# Chiba 5th district

Chiba 5th District (千葉県第5区, Chiba-ken dai-go-ku) is an electoral district in the Japanese House of Representatives. The district was established in 1994 after the introduction of single-member constituencies in that year. Since its creation it has been redistricted twice: once in 2002 and again in 2022.
Arfiya Eri, a Liberal Democratic Party politician of Uyghur won a by-election on 17 April 2023.

## Areas covered
### Areas covered 2002–2022

* Ichikawa
** Part of the central government office district
*** Ichikawa 1 – Ichikawa 3, Ichikawaminami, Mama 1-3, Shinden, Hirata, Yawata, Minami-yawata, Sugano, Higashi-Kanno, Higashihama 1, Tajiri, Takaya, Takaya Shinmachi, Baraki, Futamta, Futamata Shinmachi, Kamimyouden
* Urayasu

### Areas covered before 2002

From its establishment in 1994 until its first redistricting in 2002, the areas covered by the district were as follows:
* Ichikawa (just the districts of Gyotoku and the Ichikawa Government district)
* Urayasu

## List of representatives

| Election | Representative | Party | Notes |
| 1996 | Kou Tanaka [ja] | Democratic | Elected mayor of Ichikawa City in 2022 |
| 2000 | Kou Tanaka [ja] | Democratic | Elected mayor of Ichikawa City in 2022 |
| 2003 | Hirotami Murakoshi [ja] | Democratic | |
| 2005 | Kentaro Sonoura | Liberal Democratic | |
| 2009 | Hirotami Murakoshi [ja] | Democratic | Mayor of Ichikawa City in 2018 – 2022 |
| 2012 | Kentaro Sonoura | Liberal Democratic | Resigned on 21 December 2022 |
| 2014 | Kentaro Sonoura | Liberal Democratic | Resigned on 21 December 2022 |
| 2017 | Kentaro Sonoura | Liberal Democratic | Resigned on 21 December 2022 |
| 2021 | Kentaro Sonoura | Liberal Democratic | Resigned on 21 December 2022 |
| Vacant (December 2022–April 2023) |||||
| 2023 by-el | Arfiya Eri | Liberal Democratic | |
| 2024 | Kentarō Yazaki | CDP | |

## Election results

‡ - Also ran in the South Kanto PR block election
2024 :
| Party | Party | Candidate | Votes | % | ±% |
| | CDP | Kentarō Yazaki$^‡$ | 66,031 | 30.60 | 3.01 |
| | LDP | Arfiya Eri$^‡$ (elected in PR block) | 59,636 | 27.63 | 2.85 |
| | DPP | Junko Okano$^‡$ (elected in PR block) | 51,033 | 23.65 | 8.63 |
| | Ishin | Tomoyasu Kishino$^‡$ | 17,615 | 8.16 | 5.72 |
| | JCP | Masato Sakurai | 11,015 | 5.10 | 2.37 |
| | Sanseitō | Jun'ichi Myaji | 10,490 | 4.86 | New |
| Registered electors | Registered electors | Registered electors | 414,963 | | |
| Turnout | Turnout | Turnout | | 53.21 | 14.96 |
| | CDP gain from LDP | CDP gain from LDP | CDP gain from LDP | CDP gain from LDP | CDP gain from LDP |
2023 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Arfiya Eri | 50,578 | 30.58 | 16.39 |
| | CDP | Kentarō Yazaki | 45,635.399 | 27.59 | 1.72 |
| | DPP | Junko Okano | 24,842 | 15.02 | 4.83 |
| | Ishin | Tomoyasu Kishino | 22,952 | 13.88 | 0.36 |
| | JCP | Kazuko Saitō | 12,360 | 7.47 | 6.78 |
| | Independent | Kentaro Hoshi | 6,561.599 | 3.97 | New |
| | Seijika Joshi | Mitsue Oda | 2,463 | 1.49 | New |
| Registered electors | Registered electors | Registered electors | 451,273 | | |
| Turnout | Turnout | Turnout | | 38.25 | 15.82 |
| | LDP hold | LDP hold | LDP hold | LDP hold |
2021 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Kentaro Sonoura$^‡$ | 111,985.611 | 46.97 | 4.05 |
| | CDP | Kentaro Yazaki$^‡$ | 69,887.387 | 29.31 | New |
| | Ishin | Tamotsu Shīki$^‡$ | 32,241 | 13.52 | New |
| | DPP | Atsushi Tokita$^‡$ | 24,307 | 10.19 | New |
| Registered electors | Registered electors | Registered electors | 450,365 | | |
| Turnout | Turnout | Turnout | | 54.07 | 4.96 |
| | LDP hold | LDP hold | LDP hold | LDP hold |
2017 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Kentaro Sonoura$^‡$ | 107,299 | 51.02 | 2.78 |
| | CDP | Atsushi Yamada$^‡$ | 62,894 | 29.91 | New |
| | Kibō no Tō | Junko Okano$^‡$ | 40,115 | 19.07 | New |
| Registered electors | Registered electors | Registered electors | 438,691 | | |
| Turnout | Turnout | Turnout | | 49.11 | 0.09 |
| | LDP hold | LDP hold | LDP hold | LDP hold |
2014 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Kentaro Sonoura$^‡$ | 105,941 | 53.80 | 18.49 |
| | Democratic | Hirotami Murakoshi$^‡$ | 57,500 | 29.20 | 7.09 |
| | JCP | Fumiko Asano$^‡$ | 28,055 | 14.25 | 8.82 |
| | Independent Politician | Kazuo Ishida | 5,411 | 2.75 | New |
| Registered electors | Registered electors | Registered electors | 415,510 | | |
| Turnout | Turnout | Turnout | | 49.20 | 8.66 |
| | LDP hold | LDP hold | LDP hold | LDP hold |