Lagan Valley - UK Parliament Constituency

Here are the most recent election results for the Lagan Valley 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	Lagan Valley
Region	Northern Ireland
1st in 2024		Alliance NI
2nd in 2024		DUP
Swing To Lose	3.01%

Note: 'Swing To Lose' is the swing needed by the 2nd placed party against the 1st placed party to win the seat.

Electoral History

Election		Party
	Election 2024	Alliance NI
	Election 2019 (New Boundaries)	DUP
	Election 2019	DUP
	Election 2017	DUP
	Election 2015	DUP
	Election 2010	DUP
	Election 2005 (New Boundaries)	DUP
	Election 2005	DUP
	Election 2001	UUP
	Election 1997	UUP
	Election 1992	UUP
	Election 1987	UUP
	Election 1983	UUP

Election 2024

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Party		Votes	Percentage	Change
	Alliance NI	18,618	37.93%	+11.07%
	DUP	15,659	31.90%	-11.21%
	UUP	11,157	22.73%	+4.35%
	TUV	2,186	4.45%	N/A
	SDLP	1,028	2.09%	-1.94%
	Green	433	0.88%	N/A
Majority		2,959	6.03%
Turnout		49,081	59.71%	-0.58%
Electorate		82,201
Swing from DUP to APNI			11.14%
Swing from DUP to UUP			7.78%
Swing from UUP to APNI			3.36%
	Alliance NI gain from DUP

Election 2019 (New Boundaries)

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Party		Votes	Percentage	Change
	DUP	19,840	43.11%	-0.03%
	Alliance NI	12,365	26.87%	-1.96%
	UUP	8,460	18.38%	-0.57%
	Sinn Fein	1,994	4.33%	+1.91%
	SDLP	1,855	4.03%	+0.16%
	Conservative	878	1.91%	-0.20%
	Minor	315	0.68%	N/A
	UKIP	315	0.68%	-0.01%
Majority		7,475	16.24%
Turnout		46,022	60.29%	+0.34%
Electorate		76,332
Swing from APNI to DUP			0.96%
Swing from APNI to UUP			0.69%
Swing from UUP to DUP			0.27%
	DUP hold

Election 2019

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Party		Votes	Percentage	Change
	DUP	19,586	43.14%	-16.43%
	Alliance NI	13,087	28.82%	+17.70%
	UUP	8,606	18.95%	+2.19%
	SDLP	1,758	3.87%	-3.66%
	Sinn Fein	1,098	2.42%	-1.07%
	Conservative	955	2.10%	+1.07%
	UKIP	315	0.69%	N/A
Majority		6,499	14.31%
Turnout		45,405	59.95%	-2.12%
Electorate		75,735
Swing from DUP to APNI			17.07%
Swing from DUP to UUP			9.31%
Swing from UUP to APNI			7.76%
	DUP hold

Election 2017

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Party		Votes	Percentage	Change
	DUP	26,762	59.57%	+11.69%
	UUP	7,533	16.77%	+1.55%
	Alliance NI	4,996	11.12%	-2.81%
	SDLP	3,384	7.53%	+1.25%
	Sinn Fein	1,567	3.49%	+0.61%
	Conservative	462	1.03%	-0.62%
	Minor	222	0.49%	N/A
Majority		19,229	42.80%
Turnout		44,926	62.07%	+6.14%
Electorate		72,380
Swing from APNI to DUP			7.25%
Swing from UUP to DUP			5.07%
Swing from APNI to UUP			2.18%
	DUP hold

Election 2015

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Party		Votes	Percentage	Change
	DUP	19,055	47.88%	-1.92%
	UUP	6,055	15.22%	N/A
	Alliance NI	5,544	13.93%	+2.51%
	SDLP	2,500	6.28%	+1.26%
	UKIP	2,200	5.53%	N/A
	TUV	1,887	4.74%	-3.89%
	Sinn Fein	1,144	2.87%	-1.13%
	Minor	756	1.90%	N/A
	Conservative	654	1.64%	N/A
Majority		13,000	32.67%
Turnout		39,795	55.93%	-0.06%
Electorate		71,152
Swing from DUP to UUP			8.57%
Swing from APNI to UUP			6.35%
Swing from DUP to APNI			2.22%
	DUP hold

