduction of the single member constituency system.

Areas covered

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Current district

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As of 12 January 2023, the areas that are covered by this district are as follows:[2]

As part of the 2022 reapportionments, the remaining sections of Tama were given to the new 30th district. As a result of this the 23rd district became the only district in Western Tokyo to be composed of a single municipality.

Areas 2017–2022

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Between the first redistricting in 2017 and the second redistricting in 2022, the areas covered by this district were as follows:[3][4]

  • Machida
  • Parts of Tama
    • Sekido 5 (excluding 1-8 & 13-31), Sekido 6, Kaitori, Gouda, Wada, Mogusa, Ochikawa, Higashiterakata, Sakuragaoka 1-4, Hijirigaoka 1 (1-24, 35, Excluding 44), Umabikizawa 1-2, Sannoshita, Nakazawa, Karakida, Suwa 1-6, Nagayama 1-7, Kaitori 1-5, Toyogaoka 1-6, Ochiai 1-6 Chome, Tsurumaki 1-6, Minamino 1-3, Higashi Terakata 3, Wada 3, Atago 1-4

As part of the 2017 redistricting, part of Tama was transferred to the 21st district.

Areas from before 2017

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From the districts creation in 1994 and its first redistricting in 2017, the areas covered by this district were as follows:

Elected representatives

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Representative Party Years served Notes
Kosuke Ito LDP 1996 – 2009 Lost re-election in the 2009 general election. He initially intended to run again as an independent in 2012, after the Liberal Democratic nomination was given to Masanobu Ogura. However, he withdrew his candidacy to support the candidacy of his son, Shunsuke Ito, who was running for the Japan Restoration Party.[5]
Mari Kushibuchi DPJ 2009 – 2012 Lost re-election in the 2012 general election. She was later chosen to replace Tarō Yamamoto in the Tokyo PR district after he resigned, since she had been the next highest Reiwa Shinsengumi member in the 2021 general election.[6][7] She currently serves in the seat as a co-representative with Akiko Oishi at the recommendation of Yamamoto.[8]
Masanobu Ogura LDP 2012 – 2024
Shunsuke Ito CDP 2024 –

Election results

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‡ - Also ran in the Tokyo PR district

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

2024[9]
Party Candidate Votes % ±%
CDP Shunsuke Ito (PR incumbent) 111,851 59.03 Increase 10.28
LDP Osamu Yoshiwara (incumbent) 71,154 37.55 Decrease 11.20
Mintsuku AI Mayor 6,475 3.42
Registered electors 361,197
Turnout 189,480 55.71 Decrease 2.66
2021[10]
Party Candidate Votes % ±%
LDP Masanobu Ogura (incumbent)
(endorsed by Komeito)
133,206 51.3 Increase6.3
CDP Shunsuke Ito‡‡ (incumbent - Tokyo PR)
(endorsed by Reiwa Shinsengumi and the SDP Tokyo branch)
126,732 48.8 New
Registered electors 458,998
Turnout 268,055 58.4 Increase2.6
LDP hold Swing Increase5.1
2017[11]
Party Candidate Votes % ±%
LDP Masanobu Ogura (incumbent)
(endorsed by Komeito)
110,522 45.0 Increase3.8
Kibō no Tō Shunsuke Ito 76,450 31.1 New
JCP Ryosuke Matsumura 58,929 24.0 Increase10.2
Registered electors 455,437
Turnout 254,088 55.8 Decrease0.2
LDP hold Swing Increase7.4
2014[12]
Party Candidate Votes % ±%
LDP Masanobu Ogura (incumbent)
(endorsed by Komeito)
104,709 41.2 Increase11.0
Democratic Mari Kushibuchi
(endorsed by Greens Japan)
63,706 25.0 Increase2.9
Restoration Shunsuke Ito 50,836 20.0 Decrease0.5
JCP Ryosuke Matsumura 35,166 13.8 Increase6.5
Registered electors 466,399
Turnout 261,370 56.0 Decrease8.3
LDP hold Swing Increase8.0
2012[13]
Party Candidate Votes % ±%
LDP Masanobu Ogura
(endorsed by Komeito)
87,192 30.2 Decrease4.9
Democratic Mari Kushibuchi
(endorsed by the PNP)
63,969 22.1 Decrease32.3
Restoration Shunsuke Ito 59,166 20.5 New
Your Tetsuya Shirakawa 39,676 13.7 New
JCP Ryosuke Matsumara 21,006 7.3 Decrease1.7
Tomorrow Takashi Ishii 18,125 6.3 New
Registered electors 463, 214
Turnout 297,800 64.3 Decrease4.5
LDP gain from Democratic Swing Decrease12.3
2009[14]
Party Candidate Votes % ±%
Democratic Mari Kushibuchi 168,346 54.4 Increase18.3
LDP Kosuke Ito (incumbent)
(endorsed by Komeito)
108,528 35.1 Decrease19.6
JCP Yoshiyasu Furuhashi 27,699 9.0 Decrease0.2
Happiness Realization Youhei Matsuo 4,885 1.6 New
Registered electors 461,006
Turnout 317,080 68.8 Increase0.8
Democratic gain from LDP Swing Increase12.3
2005[15]
Party Candidate Votes % ±%
LDP Kosuke Ito (incumbent) 162,351 54.7 Increase6.2
Democratic Eiko Ishige (incumbent - Tokyo PR) 107,136 36.1 Decrease6.2
JCP Tomohide Murotani 27,232 9.2 0.0
Registered electors 445,766
Turnout 302,898 68.0 Increase6.9
LDP hold Swing Increase7.6
2003[16]
Party Candidate Votes % ±%
LDP Kosuke Ito (incumbent) 126,221 48.5 Increase8.9
Democratic Eiko Ishige‡‡ (incumbent - Tokyo PR) 110,266 42.3 Increase7.9
JCP Junichiro Imamura 23,943 9.2 Decrease5.1
Registered electors 437,355
Turnout 267,268 61.1 Decrease1.8
LDP hold Swing Increase5.1
2000[17]
Party Candidate Votes % ±%
LDP Kosuke Ito (incumbent) 100,271 39.6 Increase1.2
Democratic Eiko Ishige‡‡ (incumbent - Tokyo PR) 87,232 34.4 Increase14.0
JCP Yoko Sato 36,113 14.3 Decrease4.1
Liberal Akihisa Nagao 20,986 8.3 New
Independent Mitsuyoshi Tsukahara 6,172 2.4 New
Liberal League Yutaka Yamaguchi 2,570 1.0 Decrease0.7
Registered electors 413,515
Turnout 266,518 62.9 Increase5.0
LDP hold Swing
1996[18]
Party Candidate Votes % ±%
LDP Kosuke Ito
(incumbent - former Tokyo 11th district)
85,035 38.4 New
New Frontier Maki Kitasato 46,821 21.1 New
Democratic Junjiro Sase 45,182 20.4 New
JCP Hajime Kurosawa 40,870 18.4 New
Liberal League Yoshio Minemura 3,686 1.7 New
Registered electors 393,558
Turnout 227,791 57.9 N/A
LDP win (new seat)

References

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