# Chiba 12th district

Chiba 12th district (千葉県第12区, Chiba-ken dai-ju-niku or simply 千葉12区, Chiba-ju-niku) is a single-member constituency of the House of Representatives in the national Diet of Japan located in Chiba Prefecture.

## Areas covered
### Since 2013

* Futtsu
* Kamogawa
* Kimitsu
* Kisarazu
* Minamibōsō
* Sodegaura
* Tateyama
* Awa District

### 1994 - 2013

* Futtsu
* Kamogawa
* Kimitsu
* Kisarazu
* Sodegaura
* Tateyama
* Awa District

## List of representatives

| Election | Representative | Party |
| 1996 | Yasukazu Hamada | LDP |
| 2000 | Shozaburo Nakamura | LDP |
| 2003 | Yasukazu Hamada | LDP |
| 2005 | Yasukazu Hamada | LDP |
| 2009 | Yasukazu Hamada | LDP |
| 2012 | Yasukazu Hamada | LDP |
| 2014 | Yasukazu Hamada | LDP |
| 2017 | Yasukazu Hamada | LDP |
| 2021 | Yasukazu Hamada | LDP |
| 2024 | Yasukazu Hamada | LDP |

## Election Results
### 2024

2024 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Yasukazu Hamada (Incumbent) | 105,510 | 56.50 | 7.51 |
| | CDP | Takeshi Hidaka | 45,098 | 24.15 | 5.33 |
| | Ishin | Naoki Jibiki | 25,882 | 13.86 | New |
| | JCP | Shigeru Kuzuhara | 10,243 | 5.49 | 1.02 |
| Majority | Majority | Majority | 60,412 | 32.35 | |
| Registered electors | Registered electors | Registered electors | 373,552 | | |
| Turnout | Turnout | Turnout | | 51.75 | 0.45 |
| | LDP hold | LDP hold | LDP hold | LDP hold |

### 2021

2021 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Yasukazu Hamada (Incumbent) | 123,210 | 64.01 | 0.66 |
| | CDP | Takeshi Hidaka | 56,747 | 29.48 | New |
| | JCP | Shigeru Kuzuhara | 12,530 | 6.51 | 5.19 |
| Majority | Majority | Majority | 66,463 | 34.53 | |
| Registered electors | Registered electors | Registered electors | 380,864 | | |
| Turnout | Turnout | Turnout | | 52.20 | 1.63 |
| | LDP hold | LDP hold | LDP hold | LDP hold |

### 2017

2017 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Yasukazu Hamada (Incumbent) | 120,075 | 63.35 | 10.94 |
| | Kibō no Tō | Takeshi Hidaka | 36,571 | 19.29 | New |
| | JCP | Wataru Ōnishi | 22,182 | 11.70 | 14.01 |
| | Social Democratic | Shinichiro Minagawa | 10,713 | 5.66 | New |
| Majority | Majority | Majority | 83,504 | 44.06 | |
| Registered electors | Registered electors | Registered electors | 387,875 | | |
| Turnout | Turnout | Turnout | | 50.57 | 0.36 |
| | LDP hold | LDP hold | LDP hold | LDP hold |

### 2014

2014 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Yasukazu Hamada (Incumbent) | 134,037 | 74.29 | 9.11 |
| | JCP | Nobuhisa Yonemoto | 46,397 | 25.71 | 18.13 |
| Majority | Majority | Majority | 87,640 | 48.58 | |
| Registered electors | Registered electors | Registered electors | 383,899 | | |
| Turnout | Turnout | Turnout | | 50.21 | 8.76 |
| | LDP hold | LDP hold | LDP hold | LDP hold |

### 2012

2012 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Yasukazu Hamada (Incumbent) | 139,935 | 65.18 | 12.08 |
| | Tomorrow | Atsushi Chūgo [ja] | 58,491 | 27.24 | New |
| | JCP | Nobuhisa Yonemoto | 16,262 | 7.58 | N/A |
| Majority | Majority | Majority | 81,444 | 37.94 | |
| Registered electors | Registered electors | Registered electors | 385,319 | | |
| Turnout | Turnout | Turnout | | 58.97 | 7.95 |
| | LDP hold | LDP hold | LDP hold | LDP hold |

### 2009

2009 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Yasukazu Hamada (Incumbent) | 134,298 | 53.10 | 4.52 |
| | Democratic | Atsushi Chūgo [ja] (Won PR seat) | 114,921 | 45.44 | 8.32 |
| | Happiness Realization | Jotaro Tanabe | 3,687 | 1.46 | New |
| Majority | Majority | Majority | 19,377 | 7.66 | |
| Registered electors | Registered electors | Registered electors | 385,658 | | |
| Turnout | Turnout | Turnout | | 66.92 | 0.66 |
| | LDP hold | LDP hold | LDP hold | LDP hold |

### 2005

2005 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Yasukazu Hamada (Incumbent) | 143,780 | 57.62 | 3.69 |
| | Democratic | Ai Aoki | 92,611 | 37.12 | 3.68 |
| | JCP | Yasushiro Kamoshida | 13,129 | 5.26 | 0.01 |
| Majority | Majority | Majority | 51,169 | 20.50 | |
| Registered electors | Registered electors | Registered electors | 386,093 | | |
| Turnout | Turnout | Turnout | | 66.26 | 8.38 |
| | LDP hold | LDP hold | LDP hold | LDP hold |

### 2003

2003 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Yasukazu Hamada | 115,708 | 53.93 | 4.70 |
| | Democratic | Ai Aoki (Won PR seat) | 87,522 | 40.80 | 14.03 |
| | JCP | Yasushiro Kamoshida | 11,303 | 5.27 | 3.32 |
| Majority | Majority | Majority | 28,186 | 13.13 | |
| Registered electors | Registered electors | Registered electors | 386,347 | | |
| Turnout | Turnout | Turnout | | 57.88 | 0.89 |
| | LDP hold | LDP hold | LDP hold | LDP hold |

### 2000

2000 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Shozaburo Nakamura | 124,966 | 58.63 | 4.59 |
| | Democratic | Zenzo Handa [ja] | 57,064 | 26.77 | New |
| | JCP | Yasushiro Kamoshida | 18,305 | 8.59 | 5.19 |
| | Liberal League | Hideyasu Murata | 12,804 | 6.01 | New |
| Majority | Majority | Majority | 67,902 | 31.86 | |
| Registered electors | Registered electors | Registered electors | 384,578 | | |
| Turnout | Turnout | Turnout | | 58.77 | |
| | LDP hold | LDP hold | LDP hold | LDP hold |

### 1996

1996 :
| Party | Party | Candidate | Votes | % | ±% |
| | LDP | Yasukazu Hamada | 102,570 | 54.04 | New |
| | Democratic | Megumi Morita | 61,083 | 26.77 | New |
| | JCP | Kinichi Kawakami | 26,149 | 13.78 | New |
| Majority | Majority | Majority | 41,487 | 27.27 | |
| 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) |