1965 Japanese House of Councillors election

House of Councillors elections were held in Japan on 4 July 1965, electing half the seats in the House. The Liberal Democratic Party won the most seats.

1965 Japanese House of Councillors election

← 1962 4 July 1965 1968 →
127 of the 251 seats in the House of Councillors 126 seats needed for a majority
First party Second party Third party   Leader Eisaku Satō Kōzō Sasaki Takehisa Tsuji Party LDP Socialist Kōmeitō Seats after 140 73 20 Seat change 2 6 5 Popular vote 17,583,490 8,729,655 5,097,682 Percentage 47.2% 23.4% 13.7% Swing 0.8% 0.8% 2.2%   Fourth party Fifth party   Leader Suehiro Nishio Kenji Miyamoto Party Democratic Socialist JCP Seats after 7 4 Seat change 4 Popular vote 2,214,375 1,652,364 Percentage 5.9% 4.4% Swing 0.6% 1.3%
Results of the election, showing the winning candidates in each prefecture and the national block.
President of the House of Councillors before election Yōtoku Shigemasa LDP President of the House of Councillors-designate Kenzō Kōno LDP

Results

Party		National			Constituency			Seats
		Votes	%	Seats	Votes	%	Seats	Not up	Won	Total after	+/–
	Liberal Democratic Party	17,583,490	47.17	25	16,651,284	44.20	46	69	71	140	–2
	Japan Socialist Party	8,729,655	23.42	12	12,346,650	32.77	24	37	36	73	+7
	Kōmeitō	5,097,682	13.68	9	1,910,975	5.07	2	9	11	20	+5
	Democratic Socialist Party	2,214,375	5.94	2	2,303,860	6.12	1	4	3	7	–4
	Japanese Communist Party	1,652,364	4.43	2	2,608,771	6.92	1	1	3	4	0
	Other parties	298,401	0.80	0	185,991	0.49	0	0	0	0	0
	Independents	1,700,849	4.56	2	1,664,639	4.42	1	4	3	7	+2
Total		37,276,816	100.00	52	37,672,170	100.00	75	124	127	251	+1
Valid votes		37,276,816	93.42		37,672,170	94.41
Invalid/blank votes		2,624,119	6.58		2,232,535	5.59
Total votes		39,900,935	100.00		39,904,705	100.00
Registered voters/turnout		59,544,407	67.01		59,544,407	67.02
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	1	1
Ishikawa	1	1
Iwate	1	1
Kagawa	1		1
Kagoshima	2	2
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
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		1	1		1	1
Tottori	1	1
Toyama	1	1
Wakayama	1	1
Yamagata	1	1
Yamaguchi	1	1
Yamanashi	1	1
National	52	25	12	9	2	2	2
Total	127	71	36	11	3	3	3