Tōkai proportional representation block

The Tōkai proportional representation block (Hirei [daihyō] tōkai burokku (比例東海ブロック)) is one of eleven proportional representation (PR) "blocks", multi-member constituencies for the House of Representatives in the Diet of Japan. It consists of the Tōkai region, and consists of the prefectures of Gifu, Shizuoka, Aichi, and Mie. Following the introduction of proportional voting, Tōkai elected 23 representatives by PR in the 1996 general election, reduced to 21 in the election of 2000 when the total number of PR seats was reduced from 200 to 180.

Tokai Proportional Representation Block
Parliamentary constituency for the Japanese House of Representatives
Map of House of Representatives proportional blocks, with the Tōkai block highlighted
Prefectures	Gifu, Shizuoka, Aichi, and Mie
Electorate	12,123,776 (2024)
Current constituency
Created	1994
Number of members	21

Results timeline

Vote share

Party		1996	2000	2003	2005	2009	2012	2014	2017	2021	2024
	NFP	33.04
	LDP	32.03	28.63	34.58	38.56	26.12	27.56	33.30	33.21	37.39	26.39
	DPJ[a]	14.98	30.63	40.77	34.80	46.26	18.53	23.13
	JCP	11.85	9.96	6.73	6.32	5.83	5.43	9.59	6.69	6.07	5.14
	SDP	5.93	7.39	3.69	3.78	3.17	1.91	1.99	1.00	1.25	1.39
	Komeito		11.65	14.23	12.42	10.67	10.93	12.47	11.59	11.67	10.23
	LP		9.73
	Nippon				4.12	0.87
	Your					4.84	9.03
	PNP					1.56
	Ishin[b]						19.02	14.95	4.42	10.32	6.57
	TPJ						7.16
	PLP							1.65
	KnT								21.45
	CDP								21.05	22.08	22.65
	DPFP									5.69	13.17
	Reiwa									4.06	7.78
	CPJ										3.93
	Sanseitō										2.75
Others		2.17[c]	2.01[d]			0.68[e]	0.42[f]	2.92[g]	0.57[h]	1.46[i]
Turnout			63.85	61.76	68.46	70.73	60.43	54.62	55.62	55.99	55.09

Seat distribution

Election	Distribution	Seats
1996		23
2000		21
2003		21
2005		21
2009		21
2012		21
2014		21
2017		21
2021		21
2024		21

Election results

2024

2024 results in the Tokai PR block

Party		Votes	Swing	%	Seats	+/–
	Liberal Democratic Party (LDP)	1,717,737	26.39	11.00	7	2
	Constitutional Democratic Party of Japan (CDP)	1,474,091	22.65	0.56	6	1
	Democratic Party For the People (DPFP)	856,909	13.17	7.48	1	0
	Komeito	665,939	10.23	1.43	2	1
	Reiwa Shinsengumi (Reiwa)	506,112	7.78	3.72	2	2
	Japan Innovation Party (Ishin)	427,368	6.57	3.76	1	1
	Japanese Communist Party (JCP)	334,599	5.14	0.93	1	0
	Conservative Party of Japan (CPJ)	255,726	3.93	New	1	New
	Sanseitō	179,069	2.75	New	0	New
	Social Democratic Party (SDP)	90,708	1.39	0.14	0	0
Total		6,508,258	100.00		21
Invalid votes		170,351	2.55
Turnout		6,678,609	55.09	0.90
Registered voters		12,123,776

2021

2021 results in the Tokai PR block

Party		Votes	Swing	%	Seats	+/–
	Liberal Democratic Party (LDP)	2,515,841	37.39	4.18	9	1
	Constitutional Democratic Party of Japan (CDP)	1,485,947	22.08	1.03	5	1
	Komeito	784,976	11.67	0.07	3	1
	Japan Innovation Party (Ishin)	694,630	10.32	5.90	2	1
	Japanese Communist Party (JCP)	408,606	6.07	0.62	1	0
	Democratic Party For the People (DPFP)	382,734	5.69	New	1	New
	Reiwa Shinsengumi (Reiwa)	273,208	4.06	New	0	New
	NHK Party	98,238	1.46	New	0	New
	Social Democratic Party (SDP)	84,220	1.25	0.25	0	0
Total		6,728,400	100.00		21
Invalid votes		159,687	2.32
Turnout		6,888,087	55.99	0.37
Registered voters		12,302,414

2017

2017 results in the Tokai PR block

Party		Votes	Swing	%	Seats	+/–
	Liberal Democratic Party (LDP)	2,237,838	33.21	0.09	8	0
	Kibō no Tō	1,445,549	21.45	New	5	New
	Constitutional Democratic Party of Japan (CDP)	1,418,633	21.05	New	4	New
	Komeito	781,228	11.59	0.87	2	1
	Japanese Communist Party (JCP)	450,970	6.69	2.90	1	1
	Japan Innovation Party (Ishin)	297,759	4.42	New	1	New
	Social Democratic Party (SDP)	67,445	1.00	0.99	0	0
	Happiness Realization Party (HRP)	38,580	0.57	0.07	0	0
Total		6,738,002	100.00		21
Invalid votes		157,432	2.28
Turnout		6,895,434	55.62	1.01
Registered voters		12,396,727

