| Chūgoku Proportional Representation Block | |
| Type: | Parliamentary |
| Constituency Link: | Chūgoku proportional representation block |
| Parl Name: | Japanese House of Representatives |
| District Label: | Prefecture |
| District: | Tottori, Shimane, Okayama, Hiroshima and Yamaguchi |
| Electorate: | 6,134,338[1] |
| Year: | 1994 |
| Members Label: | Representatives |
| Members: | 11 |
| Seats: | 11 |
| Party Label: | Party |
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.
| general election | LDP | CDP | DPJ | JCP | JRP ('12)/JIP ('14)/ JRP ('17) | PNP | Others | |||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | rowspan="7" colspan="3" | 464,197 | 12.74 | 2 | colspan="3" | 356,108 | 9.77 | 1 | 234,642 | 6.44 | 1 | 883,319 | 24.25 | 3 | colspan="3" | rowspan="7" colspan="3" | rowspan="5" colspan="3" | rowspan="3" colspan="3" | 125,825 | 3.45 | 0 | ||||||||||||
| 2000 | 1,364,938 | 4 | 831,747 | 2 | 587,603 | 2 | 341,851 | 1 | 353,973 | 1 | rowspan="7" colspan="3" | 340,358 | 1 | 15,164 | 0 | |||||||||||||||||||||
| 2003 | 1,388,768 | 5 | 1,254,880 | 4 | 657,311 | 2 | 234,359 | 0 | 176,942 | 0 | rowspan="6" colspan="3" | rowspan="2" colspan="3" | ||||||||||||||||||||||||
| 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 | rowspan="3" colspan="3" | 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 | colspan="3" | 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 | |||||||||||
| D'Hondt allocation order | 1996 | 2000 | 2003 | 2005 | 2009 | 2012 | 2014 | 2017 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Shunji Yuhara | Toshifumi Kojima | Toshifumi Kojima | |||||||||||||
| 2 | bgcolor= | Kei Nakamaru | Toshifumi Kojima | Mio Sugita | ||||||||||||
| 3 | Takashi Takai | Akiko Kamei | ||||||||||||||
| 4 | Michiyoshi Yunoki | |||||||||||||||
| 5 | Hiroshi Sugakawa | Masayoshi Shintani | Tetsuo Saito | |||||||||||||
| 6 | Katsunobu Kato | bgcolor= | Takashi Takai | Michitaka Ikeda | ||||||||||||
| 7 | bgcolor= | Daisuke Sakamoto | Michitaka Ikeda | Keiichi Furuta | ||||||||||||
| 8 | Hiroki Hanasaki | Mitsuhiro Uesugi | Takashi Takai | |||||||||||||
| 9 | Kozo Hirabayashi | bgcolor= | ||||||||||||||
| 10 | bgcolor= | Noboru Miura | Shogo Nemoto | |||||||||||||
| 11 | Toshiaki Komuro | Michitaka Ikeda | Keiichi Furuta | |||||||||||||
| 12 | Tadatoshi Akiba | |||||||||||||||
| 13 | ||||||||||||||||