Tōkai proportional representation block

Tokai Proportional Representation Block
Parliamentary constituency
for the Japanese House of Representatives
Map of House of Representatives proportional blocks, with the Tōkai block highlighted
PrefecturesGifu, Shizuoka, Aichi, and Mie
Electorate12,041,518 (2026)
Current constituency
Created1994
Number of members21

The Tōkai proportional representation block (Hirei [daihyō] tōkai burokku (比例東海ブロック)) 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 Tōkai region, and consists of the prefectures of Gifu, Shizuoka, Aichi, and Mie. Following the introduction of proportional voting, Tōkai elected 23 representatives by PR in the 1996 general election, reduced to 21 in the election of 2000 when the total number of PR seats was reduced from 200 to 180.

Results timeline

Vote share

Party 1996 2000 2003 2005 2009 2012 2014 2017 2021 2024 2026
NFP 33.04
LDP 32.03 28.63 34.58 38.56 26.12 27.56 33.30 33.21 37.39 26.39 37.65
DPJ[a] 14.98 30.63 40.77 34.80 46.26 18.53 23.13
JCP 11.85 9.96 6.73 6.32 5.83 5.43 9.59 6.69 6.07 5.14 3.47
SDP 5.93 7.39 3.69 3.78 3.17 1.91 1.99 1.00 1.25 1.39 0.91
Komeito 11.65 14.23 12.42 10.67 10.93 12.47 11.59 11.67 10.23
LP 9.73
Nippon 4.12 0.87
Your 4.84 9.03
PNP 1.56
Ishin[b] 19.02 14.95 4.42 10.32 6.57 5.74
TPJ 7.16
PLP 1.65
KnT 21.45
CDP 21.05 22.08 22.65
DPFP 5.69 13.17 11.98
Reiwa 4.06 7.78 3.14
CPJ 3.93 2.51
Sanseitō 2.75 7.56
CRA 17.19
Mirai 6.85
Others 2.17[c] 2.01[d] 0.68[e] 0.42[f] 2.92[g] 0.57[h] 1.46[i] 3.00[j]
Turnout 63.85 61.76 68.46 70.73 60.43 54.62 55.62 55.99 55.09 58.70

Seat distribution

Election Distribution Seats
1996                                               23
2000                                           21
2003                                           21
2005                                           21
2009                                           21
2012                                           21
2014                                           21
2017                                           21
2021                                           21
2024                                           21
2026                                           21

Election results

2026

2026 results in the Tokai PR block
Party Votes Swing % Seats +/–
Liberal Democratic Party (LDP) 2,628,008 37.65 11.26 10 3
Centrist Reform Alliance (CRA)[k] 1,199,580 17.19 15.69 4 4
Democratic Party For the People (DPFP) 836,102 11.98 1.19 3 2
Sanseitō 527,291 7.56 4.81 2 2
Team Mirai 478,316 6.85 New 1 New
Japan Innovation Party (Ishin) 400,964 5.74 0.83 1 0
Japanese Communist Party (JCP) 241,848 3.47 1.67 0 1
Reiwa Shinsengumi (Reiwa) 218,838 3.14 4.64 0 2
Tax Cuts Japan and Yukoku Alliance (Genyu) 209,174 3.00 New 0 New
Conservative Party of Japan (CPJ) 175,506 2.51 1.42 0 1
Social Democratic Party (SDP) 63,729 0.91 0.48 0 0
Total 6,979,356 100.00 21
Invalid votes 89,474 1.27
Turnout 7,068,830 58.70 3.61
Registered voters 12,041,518