2014

2014 results in the Tokai PR block

Party		Votes	Swing	%	Seats	+/–
	Liberal Democratic Party (LDP)	2,147,672	33.30	5.74	8	1
	Democratic Party of Japan (DPJ)	1,491,764	23.13	4.60	5	1
	Japan Innovation Party (JIP)	964,240	14.95	4.07	3	1
	Komeito	804,089	12.47	1.54	3	1
	Japanese Communist Party (JCP)	618,695	9.59	4.16	2	1
	Party for Future Generations	147,080	2.28	New	0	New
	Social Democratic Party (SDP)	128,131	1.99	0.08	0	0
	People's Life Party (PLP)	106,346	1.65	New	0	New
	Happiness Realization Party (HRP)	41,429	0.64	0.23	0	0
Total		6,449,446	100.00		21
Invalid votes		171,468	2.59
Turnout		6,620,914	54.62	5.82
Registered voters		12,122,808

2012

2012 results in the Tokai PR block

Party		Votes	Swing	%	Seats	+/–
	Liberal Democratic Party (LDP)	1,966,007	27.56	1.44	7	1
	Japan Restoration Party (JRP)	1,356,970	19.02	New	4	New
	Democratic Party of Japan (DPJ)	1,321,402	18.53	27.73	4	8
	Komeito	779,577	10.93	0.26	2	0
	Your Party	644,087	9.03	4.19	2	2
	Tomorrow Party of Japan (TPJ)	511,048	7.16	New	1	New
	Japanese Communist Party (JCP)	387,461	5.43	0.40	1	0
	Social Democratic Party (SDP)	136,316	1.91	1.26	0	0
	Happiness Realization Party (HRP)	29,739	0.42	0.27	0	0
Total		7,132,607	100.00		21
Invalid votes		187,862	2.57
Turnout		7,320,469	60.43	10.29
Registered voters		12,113,325

2009

2009 results in the Tokai PR block

Party		Votes	Swing	%	Seats	+/–
	Democratic Party of Japan (DPJ)	3,864,328	46.26	11.46	12	4
	Liberal Democratic Party (LDP)	2,182,422	26.12	12.44	6	3
	Komeito	891,158	10.67	1.75	2	1
	Japanese Communist Party (JCP)	486,974	5.83	0.49	1	0
	Your Party	404,411	4.84	New	0	New
	Social Democratic Party (SDP)	264,957	3.17	0.61	0	0
	People's New Party (PNP)	130,212	1.56	New	0	New
	New Party Nippon (Nippon)	72,485	0.87	3.25	0	0
	Happiness Realization Party (HRP)	57,222	0.68	New	0	New
Total		8,354,169	100.00		21
Invalid votes		193,832	2.27
Turnout		8,548,001	70.73	2.27
Registered voters		12,086,036

2005

2005 results in the Tokai PR block

Party		Votes	Swing	%	Seats	+/–
	Liberal Democratic Party (LDP)	3,066,048	38.56	3.98	9	1
	Democratic Party of Japan (DPJ)	2,766,443	34.80	5.97	8	1
	Komeito	987,290	12.42	1.81	3	0
	Japanese Communist Party (JCP)	502,501	6.32	0.41	1	0
	New Party Nippon (Nippon)	327,768	4.12	New	0	New
	Social Democratic Party (SDP)	300,574	3.78	0.09	0	0
Total		7,950,624	100.00		21
Invalid votes		194,048	2.38
Turnout		8,144,672	68.46	6.70
Registered voters		11,896,841

2003

2003 results in the Tokai PR block

Party		Votes	Swing	%	Seats	+/–
	Democratic Party of Japan (DPJ)	2,872,501	40.77	10.14	9	2
	Liberal Democratic Party (LDP)	2,436,791	34.58	5.95	8	1
	Komeito	1,002,576	14.23	2.58	3	1
	Japanese Communist Party (JCP)	474,414	6.73	3.23	1	1
	Social Democratic Party (SDP)	259,831	3.69	3.70	0	1
Total		7,046,113	100.00		21
Invalid votes		229,448	3.15
Turnout		7,275,561	61.76	2.08
Registered voters		11,779,595

2000

2000 results in the Tokai PR block

Party		Votes	Swing	%	Seats	+/–
	Democratic Party of Japan (DPJ)	2,151,270	30.63	15.65	7	4
	Liberal Democratic Party (LDP)	2,011,334	28.63	3.39	7	1
	Komeito	818,473	11.65	New	2	New
	Japanese Communist Party (JCP)	699,970	9.96	1.89	2	1
	Liberal Party (LP)	683,153	9.73	New	2	New
	Social Democratic Party (SDP)	519,193	7.39	1.46	1	0
	New Conservative Party (NCP)	92,278	1.31	New	0	New
	Liberal League (LL)	48,772	0.69	New	0	New
Total		7,024,443	100.00		21	2
Invalid votes		355,183	4.81
Turnout		7,379,626	63.85
Registered voters		11,558,584

1996

1996 results in the Tokai PR block

Party		Votes	%	Seats
	New Frontier Party (NFP)	2,107,536	33.04	8
	Liberal Democratic Party (LDP)	2,042,948	32.03	8
	Democratic Party (DP)	955,464	14.98	3
	Japanese Communist Party (JCP)	756,037	11.85	3
	Social Democratic Party (SDP)	378,414	5.93	1
	New Socialist Party (NSP)	79,449	1.25	0
	Liberal League (LL)	58,965	0.92	0
Total		6,378,813	100.00	23