Merthyr Tydfil - UK Parliament Constituency

Here are the most recent election results for the Merthyr Tydfil constituency.

Note: Smaller parties may be omitted. The candidate with the largest vote who does not belong to one of the main parties is listed as 'Minor'. Votes listed for 'Other' are calculated by taking the votes from the main parties and 'Minor' away from the total votes cast.

Name	Merthyr Tydfil
Region	Wales
Current Status	Abolished

Electoral History

Election		Party
	Election 1979	Labour
	Election 1974 (October)	Labour
	Election 1974 (February)	Labour
	Election 1970	Others
	Election 1966	Labour
	Election 1964	Labour
	Election 1959	Labour
	Election 1955	Labour

Election 1979

View full Election 1979 results.

Party		Votes	Percentage	Change
	Labour	22,386	71.32%	+0.70%
	Conservative	4,426	14.10%	+5.51%
	Plaid Cymru	2,962	9.44%	-5.33%
	Liberal	1,275	4.06%	-0.26%
	Others	337	1.07%	N/A
Majority		17,960	57.22%
Turnout		31,386	79.10%	+3.29%
Electorate		39,680
Swing from PC to CON			5.42%
Swing from PC to LAB			3.01%
Swing from LAB to CON			2.41%
	Labour hold

Election 1974 (October)

View full Election 1974 (October) results.

Party		Votes	Percentage	Change
	Labour	21,260	70.63%	+6.56%
	Plaid Cymru	4,445	14.77%	-8.18%
	Conservative	2,587	8.59%	+0.39%
	Liberal	1,300	4.32%	+1.19%
	Others	509	1.69%	N/A
Majority		16,815	55.86%
Turnout		30,101	75.81%	-5.25%
Electorate		39,706
Swing from PC to LAB			7.37%
Swing from PC to CON			4.29%
Swing from CON to LAB			3.08%
	Labour hold

Election 1974 (February)

View full Election 1974 (February) results.

Party		Votes	Percentage	Change
	Labour	20,486	64.07%	+35.37%
	Plaid Cymru	7,336	22.94%	+13.38%
	Conservative	2,622	8.20%	-1.65%
	Liberal	1,002	3.13%	N/A
	Others	529	1.65%	N/A
Majority		13,150	41.13%
Turnout		31,975	81.06%	+3.14%
Electorate		39,445
Swing from CON to LAB			18.51%
Swing from PC to LAB			10.99%
Swing from CON to PC			7.52%
	Labour gain from Others

Election 1970

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Party		Votes	Percentage	Change
	Labour	9,234	28.69%	-45.80%
	Conservative	3,169	9.85%	-4.14%
	Plaid Cymru	3,076	9.56%	-1.96%
	Others	16,701	51.90%	N/A
Majority		7,467	23.20%
Turnout		32,180	77.92%	+4.00%
Electorate		41,299
Swing from LAB to CON			20.83%
	Others gain from Labour

Election 1966

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Party		Votes	Percentage	Change
	Labour	21,737	74.49%	-0.78%
	Conservative	4,082	13.99%	-1.43%
	Plaid Cymru	3,361	11.52%	+2.21%
Majority		17,655	60.50%
Turnout		29,180	73.92%	-2.34%
Electorate		39,474
Swing from CON to PC			1.82%
Swing from LAB to PC			1.50%
Swing from CON to LAB			0.32%
	Labour hold

Election 1964

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Party		Votes	Percentage	Change
	Labour	23,275	75.27%	-1.87%
	Conservative	4,767	15.42%	-7.44%
	Plaid Cymru	2,878	9.31%	N/A
Majority		18,508	59.86%
Turnout		30,920	76.27%	-5.56%
Electorate		40,542
Swing from CON to PC			8.38%
Swing from LAB to PC			5.59%
Swing from CON to LAB			2.79%
	Labour hold

Election 1959

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Party		Votes	Percentage	Change
	Labour	26,608	77.14%	-0.11%
	Conservative	7,885	22.86%	+0.11%
Majority		18,723	54.28%
Turnout		34,493	81.83%	+4.55%
Electorate		42,153
Swing from LAB to CON			0.11%
	Labour hold

Election 1955

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Party		Votes	Percentage	Change
	Labour	25,630	77.25%	N/A
	Conservative	7,548	22.75%	N/A
Majority		18,082	54.50%
Turnout		33,178	77.28%	N/A
Electorate		42,933

	Labour win

2029 General Election

Poll of Polls

Seat-By-Seat Forecast

Custom Swingometer 2029

LAB - Targets | Defence

CON - Targets | Defence

LD - Targets | Defence

REF - Targets | Defence

GRN - Targets | Defence

2024 General Election Results