1971 Japanese House of Councillors election

House of Councillors elections were held in Japan on 27 June 1971, electing half the seats in the House. The Liberal Democratic Party won the most seats.

1971 Japanese House of Councillors election

← 1968 27 June 1971 1974 →
125 of the 251 seats in the House of Councillors 125 seats needed for a majority
First party Second party Third party   Leader Eisaku Satō Tomomi Narita Yoshikatsu Takeiri Party LDP Socialist Kōmeitō Seats after 134 66 23 Seat change 3 1 1 Popular vote 17,759,395 8,494,264 5,626,293 Percentage 44.5% 21.3% 14.1% Swing 2.2% 2.5% 1.4%   Fourth party Fifth party   Leader Kasuga Ikkō Kenji Miyamoto Party Democratic Socialist JCP Seats after 13 10 Seat change 3 3 Popular vote 2,441,509 3,219,307 Percentage 6.1% 8.1% Swing 0.1% 3.1%
Results of the election, showing the winning candidates in each prefecture and the national block.
President of the House of Councillors before election Ken Yasui LDP President of the House of Councillors-designate Yasoichi Mori LDP

Results

Party		National			Constituency			Seats
		Votes	%	Seats	Votes	%	Seats	Not up	Won	Total after	+/–
	Liberal Democratic Party	17,759,395	44.47	21	17,727,263	43.95	41	72	62	134	–3
	Japan Socialist Party	8,494,264	21.27	11	12,597,644	31.24	28	27	39	66	+1
	Komeitō	5,626,293	14.09	8	1,391,855	3.45	2	13	10	23	–1
	Japanese Communist Party	3,219,307	8.06	5	4,878,570	12.10	1	4	6	10	+3
	Democratic Socialist Party	2,441,509	6.11	4	1,919,643	4.76	2	7	6	13	+3
	Other parties	48,300	0.12	0	74,739	0.19	0	0	0	0	0
	Independents	2,342,517	5.87	1	1,741,201	4.32	1	3	2	5	–2
Total		39,931,585	100.00	50	40,330,915	100.00	75	126	125	251	+1
Valid votes		39,931,585	94.71		40,330,915	95.65
Invalid/blank votes		2,229,158	5.29		1,833,100	4.35
Total votes		42,160,743	100.00		42,164,015	100.00
Registered voters/turnout		71,177,667	59.23		71,177,667	59.24
Source: Ministry of Internal Affairs and Communications, National Diet

By constituency

Constituency	Total seats	Seats won
		LDP	JSP	Kōmeitō	DSP	JCP	Ind.
Aichi	3	2	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	1	1
Hiroshima	2	1	1
Hokkaido	4	2	2
Hyōgo	3	1	1		1
Ibaraki	2	2
Ishikawa	1	1
Iwate	1	1
Kagawa	1		1
Kagoshima	2	1	1
Kanagawa	2	1	1
Kōchi	1	1
Kumamoto	2	1	1
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	1	1
Tokushima	1						1
Tokyo	4	1		1	1	1
Tottori	1	1
Toyama	1	1
Wakayama	1	1
Yamagata	1	1
Yamaguchi	1	1
Yamanashi	1		1
National	50	21	11	8	4	5	1
Total	126	63	39	10	6	6	2