1983 Japanese House of Councillors election
First party
Second party
Third party
Leader
Yasuhiro Nakasone
Masashi Ishibashi
Yoshikatsu Takeiri
Party
LDP
Socialist
Kōmeitō
Last election
135 seats, 42.5%
47 seats, 13.1%
26 seats, 11.9%
Seats after
137
44
26
Seat change
2
3
Popular vote
16,441,437
7,590,331
7,314,465
Percentage
35.3%
16.3%
15.7%
Swing
7.2%
3.2%
3.8%
Fourth party
Fifth party
Sixth party
Leader
Kenji Miyamoto
Sasaki Ryōsaku
Seiichi Tagawa
Party
JCP
Democratic Socialist
New Liberal Club
Last election
12 seats, 7.3%
11 seats, 6.0%
2 seats, 0.6%
Seats after
14
11
2
Seat change
2
Popular vote
4,163,877
3,888,429
1,239,169
Percentage
8.9%
8.4%
2.7%
Swing
1.6%
2.4%
2.1%
House of Councillors elections were held in Japan on 26 June 1983. The result was a victory for the ruling Liberal Democratic Party , which won 68 of the 126 seats up for election, retaining its majority in the House.