Election 2010

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Party		Votes	Percentage	Change
	DUP	18,199	49.81%	-4.90%
	UCU-NF	7,713	21.11%	N/A
	Alliance NI	4,174	11.42%	N/A
	TUV	3,154	8.63%	N/A
	SDLP	1,835	5.02%	-1.08%
	Sinn Fein	1,465	4.01%	-3.50%
Majority		10,486	28.70%
Turnout		36,540	55.99%	-4.19%
Electorate		65,257
Swing from DUP to UCU-NF			13.00%
Swing from DUP to APNI			8.16%
Swing from APNI to UCU-NF			4.84%
	DUP hold

Election 2005 (New Boundaries)

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Party		Votes	Percentage	Change
	DUP	23,289	54.70%	0.00%
	UUP	9,172	21.54%	0.00%
	Minor	4,316	10.14%	N/A
	Sinn Fein	3,197	7.51%	0.00%
	SDLP	2,598	6.10%	0.00%
Majority		14,117	33.16%
Turnout		42,572	60.18%	-0.43%
Electorate		70,742
Swing from DUP to MIN			5.07%
Swing from UUP to MIN			5.07%
Swing from UUP to DUP			0.00%
	DUP hold

Election 2005

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Party		Votes	Percentage	Change
	DUP	23,289	54.70%	+41.29%
	UUP	9,172	21.54%	-34.98%
	Alliance NI	4,316	10.14%	-6.46%
	Sinn Fein	3,197	7.51%	+1.58%
	SDLP	2,598	6.10%	-1.43%
Majority		14,117	33.16%
Turnout		42,572	60.61%	-2.61%
Electorate		70,238
Swing from UUP to DUP			38.13%
Swing from APNI to DUP			23.87%
Swing from UUP to APNI			14.26%
	DUP gain from UUP

Election 2001

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Party		Votes	Percentage	Change
	UUP	25,966	56.52%	+1.09%
	Alliance NI	7,624	16.60%	-0.64%
	DUP	6,164	13.42%	-0.14%
	SDLP	3,462	7.54%	-0.22%
	Sinn Fein	2,725	5.93%	+3.43%
Majority		18,342	39.93%
Turnout		45,941	63.22%	+1.01%
Electorate		72,671
Swing from APNI to UUP			0.86%
Swing from DUP to UUP			0.61%
Swing from APNI to DUP			0.25%
	UUP hold

Election 1997

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Party		Votes	Percentage	Change
	UUP	24,560	55.43%	-5.39%
	Alliance NI	7,635	17.23%	+4.55%
	DUP	6,005	13.55%	N/A
	SDLP	3,436	7.75%	-1.69%
	Conservative	1,212	2.74%	-6.30%
	Sinn Fein	1,110	2.51%	-4.33%
	Minor	203	0.46%	N/A
	Others	149	0.34%	N/A
Majority		16,925	38.20%
Turnout		44,310	62.21%	-5.12%
Electorate		71,225
Swing from UUP to DUP			9.47%
Swing from UUP to APNI			4.97%
Swing from APNI to DUP			4.50%
	UUP hold

Election 1992

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Party		Votes	Percentage	Change
	UUP	29,772	60.81%	-9.16%
	Alliance NI	6,207	12.68%	-1.09%
	SDLP	4,626	9.45%	+2.50%
	Conservative	4,423	9.03%	N/A
	Sinn Fein	3,346	6.83%	+0.45%
	Minor	582	1.19%	N/A
Majority		23,565	48.14%
Turnout		48,956	67.33%	+3.23%
Electorate		72,708
Swing from UUP to SDLP			5.83%
Swing from UUP to APNI			4.03%
Swing from APNI to SDLP			1.80%
	UUP hold

Election 1987

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Party		Votes	Percentage	Change
	UUP	29,101	69.97%	+10.78%
	Alliance NI	5,728	13.77%	+2.45%
	SDLP	2,888	6.94%	+0.53%
	Sinn Fein	2,656	6.39%	+2.07%
	Minor	1,215	2.92%	N/A
Majority		23,373	56.20%
Turnout		41,588	64.11%	-3.46%
Electorate		64,873
Swing from SDLP to UUP			5.13%
Swing from APNI to UUP			4.16%
Swing from SDLP to APNI			0.96%
	UUP hold

Election 1983

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Party		Votes	Percentage	Change
	UUP	24,017	59.19%	N/A
	DUP	6,801	16.76%	N/A
	Alliance NI	4,593	11.32%	N/A
	SDLP	2,603	6.42%	N/A
	Sinn Fein	1,751	4.32%	N/A
	Minor	809	1.99%	N/A
Majority		17,216	42.43%
Turnout		40,574	67.57%	N/A
Electorate		60,051

	UUP win

2029 General Election

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Seat-By-Seat Forecast

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2024 General Election Results