Who won the South Down constituency election in 2015?

Social Democratic and Labour Party gained South Down constituency at the 7 May 2015 General Election, taking the seat from Sinn Féin. Social Democratic and Labour Party won with a majority of 5,891 votes (13.8%). Turnout was 56.8%.

What was the swing in South Down at the 2015 election?

The swing in South Down was 17.2% from SF to SDLP — a modest shift towards SDLP. Swing is calculated using the Butler two-party formula: the average of the change in winner's vote share and the fall in the runner-up's vote share compared to the previous election here.

What does swing mean in UK elections?

Swing measures how much support has shifted between two parties compared to a previous election. The Butler swing formula — used in British election reporting since the 1950s — takes the average of the gain in the winner's vote share and the loss in the runner-up's. A 5% swing is considered large at ward level; anything above 10% is exceptional. The swing figure for South Down in 2015 is shown in the statistics above.

SDLP GAIN from SF: South Down — 2015 General Election Result

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SDLP GAIN from SF: South Down — 2015 General Election Result | WIN326 — VPNews Elections

Social Democratic and Labour Party gained South Down constituency from Sinn Féin on 7 May 2015. The Social Democratic and Labour Party majority was 5,891 votes (13.8%). Turnout was 56.8%. The swing was 17.2% from SF to SDLP.

Previous Results — South Down Constituency

Election	Winner	Majority	Turnout	Swing
4 July 2024 general	SF	9,280	59.3%	0.0%
12 December 2019 general	SF	1,620	62.9%	0.0%
8 June 2017 general

Frequently Asked Questions — South Down Constituency

Who won the South Down constituency election in 2015?: Social Democratic and Labour Party gained South Down constituency at the 7 May 2015 General Election, taking the seat from Sinn Féin. Social Democratic and Labour Party won with a majority of 5,891 votes (13.8%). Turnout was 56.8%.
What was the swing in South Down at the 2015 election?: The swing in South Down was 17.2% from SF to SDLP — a modest shift towards SDLP. Swing is calculated using the Butler two-party formula: the average of the change in winner's vote share and the fall in the runner-up's vote share compared to the previous election here.
What does swing mean in UK elections?: Swing measures how much support has shifted between two parties compared to a previous election. The Butler swing formula — used in British election reporting since the 1950s — takes the average of the gain in the winner's vote share and the loss in the runner-up's. A 5% swing is considered large at ward level; anything above 10% is exceptional. The swing figure for South Down in 2015 is shown in the statistics above.