General election in Japan held in 1986
1986 Japanese general election
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← 1983 | 6 July 1986 | 1990 → |
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All 512 seats in the House of Representatives of Japan 257 seats needed for a majority |
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Turnout | 71.4% (3.5%) |
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| 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 | 50 | 27 | 3 | Popular vote | 29,875,501 | 10,412,584 | 5,701,277 | Percentage | 49.42% | 17.23% | 9.43% | Swing | 3.66pp | 2.26pp | 0.69pp | | | 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 | | 12 | 2 | Popular vote | 5,313,246 | 3,895,858 | 1,114,800 | Percentage | 8.79% | 6.44% | 1.64% | Swing | 0.55pp | 0.83pp | 0.72pp | | | Seventh party | | | | | Leader | Satsuki Eda | | Party | Socialist Democratic | | Last election | 0.67%, 3 seats | | Seats won | 4 | | Seat change | 1 | | Popular vote | 499,670 | | Percentage | 0.83% | | Swing | 0.16pp | | |
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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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Party | Votes | % | Seats | +/– |
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| Liberal Democratic Party | 29,875,501 | 49.42 | 300 | +50 |
| Japan Socialist Party | 10,412,584 | 17.23 | 85 | –27 |
| Japanese Communist Party | 5,313,246 | 8.79 | 26 | 0 |
| Kōmeitō | 5,701,277 | 9.43 | 56 | –2 |
| Democratic Socialist Party | 3,895,858 | 6.44 | 26 | –12 |
| New Liberal Club | 1,114,800 | 1.84 | 6 | –2 |
| Socialist Democratic Federation | 499,670 | 0.83 | 4 | +1 |
| Other parties | 120,627 | 0.20 | 0 | – |
| Independents | 3,515,043 | 5.81 | 9 | –7 |
Total | 60,448,606 | 100.00 | 512 | +1 |
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Valid votes | 60,448,606 | 97.96 | |
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Invalid/blank votes | 1,259,044 | 2.04 | |
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Total votes | 61,707,650 | 100.00 | |
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Registered voters/turnout | 86,426,845 | 71.40 | |
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Source: IPU |
By prefecture
References
General elections | |
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Councillors elections | |
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Unified local elections | |
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Supreme Court retention elections | - 1949
- 1952
- 1955
- 1958
- 1960
- 1963
- 1967
- 1969
- 1972
- 1976
- 1979
- 1980
- 1983
- 1986
- 1990
- 1993
- 1996
- 2000
- 2003
- 2005
- 2009
- 2012
- 2014
- 2017
- 2021
- 2025
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- See also: Gubernatorial elections
- Prefectural Assembly elections
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