Chūgoku proportional representation block

Chūgoku Proportional Representation Block
Parliamentary constituency
for the Japanese House of Representatives
Map of House of Representatives proportional blocks, with the Chūgoku block highlighted
PrefectureTottori, Shimane, Okayama, Hiroshima and Yamaguchi
Electorate5,902,785 (2024)
Current constituency
Created1994
Representatives10

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, reduced to 11 in the election of 2000, and again to 10 in 2024.

Results timeline

Vote share

Party 1996 2000 2003 2005 2009 2012 2014 2017 2021 2024
LDP 42.81 35.59 37.41 36.72 32.37 34.53 38.16 39.18 43.36 35.89
NFP 23.96
DPJ[a] 12.59 21.68 33.80 28.59 39.73 16.28 17.08
JCP 9.66 8.91 6.31 5.90 5.71 4.98 9.19 6.25 5.55 5.07
SDP 6.37 9.23 4.77 5.15 3.64 1.96 2.11 1.39 1.69 1.82
NPS 1.19
Komeito 15.32 17.71 15.74 12.95 14.08 16.66 14.94 13.98 12.04
LP 8.87
PNP 7.90 4.85
Ishin[b] 17.75 12.71 4.74 9.18 6.37
Your 5.98
TPJ 4.03
CDP 16.72 18.38 19.45
KnT 16.13
DPFP 3.65 10.45
Reiwa 3.03 5.90
Sanseitō 3.00
Others 3.41[c] 0.40[d] 0.75[e] 0.41[f] 4.09[g] 0.65[h] 1.18[i]
Turnout 64.97 61.74 68.90 70.94 58.35 51.96 52.58 52.69 51.19

Seat distribution

Election Distribution Seats
1996                           13
2000                       11
2003                       11
2005                       11
2009                       11
2012                       11
2014                       11
2017                       11
2021                       11
2024                     10

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
13 Shingo Nakagiri [ja]

Election results

2024

2024 results in the Chugoku PR block
Party Votes Swing % Seats +/–
Liberal Democratic Party (LDP) 1,056,320 35.89 Decrease7.47 5 Decrease1
Constitutional Democratic Party of Japan (CDP) 572,598 19.45 Increase1.08 3 Increase1
Komeito 354,291 12.04 Decrease1.95 1 Decrease1
Democratic Party For the People (DPFP) 307,681 10.45 Increase6.80 1 Increase1
Japan Innovation Party (Ishin) 187,517 6.37 Decrease2.81 0 Decrease1
Reiwa Shinsengumi (Reiwa) 173,622 5.90 Increase2.87 0 Steady0
Japanese Communist Party (JCP) 149,218 5.07 Decrease0.48 0 Steady0
Sanseitō 88,358 3.00 New 0 New
Social Democratic Party (SDP) 53,620 1.82 Increase0.13 0 Steady0
Total 2,943,225 100.00 10 Decrease1
Invalid votes 78,661 2.60
Turnout 3,021,886 51.19 Decrease1.49
Registered voters 5,902,785

2021

2021 results in the Chugoku PR block
Party Votes Swing % Seats +/–
Liberal Democratic Party (LDP) 1,352,723 43.36 Increase4.18 6 Increase1
Constitutional Democratic Party of Japan (CDP) 573,324 18.38 Increase1.66 2 Steady0
Komeito 436,220 13.98 Decrease0.98 2 Steady0
Japan Innovation Party (Ishin) 286,302 9.18 Increase4.43 1 Increase1
Japanese Communist Party (JCP) 173,117 5.55 Decrease0.70 0 Steady0
Democratic Party For the People (DPFP) 113,899 3.65 New 0 New
Reiwa Shinsengumi (Reiwa) 94,446 3.03 New 0 New
Social Democratic Party (SDP) 52,638 1.69 Increase0.30 0 Steady0
NHK Party 36,758 1.18 New 0 New
Total 3,119,427 100.00 11
Invalid votes 72,840 2.28
Turnout 3,192,267 52.69 Increase0.11
Registered voters 6,058,900

2017

2017 results in the Chugoku PR block
Party Votes Swing % Seats +/–
Liberal Democratic Party (LDP) 1,249,073 39.18 Increase1.02 5 Steady0
Constitutional Democratic Party of Japan (CDP) 533,050 16.72 New 2 New
Kibō no Tō 514,191 16.13 New 2 New
Komeito 476,270 14.94 Decrease1.72 2 Steady0
Japanese Communist Party (JCP) 199,152 6.25 Decrease2.95 0 Decrease1
Japan Innovation Party (Ishin) 151,221 4.74 New 0 New
Social Democratic Party (SDP) 44,240 1.39 Decrease0.72 0 Steady0
Happiness Realization Party (HRP) 20,701 0.65 Increase0.07 0 Steady0
Total 3,187,898 100.00 11
Invalid votes 66,055 2.03
Turnout 3,253,953 52.58 Increase0.61
Registered voters 6,189,041

2014

2014 results in the Chugoku PR block
Party Votes Swing % Seats +/–
Liberal Democratic Party (LDP) 1,183,903 38.16 Increase3.63 5 Steady0
Democratic Party of Japan (DPJ) 529,819 17.08 Increase0.80 2 Steady0
Komeito 516,892 16.66 Increase2.58 2 Steady0
Japan Innovation Party (JIP) 394,306 12.71 Decrease5.04 1 Decrease1
Japanese Communist Party (JCP) 285,224 9.19 Increase4.21 1 Increase1
Party for Future Generations 109,016 3.51 New 0 New
Social Democratic Party (SDP) 65,349 2.11 Increase0.15 0 Steady0
Happiness Realization Party (HRP) 18,015 0.58 Increase0.17 0 Steady0
Total 3,102,524 100.00 11
Invalid votes 75,864 2.39
Turnout 3,178,388 51.96 Decrease6.38
Registered voters 6,116,465