2024

2024 results in the Tokai PR block
Party Votes Swing % Seats +/–
Liberal Democratic Party (LDP) 1,717,737 26.39 11.00 7 2
Constitutional Democratic Party of Japan (CDP) 1,474,091 22.65 0.56 6 1
Democratic Party For the People (DPFP) 856,909 13.17 7.48 1 0
Komeito 665,939 10.23 1.43 2 1
Reiwa Shinsengumi (Reiwa) 506,112 7.78 3.72 2 2
Japan Innovation Party (Ishin) 427,368 6.57 3.76 1 1
Japanese Communist Party (JCP) 334,599 5.14 0.93 1 0
Conservative Party of Japan (CPJ) 255,726 3.93 New 1 New
Sanseitō 179,069 2.75 New 0 New
Social Democratic Party (SDP) 90,708 1.39 0.14 0 0
Total 6,508,258 100.00 21
Invalid votes 170,351 2.55
Turnout 6,678,609 55.09 0.90
Registered voters 12,123,776

2021

2021 results in the Tokai PR block
Party Votes Swing % Seats +/–
Liberal Democratic Party (LDP) 2,515,841 37.39 4.18 9 1
Constitutional Democratic Party of Japan (CDP) 1,485,947 22.08 1.03 5 1
Komeito 784,976 11.67 0.07 3 1
Japan Innovation Party (Ishin) 694,630 10.32 5.90 2 1
Japanese Communist Party (JCP) 408,606 6.07 0.62 1 0
Democratic Party For the People (DPFP) 382,734 5.69 New 1 New
Reiwa Shinsengumi (Reiwa) 273,208 4.06 New 0 New
NHK Party 98,238 1.46 New 0 New
Social Democratic Party (SDP) 84,220 1.25 0.25 0 0
Total 6,728,400 100.00 21
Invalid votes 159,687 2.32
Turnout 6,888,087 55.99 0.37
Registered voters 12,302,414

2017

2017 results in the Tokai PR block
Party Votes Swing % Seats +/–
Liberal Democratic Party (LDP) 2,237,838 33.21 0.09 8 0
Kibō no Tō 1,445,549 21.45 New 5 New
Constitutional Democratic Party of Japan (CDP) 1,418,633 21.05 New 4 New
Komeito 781,228 11.59 0.87 2 1
Japanese Communist Party (JCP) 450,970 6.69 2.90 1 1
Japan Innovation Party (Ishin) 297,759 4.42 New 1 New
Social Democratic Party (SDP) 67,445 1.00 0.99 0 0
Happiness Realization Party (HRP) 38,580 0.57 0.07 0 0
Total 6,738,002 100.00 21
Invalid votes 157,432 2.28
Turnout 6,895,434 55.62 1.01
Registered voters 12,396,727

2014

2014 results in the Tokai PR block
Party Votes Swing % Seats +/–
Liberal Democratic Party (LDP) 2,147,672 33.30 5.74 8 1
Democratic Party of Japan (DPJ) 1,491,764 23.13 4.60 5 1
Japan Innovation Party (JIP) 964,240 14.95 4.07 3 1
Komeito 804,089 12.47 1.54 3 1
Japanese Communist Party (JCP) 618,695 9.59 4.16 2 1
Party for Future Generations 147,080 2.28 New 0 New
Social Democratic Party (SDP) 128,131 1.99 0.08 0 0
People's Life Party (PLP) 106,346 1.65 New 0 New
Happiness Realization Party (HRP) 41,429 0.64 0.23 0 0
Total 6,449,446 100.00 21
Invalid votes 171,468 2.59
Turnout 6,620,914 54.62 5.82
Registered voters 12,122,808

2012

2012 results in the Tokai PR block
Party Votes Swing % Seats +/–
Liberal Democratic Party (LDP) 1,966,007 27.56 1.44 7 1
Japan Restoration Party (JRP) 1,356,970 19.02 New 4 New
Democratic Party of Japan (DPJ) 1,321,402 18.53 27.73 4 8
Komeito 779,577 10.93 0.26 2 0
Your Party 644,087 9.03 4.19 2 2
Tomorrow Party of Japan (TPJ) 511,048 7.16 New 1 New
Japanese Communist Party (JCP) 387,461 5.43 0.40 1 0
Social Democratic Party (SDP) 136,316 1.91 1.26 0 0
Happiness Realization Party (HRP) 29,739 0.42 0.27 0 0
Total 7,132,607 100.00 21
Invalid votes 187,862 2.57
Turnout 7,320,469 60.43 10.29
Registered voters 12,113,325

