# Chiba 10th district

Chiba 10th district (千葉県第10区, Chiba-ken dai-jukku or simply 千葉10区, Chiba-jukku) is a single-member constituency of the House of Representatives in the national Diet of Japan located in Chiba Prefecture.

## Areas covered
### Since 2022

* Asahi
* Chōshi
* Katori
* Narita
* Sōsa
* Katori District

### 2013 - 2022

* Asahi
* Chōshi
* Katori
* Narita
* Sōsa
* Katori District
* Part of Sanbu District
** Part of Yokoshibahikari (Former Hikari area)

### 1994 - 2013

* Asahi
* Chōshi
* Sawara
* Narita
* Yōkaichiba
* Kaijō District
* Sōsa District

## List of representatives

| Election | Representative | Party |
| 1996 | Motoo Hayashi | LDP |
| 2000 | Motoo Hayashi | LDP |
| 2003 | Motoo Hayashi | LDP |
| 2005 | Motoo Hayashi | LDP |
| 2009 | Hajime Yatagawa [ja] | Democratic |
| 2012 | Motoo Hayashi | LDP |
| 2014 | Motoo Hayashi | LDP |
| 2017 | Motoo Hayashi | LDP |
| 2021 | Motoo Hayashi | LDP |
| 2024 | Masaaki Koike | LDP |

## Election Results
### 2024

2024 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Masaaki Koike | 69,563 | 43.79 | 3.50 |
| | CDP | Hajime Yatagawa [ja] (Won PR seat) | 67,920 | 42.76 | 2.92 |
| | Sanseitō | Ryota Shiina | 11,494 | 7.24 | New |
| | JCP | Yukiko Naka | 8,018 | 5.05 | N/A |
| | Independent | Naoto Imadome | 1,852 | 1.16 | 0.07 |
| Majority | Majority | Majority | 1,643 | 1.03 | |
| Registered electors | Registered electors | Registered electors | 321,502 | | |
| Turnout | Turnout | Turnout | | 50.78 | 2.50 |
| | LDP hold | LDP hold | LDP hold | LDP hold |

### 2021

2021 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Motoo Hayashi (Incumbent) | 83,822 | 47.29 | 5.83 |
| | CDP | Hajime Yatagawa [ja] (Won PR seat) | 80,971 | 45.68 | New |
| | New Party Kunimori | Mari Azusa | 10,272 | 5.80 | New |
| | Independent | Naoto Imadome | 2,173 | 1.23 | New |
| Majority | Majority | Majority | 2,851 | 1.61 | |
| Registered electors | Registered electors | Registered electors | 341,141 | | |
| Turnout | Turnout | Turnout | | 53.28 | 5.29 |
| | LDP hold | LDP hold | LDP hold | LDP hold |

### 2017

2017 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Motoo Hayashi (Incumbent) | 88,398 | 53.12 | 1.93 |
| | Kibō no Tō | Hajime Yatagawa [ja] | 65,256 | 39.21 | New |
| | JCP | Masami Kasahara | 12,758 | 7.67 | 0.23 |
| Majority | Majority | Majority | 23,142 | 13.91 | |
| Registered electors | Registered electors | Registered electors | 356,116 | | |
| Turnout | Turnout | Turnout | | 47.99 | 3.68 |
| | LDP hold | LDP hold | LDP hold | LDP hold |

### 2014

2014 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Motoo Hayashi (Incumbent) | 97,783 | 55.05 | 2.05 |
| | Democratic | Hajime Yatagawa [ja] | 65,809 | 37.05 | 4.55 |
| | JCP | Masami Kasahara | 14,049 | 7.90 | 1.56 |
| Majority | Majority | Majority | 31,974 | 18.00 | |
| Registered electors | Registered electors | Registered electors | 356,470 | | |
| Turnout | Turnout | Turnout | | 51.67 | 4.26 |
| | LDP hold | LDP hold | LDP hold | LDP hold |