2012

2012 results in the Chugoku PR block
Party Votes Swing % Seats +/–
Liberal Democratic Party (LDP) 1,210,400 34.53 Increase2.16 5 Increase1
Japan Restoration Party (JRP) 622,226 17.75 New 2 New
Democratic Party of Japan (DPJ) 570,764 16.28 Decrease23.45 2 Decrease4
Komeito 493,800 14.08 Increase1.13 2 Increase1
Your Party 209,627 5.98 New 0 New
Japanese Communist Party (JCP) 174,648 4.98 Decrease0.72 0 Steady0
Tomorrow Party of Japan (TPJ) 141,360 4.03 New 0 New
Social Democratic Party (SDP) 68,653 1.96 Decrease1.69 0 Steady0
Happiness Realization Party (HRP) 14,383 0.41 Decrease0.34 0 Steady0
Total 3,505,861 100.00 11
Invalid votes 82,531 2.30
Turnout 3,588,392 58.35 Decrease12.59
Registered voters 6,150,109

2009

2009 results in the Chugoku PR block
Party Votes Swing % Seats +/–
Democratic Party of Japan (DPJ) 1,704,242 39.73 Increase11.13 6 Increase3
Liberal Democratic Party (LDP) 1,388,451 32.37 Decrease3.45 4 Decrease1
Komeito 555,552 12.95 Decrease2.79 1 Decrease1
Japanese Communist Party (JCP) 244,761 5.71 Decrease0.20 0 Steady0
People's New Party (PNP) 208,208 4.85 Decrease3.04 0 Decrease1
Social Democratic Party (SDP) 156,291 3.64 Decrease1.51 0 Steady0
Happiness Realization Party (HRP) 32,319 0.75 New 0 New
Total 4,289,824 100.00 11
Invalid votes 106,928 2.43
Turnout 4,396,752 70.94 Increase2.04
Registered voters 6,197,763

2005

2005 results in the Chugoku PR block
Party Votes Swing % Seats +/–
Liberal Democratic Party (LDP) 1,537,080 36.72 Decrease0.69 5 Steady0
Democratic Party of Japan (DPJ) 1,196,971 28.59 Decrease5.21 3 Decrease1
Komeito 658,702 15.74 Decrease1.97 2 Steady0
People's New Party (PNP) 330,546 7.90 New 1 New
Japanese Communist Party (JCP) 247,073 5.90 Decrease0.41 0 Steady0
Social Democratic Party (SDP) 215,636 5.15 Increase0.38 0 Steady0
Total 4,186,008 100.00 11
Invalid votes 105,032 2.45
Turnout 4,291,040 68.90 Increase7.15
Registered voters 6,228,051

2003

2003 results in the Chugoku PR block
Party Votes Swing % Seats +/–
Liberal Democratic Party (LDP) 1,388,768 37.41 Increase1.82 5 Increase1
Democratic Party of Japan (DPJ) 1,254,880 33.80 Increase12.12 4 Increase2
Komeito 657,311 17.71 Increase2.39 2 Steady0
Japanese Communist Party (JCP) 234,359 6.31 Decrease2.60 0 Decrease1
Social Democratic Party (SDP) 176,942 4.77 Decrease4.46 0 Decrease1
Total 3,712,260 100.00 11
Invalid votes 120,691 3.15
Turnout 3,832,951 61.74 Decrease3.23
Registered voters 6,207,801

2000

2000 results in the Chugoku PR block
Party Votes Swing % Seats +/–
Liberal Democratic Party (LDP) 1,364,938 35.59 Decrease7.23 4 Decrease2
Democratic Party of Japan (DPJ) 831,747 21.68 Increase9.09 2 Steady0
Komeito 587,603 15.32 New 2 New
Social Democratic Party (SDP) 353,973 9.23 Increase2.86 1 Steady0
Japanese Communist Party (JCP) 341,851 8.91 Decrease0.75 1 Steady0
Liberal Party (LP) 340,358 8.87 New 1 New
Liberal League (LL) 15,164 0.40 New 0 New
Total 3,835,634 100.00 11 Decrease2
Invalid votes 165,994 4.15
Turnout 4,001,628 64.97
Registered voters 6,158,811

1996

1996 results in the Chugoku PR block
Party Votes % Seats
Liberal Democratic Party (LDP) 1,578,140 42.81 6
New Frontier Party (NFP) 883,319 23.96 3
Democratic Party (DP) 464,197 12.59 2
Japanese Communist Party (JCP) 356,108 9.66 1
Social Democratic Party (SDP) 234,642 6.37 1
New Socialist Party (NSP) 125,824 3.41 0
New Party Sakigake (NPS) 43,772 1.19 0
Total 3,686,002 100.00 13

References

Notes

  1. ^ 1996 DP
  2. ^ 2012 JRP, 2014 JIP
  3. ^ NSP 3.41
  4. ^ LL 0.40
  5. ^ HRP 0.75
  6. ^ HRP 0.41
  7. ^ Generations 3.51, HRP 0.58
  8. ^ HRP 0.65
  9. ^ NHK 1.18
allikas: https://en.wikipedia.org/wiki/Ch%C5%ABgoku_proportional_representation_block