2009

2009 results in the Tokai PR block
Party Votes Swing % Seats +/–
Democratic Party of Japan (DPJ) 3,864,328 46.26 11.46 12 4
Liberal Democratic Party (LDP) 2,182,422 26.12 12.44 6 3
Komeito 891,158 10.67 1.75 2 1
Japanese Communist Party (JCP) 486,974 5.83 0.49 1 0
Your Party 404,411 4.84 New 0 New
Social Democratic Party (SDP) 264,957 3.17 0.61 0 0
People's New Party (PNP) 130,212 1.56 New 0 New
New Party Nippon (Nippon) 72,485 0.87 3.25 0 0
Happiness Realization Party (HRP) 57,222 0.68 New 0 New
Total 8,354,169 100.00 21
Invalid votes 193,832 2.27
Turnout 8,548,001 70.73 2.27
Registered voters 12,086,036

2005

2005 results in the Tokai PR block
Party Votes Swing % Seats +/–
Liberal Democratic Party (LDP) 3,066,048 38.56 3.98 9 1
Democratic Party of Japan (DPJ) 2,766,443 34.80 5.97 8 1
Komeito 987,290 12.42 1.81 3 0
Japanese Communist Party (JCP) 502,501 6.32 0.41 1 0
New Party Nippon (Nippon) 327,768 4.12 New 0 New
Social Democratic Party (SDP) 300,574 3.78 0.09 0 0
Total 7,950,624 100.00 21
Invalid votes 194,048 2.38
Turnout 8,144,672 68.46 6.70
Registered voters 11,896,841

2003

2003 results in the Tokai PR block
Party Votes Swing % Seats +/–
Democratic Party of Japan (DPJ) 2,872,501 40.77 10.14 9 2
Liberal Democratic Party (LDP) 2,436,791 34.58 5.95 8 1
Komeito 1,002,576 14.23 2.58 3 1
Japanese Communist Party (JCP) 474,414 6.73 3.23 1 1
Social Democratic Party (SDP) 259,831 3.69 3.70 0 1
Total 7,046,113 100.00 21
Invalid votes 229,448 3.15
Turnout 7,275,561 61.76 2.08
Registered voters 11,779,595

2000

2000 results in the Tokai PR block
Party Votes Swing % Seats +/–
Democratic Party of Japan (DPJ) 2,151,270 30.63 15.65 7 4
Liberal Democratic Party (LDP) 2,011,334 28.63 3.39 7 1
Komeito 818,473 11.65 New 2 New
Japanese Communist Party (JCP) 699,970 9.96 1.89 2 1
Liberal Party (LP) 683,153 9.73 New 2 New
Social Democratic Party (SDP) 519,193 7.39 1.46 1 0
New Conservative Party (NCP) 92,278 1.31 New 0 New
Liberal League (LL) 48,772 0.69 New 0 New
Total 7,024,443 100.00 21 2
Invalid votes 355,183 4.81
Turnout 7,379,626 63.85
Registered voters 11,558,584

1996

1996 results in the Tokai PR block
Party Votes % Seats
New Frontier Party (NFP) 2,107,536 33.04 8
Liberal Democratic Party (LDP) 2,042,948 32.03 8
Democratic Party (DP) 955,464 14.98 3
Japanese Communist Party (JCP) 756,037 11.85 3
Social Democratic Party (SDP) 378,414 5.93 1
New Socialist Party (NSP) 79,449 1.25 0
Liberal League (LL) 58,965 0.92 0
Total 6,378,813 100.00 23

References

Notes

  1. ^ 1996 DP
  2. ^ 2012 JRP, 2014 JIP
  3. ^ NSP 1.25, LL 0.92
  4. ^ NCP 1.31, LL 0.69
  5. ^ HRP 0.68
  6. ^ HRP 0.42
  7. ^ Generations 2.28, HRP 0.64
  8. ^ HRP 0.57
  9. ^ NHK 1.46
  10. ^ Genyu 3.00
  11. ^ Swings compared to CDP and Komeito
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