# Chūgoku proportional representation block

The Chūgoku proportional representation block (比例中国ブロック) is one of eleven proportional representation (PR) "blocks", multi-member constituencies for the House of Representatives in the Diet of Japan. It consists of the prefectures of Tottori, Shimane, Okayama, Hiroshima, and Yamaguchi. Following the introduction of proportional voting, Chūgoku elected 13 representatives by PR in the 1996 general election, and 11 since the election of 2000.

## Summary of results

| general election | LDP | LDP | LDP | CDP | CDP | CDP | DPJ | DPJ | DPJ | Komeito | Komeito | Komeito | JCP | JCP | JCP | SDP | SDP | SDP | NFP | NFP | NFP | LP | LP | LP | Kibō | Kibō | Kibō | JRP ('12)/JIP ('14)/ JRP ('17) | JRP ('12)/JIP ('14)/ JRP ('17) | JRP ('12)/JIP ('14)/ JRP ('17) | PNP | PNP | PNP | Others | Others | Others |
| general election | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats | Votes | % | Seats |
| 1996 | 1,578,140 | 43.32 | 6 | — | — | — | 464,197 | 12.74 | 2 | — | — | — | 356,108 | 9.77 | 1 | 234,642 | 6.44 | 1 | 883,319 | 24.25 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | 125,825 | 3.45 | 0 |
| 2000 | 1,364,938 | | 4 | — | — | — | 831,747 | | 2 | 587,603 | | 2 | 341,851 | | 1 | 353,973 | | 1 | — | — | — | 340,358 | | 1 | — | — | — | — | — | — | — | — | — | 15,164 | | 0 |
| 2003 | 1,388,768 | | 5 | — | — | — | 1,254,880 | | 4 | 657,311 | | 2 | 234,359 | | 0 | 176,942 | | 0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2005 | 1,537,080 | | 5 | — | — | — | 1,196,971 | | 3 | 658,702 | | 2 | 247,073 | | 0 | 215,636 | | 0 | — | — | — | — | — | — | — | — | — | — | — | — | 330,546 | | 1 | — | — | — |
| 2009 | 1,388,451 | | 4 | — | — | — | 1,704,242 | | 6 | 555,552 | | 1 | 244,761 | | 0 | 156,291 | | 0 | — | — | — | — | — | — | — | — | — | — | — | — | 208,208 | | 0 | 32,319 | | 0 |
| 2012 | 1,210,400 | | 5 | — | — | — | 570,764 | | 2 | 493,800 | | 2 | 174,648 | | 0 | 68,653 | | 0 | — | — | — | — | — | — | — | — | — | 622,226 | | 2 | — | — | — | 365,370 | | 0 |
| 2014 | 1,183,903 | | 5 | — | — | — | 529,819 | | 2 | 516,892 | | 2 | 285,224 | | 1 | 65,349 | | 0 | — | — | — | — | — | — | — | — | — | 394,306 | | 1 | — | — | — | 127,031 | | 0 |
| 2017 | 1,249,073 | 39.18 | 5 | 533,050 | 16.72 | 2 | — | — | — | 476,270 | 14.93 | 2 | 199,152 | 6.24 | 0 | 44,240 | 1.38 | 0 | — | — | — | — | — | — | 514,191 | 16.72 | 2 | 151,221 | 4.74 | 0 | — | — | — | 20,701 | 0.64 | 0 |

## List of representatives

| D'Hondt allocation order | 1996 | 2000 | 2003 | 2005 | 2009 | 2012 | 2014 | 2017 |
| 1 | Kazuko Nose [ja] | Kiichi Miyazawa | Hisaoki Kamei | Toshiko Abe | Shunji Yuhara | Toshifumi Kojima | Toshiko Abe | Toshifumi Kojima |
| 2 | Tetsuo Saito | Isao Yamauchi [ja] | Isao Yamauchi [ja] | Takashi Wada [ja] | Toshiko Abe | Kei Nakamaru | Toshifumi Kojima | Mio Sugita |
| 3 | Yoshio Sakurauchi | Yoshiro Hayashi | Katsuyuki Kawai | Katsunobu Kato | Takashi Takai | Toshiko Abe | Michiyoshi Yunoki | Akiko Kamei |
| 4 | Yoshiro Hayashi | Tetsuo Saito | Tetsuo Saito | Tetsuo Saito | Yoshitaka Murata | Michiyoshi Yunoki | Tetsuo Saito | Michiyoshi Yunoki |
| 5 | Daikichi Ishibashi | Kozo Hirabayashi [ja] | Keisuke Tsumura | Mitsuo Mitani | Hiroshi Sugakawa | Tetsuo Saito | Masayoshi Shintani | Tetsuo Saito |
| 6 | Keigo Masuya | Toshimasa Yamada [ja] | Katsunobu Kato | Yoshitake Masuhara | Tetsuo Saito | Masayoshi Yoshino | Takashi Takai | Michitaka Ikeda |
| 7 | Kazuho Tanigawa [ja] | Tetsuo Kaneko [ja] | Koji Sato | Daisuke Matsumoto | Katsuyuki Kawai | Daisuke Sakamoto | Michitaka Ikeda | Keiichi Furuta |
| 8 | Seiji Masamori [ja] | Yoshiko Nakabayashi [ja] | Kazuko Nose [ja] | Seiji Hagiwara | Hiroki Hanasaki | Mitsuhiro Uesugi | Yoshinobu Ohira | Takashi Takai |
| 9 | Kozo Hirabayashi | Kazuho Tanigawa [ja] | Keigo Masuya | Hisaoki Kamei | Hidenao Nakagawa | Keisuke Tsumura | Keisuke Tsumura | Keisuke Tsumura |
| 10 | Mutsuki Kato | Koji Sato | Takashi Wada [ja] | Keigo Masuya | Noboru Miura | Keigo Masuya | Keigo Masuya | Shogo Nemoto |
| 11 | Hinokita Hitoshi [ja] | Keigo Masuya | Shinji Sato | Gaku Hashimoto | Toshiaki Komuro | Michitaka Ikeda | Keiichi Furuta | Keigo Masuya |
| 12 | Tadatoshi Akiba | Seats abolished | Seats abolished | Seats abolished | Seats abolished | Seats abolished | Seats abolished | Seats abolished |
| 13 | Shingo Nakagiri [ja] |