### 2012

2012 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Motoo Hayashi | 110,139 | 57.10 | 10.15 |
| | Democratic | Hajime Yatagawa [ja] (Incumbent) | 62,690 | 32.50 | 19.17 |
| | JCP | Masami Kasahara | 12,230 | 6.34 | N/A |
| | Atarimae Party | Keiko Arita | 7,831 | 4.06 | New |
| Majority | Majority | Majority | 47,449 | 24.60 | |
| Registered electors | Registered electors | Registered electors | 360,459 | | |
| Turnout | Turnout | Turnout | | 55.93 | 8.09 |
| | LDP gain from Democratic | LDP gain from Democratic | LDP gain from Democratic | LDP gain from Democratic | LDP gain from Democratic |

### 2009

2009 :
| Party | Party | Candidate | Votes | % | ±% |
| | Democratic | Hajime Yatagawa [ja] | 118,564 | 51.67 | 12.52 |
| | LDP | Motoo Hayashi (Incumbent) (Won PR seat) | 107,745 | 46.95 | 9.32 |
| | Happiness Realization | Takao Kanai | 3,158 | 1.38 | New |
| Majority | Majority | Majority | 10,819 | 4.72 | |
| Registered electors | Registered electors | Registered electors | 365,443 | | |
| Turnout | Turnout | Turnout | | 64.02 | 0.70 |
| | Democratic gain from LDP | Democratic gain from LDP | Democratic gain from LDP | Democratic gain from LDP | Democratic gain from LDP |

### 2005

2005 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Motoo Hayashi (Incumbent) | 128,174 | 56.27 | 12.70 |
| | Democratic | Hajime Yatagawa [ja] | 89,183 | 39.15 | 24.53 |
| | JCP | Kōki Sakamoto | 10,414 | 4.58 | 1.09 |
| Majority | Majority | Majority | 38,991 | 17.12 | |
| Registered electors | Registered electors | Registered electors | 367,402 | | |
| Turnout | Turnout | Turnout | | 63.32 | 2.49 |
| | LDP hold | LDP hold | LDP hold | LDP hold |

### 2003

2003 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Motoo Hayashi (Incumbent) | 94,946 | 43.57 | 20.32 |
| | Independent | Hajime Yatagawa [ja] | 81,950 | 37.61 | New |
| | Democratic | Ken Nakazawa | 31,864 | 14.62 | 4.63 |
| | JCP | Kōki Sakamoto | 7,595 | 3.49 | 9.33 |
| | Independent | Hiroshi Kase | 1,539 | 0.71 | New |
| Majority | Majority | Majority | 12,996 | 5.96 | |
| Registered electors | Registered electors | Registered electors | 367,073 | | |
| Turnout | Turnout | Turnout | | 60.83 | 3.84 |
| | LDP hold | LDP hold | LDP hold | LDP hold |

### 2000

2000 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Motoo Hayashi (Incumbent) | 126,837 | 63.89 | 0.02 |
| | Democratic | Hiroshi Kuroyanagi | 38,207 | 19.25 | New |
| | JCP | Noriko Takada | 25,446 | 12.82 | 3.17 |
| | Independent | Akio Hayashi | 8,038 | 4.04 | New |
| Majority | Majority | Majority | 88,630 | 44.64 | |
| Registered electors | Registered electors | Registered electors | 364,381 | | |
| Turnout | Turnout | Turnout | | 56.99 | |
| | LDP hold | LDP hold | LDP hold | LDP hold |

### 1996

1996 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Motoo Hayashi | 114,010 | 63.87 | New |
| | New Frontier | Hiroshi Sudo [ja] | 44,408 | 24.88 | New |
| | JCP | Susumu Ichikawa | 17,234 | 9.65 | New |
| | Liberal League | Yasuyuki Kawamura | 2,854 | 1.60 | New |
| Majority | Majority | Majority | 69,602 | 38.99 | |
| Registered electors | Registered electors | Registered electors | | | |
| Turnout | Turnout | Turnout | | | |
| | LDP win (new seat) | LDP win (new seat) | LDP win (new seat) | LDP win (new seat) |