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127 of the 252 seats in the House of Councillors 127 seats needed for a majority | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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House of Councillors elections were held in Japan on 6 July 1986 to elect half the seats in the upper house of the Diet. The elections were held alongside elections for the House of Representatives, the second and most recent such instance since 1980.
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|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Party | National | Constituency | Seats | |||||||||
| Votes | % | Seats | Votes | % | Seats | Not up | Won | Total after | +/– | |||
| Liberal Democratic Party | 22,132,573 | 38.58 | 22 | 26,111,258 | 45.07 | 50 | 68 | 72 | 140 | +3 | ||
| Japan Socialist Party | 9,869,088 | 17.20 | 9 | 12,464,579 | 21.51 | 11 | 21 | 20 | 41 | –3 | ||
| Kōmeitō | 7,438,501 | 12.97 | 7 | 2,549,037 | 4.40 | 3 | 14 | 10 | 24 | –2 | ||
| Japanese Communist Party | 5,430,838 | 9.47 | 5 | 6,617,487 | 11.42 | 4 | 7 | 9 | 16 | +2 | ||
| Democratic Socialist Party | 3,940,325 | 6.87 | 3 | 2,643,370 | 4.56 | 2 | 7 | 5 | 12 | +1 | ||
| Tax Affairs Party | 1,803,051 | 3.14 | 1 | 327,444 | 0.57 | 0 | 1 | 1 | 2 | New | ||
| New Party for Salaried Men | 1,759,484 | 3.07 | 1 | 2 | 1 | 3 | +1 | |||||
| Dainiin Club | 1,455,532 | 2.54 | 1 | 2 | 1 | 3 | +1 | |||||
| New Liberal Club | 1,367,291 | 2.38 | 1 | 1 | 1 | 2 | 0 | |||||
| Other parties | 2,166,059 | 3.78 | 0 | 1,192,801 | 2.06 | 0 | 1 | 0 | 1 | – | ||
| Independents | 6,032,259 | 10.41 | 6 | 1 | 6 | 7 | +1 | |||||
| Vacant | 1 | 0 | 1 | 1 | – | |||||||
| Total | 57,362,742 | 100.00 | 50 | 57,938,235 | 100.00 | 77 | 125 | 127 | 252 | 0 | ||
| Valid votes | 57,362,742 | 93.06 | 57,938,235 | 93.94 | ||||||||
| Invalid/blank votes | 4,280,530 | 6.94 | 3,735,135 | 6.06 | ||||||||
| Total votes | 61,643,272 | 100.00 | 61,673,370 | 100.00 | ||||||||
| Registered voters/turnout | 86,426,845 | 71.32 | 86,426,845 | 71.36 | ||||||||
| Source: Ministry of Internal Affairs and Communications, [1] [2] National Diet | ||||||||||||
| Constituency | Total seats | Seats won | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| LDP | JSP | Kōmeitō | JCP | DSP | TAP | NPSM | DC | NLC | Ind. | ||
| Aichi | 3 | 1 | 1 | 1 | |||||||
| Akita | 1 | 1 | |||||||||
| Aomori | 1 | 1 | |||||||||
| Chiba | 2 | 1 | 1 | ||||||||
| Ehime | 1 | 1 | |||||||||
| Fukui | 1 | 1 | |||||||||
| Fukuoka | 3 | 2 | 1 | ||||||||
| Fukushima | 2 | 1 | 1 | ||||||||
| Gifu | 1 | 1 | |||||||||
| Gunma | 2 | 2 | |||||||||
| Hiroshima | 2 | 1 | 1 | ||||||||
| Hokkaido | 4 | 2 | 1 | 1 | |||||||
| Hyōgo | 3 | 1 | 1 | 1 | |||||||
| Ibaraki | 2 | 1 | 1 | ||||||||
| Ishikawa | 1 | 1 | |||||||||
| Iwate | 1 | 1 | |||||||||
| Kagawa | 1 | 1 | |||||||||
| Kagoshima | 2 | 2 | |||||||||
| Kanagawa | 2 | 1 | 1 | ||||||||
| Kōchi | 1 | 1 | |||||||||
| Kumamoto | 2 | 2 | |||||||||
| Kyoto | 2 | 1 | 1 | ||||||||
| Mie | 1 | 1 | |||||||||
| Miyagi | 1 | 1 | |||||||||
| Miyazaki | 1 | 1 | |||||||||
| Nagano | 2 | 1 | 1 | ||||||||
| Nagasaki | 1 | 1 | |||||||||
| Nara | 1 | 1 | |||||||||
| Niigata | 2 | 1 | 1 | ||||||||
| Ōita | 1 | 1 | |||||||||
| Okinawa | 1 | 1 | |||||||||
| Okayama | 2 | 1 | 1 | ||||||||
| Osaka | 3 | 1 | 1 | 1 | |||||||
| Saga | 1 | 1 | |||||||||
| Saitama | 2 | 1 | 1 | ||||||||
| Shiga | 1 | 1 | |||||||||
| Shimane | 1 | 1 | |||||||||
| Shizuoka | 2 | 1 | 1 | ||||||||
| Tochigi | 2 | 2 | |||||||||
| Tokushima | 1 | 1 | |||||||||
| Tokyo | 4 | 2 | 1 | 1 | |||||||
| Tottori | 1 | 1 | |||||||||
| Toyama | 1 | 1 | |||||||||
| Wakayama | 1 | 1 | |||||||||
| Yamagata | 1 | 1 | |||||||||
| Yamaguchi | 1 | 1 | |||||||||
| Yamanashi | 1 | 1 | |||||||||
| National | 50 | 22 | 9 | 7 | 5 | 3 | 1 | 1 | 1 | 1 | |
| Total | 126 | 72 | 20 | 10 | 9 | 5 | 1 | 1 | 1 | 1 | 6 |
