# Yamanashi at-large district

The Yamanashi at-large district (Japanese: 山梨県選挙区, Hepburn: Yamanashi-ken senkyoku) is a constituency that represents Yamanashi Prefecture in the House of Councillors in the Diet of Japan. It has two Councillors in the 242-member house.

## Outline

The constituency represents the entire population of Yamanashi Prefecture. The district elects two Councillors to six-year terms, one at alternating elections held every three years. The district has 692,001 registered voters as of September 2015. The Councillors currently representing Yamanashi are:
* Azuma Koshiishi (Democratic Party, third term; term ends in 2016.)

## Elected councillors

| Class of 1947 | election year | Class of 1950 (3-year term in 1947) |
| Tsunekichi Komiyama (Ind.) | 1947 | Shigeko Hirano (Socialist) |
| Tsunekichi Komiyama (Ind.) | 1950 | Taichi Hirabayashi (Ind.) |
| Hisatada Hirose [ja] (Ind.) | 1953 | Taichi Hirabayashi (Ind.) |
| Hisatada Hirose [ja] (Ind.) | 1956 | Katsuyasu Yoshie [ja] (LDP) |
| Toshio Yasuda (Socialist) | 1959 | Katsuyasu Yoshie [ja] (LDP) |
| Toshio Yasuda (Socialist) | 1962 | Katsuyasu Yoshie [ja] (LDP) |
| Hisatada Hirose (LDP) | 1965 | Katsuyasu Yoshie [ja] (LDP) |
| Hisatada Hirose (LDP) | 1968 | Katsuyasu Yoshie [ja] (LDP) |
| Hisatada Hirose (LDP) | 1970 by-election | Jūji Hoshino (LDP) |
| Kiyoshi Kanzawa [ja] (Socialist) | 1971 | Jūji Hoshino (LDP) |
| Kiyoshi Kanzawa [ja] (Socialist) | 1974 | Taro Nakamura [ja] (LDP) |
| Keiyu Furuya (LDP) | 1977 | Taro Nakamura [ja] (LDP) |
| Keiyu Furuya (LDP) | 1980 | Taro Nakamura [ja] (LDP) |
| Tetsuro Shimura [ja] (LDP) | 1983 | Taro Nakamura [ja] (LDP) |
| Tetsuro Shimura [ja] (LDP) | 1986 | Taro Nakamura [ja] (LDP) |
| Osamu Isomura [ja] (Rengō no Kai) | 1989 | Taro Nakamura [ja] (LDP) |
| Osamu Isomura [ja] (Rengō no Kai) | 1992 | Tetsuro Shimura (LDP) |
| Mahito Nakajima [ja] (LDP) | 1995 | Tetsuro Shimura (LDP) |
| Mahito Nakajima [ja] (LDP) | 1998 | Azuma Koshiishi (Independent) |
| Mahito Nakajima [ja] (LDP) | 2001 | Azuma Koshiishi (Independent) |
| Mahito Nakajima [ja] (LDP) | 2004 | Azuma Koshiishi (DPJ) |
| Harunobu Yonenaga (DPJ) | 2007 | Azuma Koshiishi (DPJ) |
| Harunobu Yonenaga (DPJ) | 2010 | Azuma Koshiishi (DPJ) |
| Hiroshi Moriya (LDP) | 2013 | Azuma Koshiishi (DPJ) |
| Hiroshi Moriya (LDP) | 2016 | Yuka Miyazawa [ja] (DP) |
| Hiroshi Moriya (LDP) | 2019 | Yuka Miyazawa [ja] (DP) |
| Hiroshi Moriya (LDP) | 2022 | Manabu Nagai [ja] (LDP) |
* ↑ Later joined the Ryokufūkai
* ↑ Later became an independent.
* ↑ Later joined the Liberal Democratic Party
* ↑ Died in office 17 September 1970
* ↑ Held 1 November 1970

## Election results

2013 :
| Party | Party | Candidate | Votes | % |
| | Liberal Democratic | Hiroshi Moriya (endorsed by Komeito) | 142,529 | 37.3 |
| | Independent | Takehiro Sakaguchi [ja] (endorsed by Democratic and Social Democratic parties) | 75,686 | 19.8 |
| | Independent | Shigeki Aoki | 61,834 | 16.2 |
| | Your | Harunobu Yonenaga (incumbent) | 58,750 | 15.4 |
| | Communist | Akiko Endo | 36,082 | 9.4 |
| | Independent | Shozo Hayashi | 3,969 | 1.0 |
| | Happiness Realization | Jotaro Tanabe | 3,220 | 0.8 |
| Turnout | Turnout | Turnout | | |
2010 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Azuma Koshiishi (Incumbent) (endorsed by People's New Party) | 187,010 | 43.0 |
| | Liberal Democratic | Noriko Miyagawa (Endorsed by Sunrise Party) | 183,265 | 42.2 |
| | Communist | Hitoshi Hanada | 32,274 | 7.4 |
| | Independent | Naoyuki Nemoto | 19,390 | 4.5 |
| | Independent | Takashi Kigawa | 12,721 | 2.9 |
| Turnout | Turnout | Turnout | | |
2007 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Harunobu Yonenaga (endorsed by People's New Party) | 242,586 | 55.3 |
| | Liberal Democratic | Kaname Irikura (endorsed by Komeito) | 162,746 | 37.1 |
| | Communist | Hitoshi Hanada | 32,994 | 7.5 |
| Turnout | Turnout | Turnout | | |
2004 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Azuma Koshiishi (Incumbent) | 231,631 | 55.1 |
| | Independent | Kenshi Oshiba (Endorsed by the Liberal Democratic Party) | 155,949 | 37.1 |
| | Communist | Hitoshi Hanada | 32,845 | 7.8 |
| Turnout | Turnout | Turnout | | |