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1986 Japanese general election

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1986 Japanese general election

← 1983 6 July 1986 1990 →

All 512 seats in the House of Representatives of Japan
257 seats needed for a majority
Turnout71.4% (Increase3.5%)
  First party Second party Third party
 
Leader Yasuhiro Nakasone Masashi Ishibashi Yoshikatsu Takeiri
Party Liberal Democratic Socialist Kōmeitō
Last election 45.76%, 250 seats 19.49%, 112 seats 10.12%, 58 seats
Seats won 300 85 56
Seat change Increase50 Decrease27 Decrease3
Popular vote 29,875,501 10,412,584 5,701,277
Percentage 49.42% 17.23% 9.43%
Swing Increase3.66pp Decrease2.26pp Decrease0.69pp

  Fourth party Fifth party Sixth party
 
DSP
Leader Tetsuzo Fuwa Tsukamoto Saburō Yōhei Kōno
Party Communist Democratic Socialist New Liberal Club
Last election 9.34%, 26 seats 7.27%, 38 seats 2.36%, 8 seats
Seats won 26 26 6
Seat change Steady Decrease12 Decrease2
Popular vote 5,313,246 3,895,858 1,114,800
Percentage 8.79% 6.44% 1.64%
Swing Decrease0.55pp Decrease0.83pp Decrease0.72pp

  Seventh party
 
Leader Satsuki Eda
Party Socialist Democratic
Last election 0.67%, 3 seats
Seats won 4
Seat change Increase1
Popular vote 499,670
Percentage 0.83%
Swing Increase0.16pp


Prime Minister before election

Yasuhiro Nakasone
Liberal Democratic

Prime Minister after election

Yasuhiro Nakasone
Liberal Democratic

General elections were held in Japan on 6 July 1986 to elect the 512 members of the House of Representatives. This marks the last general election as of 2021 in which the LDP was able to obtain at least 300 seats in the House of Representatives, an event that only ever happened once before, in the 1960 election. This general election and 1960's are also tied for the highest number of seats ever obtained by the LDP in a general election, as both saw the LDP winning exactly 300 seats. However, the House of Representatives had fewer total seats in 1960, and so the popular vote for the LDP was actually stronger in 1960. Nonetheless, the 1986 general election also stands as the fourth strongest LDP showing in a general election in terms of the popular constituency votes. The result would not be matched until the Democratic Party of Japan's landslide showing in the 2009 Japanese general election narrowly beat it.

Opposition parties across the board saw seat losses and popular vote losses alongside it, with the lone exceptions being the Japanese Communist Party, which plateaued in its seat count, and the minor Socialist Democratic Federation, which gained a single seat. The biggest losses were in the Japan Socialist Party, which saw its decreasing popular vote numbers continued, alongside losing 27 seats. The DSP also saw a 12-seat loss, which took its representative number back down to 26 seats. Kōmeitō saw a small seat loss of three, and the New Liberal Club, which had been in coalition with the Second Nakasone Cabinet, lost two seats.

Results

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PartyVotes%Seats+/–
Liberal Democratic Party29,875,50149.42300+50
Japan Socialist Party10,412,58417.2385–27
Japanese Communist Party5,313,2468.79260
Kōmeitō5,701,2779.4356–2
Democratic Socialist Party3,895,8586.4426–12
New Liberal Club1,114,8001.846–2
Socialist Democratic Federation499,6700.834+1
Other parties120,6270.200
Independents3,515,0435.819–7
Total60,448,606100.00512+1
Valid votes60,448,60697.96
Invalid/blank votes1,259,0442.04
Total votes61,707,650100.00
Registered voters/turnout86,426,84571.40
Source: IPU

By prefecture

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Prefecture Total
seats
Seats won
LDP JSP Kōmeitō JCP DSP NLC SDF Ind.
Aichi 22 11 2 2 1 4 2
Akita 7 5 2
Aomori 7 7
Chiba 18 12 2 3 1
Ehime 9 7 1 1
Fukui 4 3 1
Fukuoka 19 9 4 4 1 1
Fukushima 12 8 3 1
Gifu 9 6 1 1 1
Gunma 10 8 2
Hiroshima 12 9 1 1 1
Hokkaido 23 13 7 1 1 1
Hyōgo 19 10 4 3 1 1
Ibaraki 12 8 2 1 1
Ishikawa 5 4 1
Iwate 8 6 2
Kagawa 6 5 1
Kagoshima 10 7 3
Kanagawa 20 5 4 4 1 2 4
Kōchi 5 2 1 1 1
Kumamoto 10 6 1 1 2
Kyoto 10 4 2 2 2
Mie 9 6 2 1
Miyagi 9 7 1 1
Miyazaki 6 5 1
Nagano 13 9 3 1
Nagasaki 9 6 2 1
Nara 5 2 1 1 1
Niigata 13 10 2 1
Ōita 7 4 2 1
Okayama 10 5 1 2 1 1
Okinawa 5 2 1 1 1
Osaka 27 7 4 7 6 3
Saga 5 3 1 1
Saitama 17 9 2 3 1 1 1
Shiga 5 3 1 1
Shimane 5 3 2
Shizuoka 14 10 2 1 1
Tochigi 10 5 3 1 1
Tokushima 5 3 1 1
Tokyo 44 19 5 10 8 1 1
Tottori 4 3 1
Toyama 6 4 2
Wakayama 6 4 1 1
Yamagata 7 6 1
Yamaguchi 9 6 2 1
Yamanashi 5 4 1
Total 512 300 85 56 26 26 6 4 9

References

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