Who won the South Antrim constituency election in 2019?

Democratic Unionist Party gained South Antrim constituency at the 12 December 2019 General Election, taking the seat from Ulster Unionist Party. Democratic Unionist Party won with a majority of 2,689 votes (6.3%). Turnout was 59.9%.

What was the swing in South Antrim at the 2019 election?

The swing in South Antrim was 11.9% from UUP to DUP — a modest shift towards DUP. 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 Antrim in 2019 is shown in the statistics above.

DUP GAIN from UUP: South Antrim — 2019 General Election Result

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DUP GAIN from UUP: South Antrim — 2019 General Election Result | WIN326 — VPNews Elections

Democratic Unionist Party gained South Antrim constituency from Ulster Unionist Party on 12 December 2019. The Democratic Unionist Party majority was 2,689 votes (6.3%). Turnout was 59.9%. The swing was 11.9% from UUP to DUP.

Previous Results — South Antrim Constituency

Election	Winner	Majority	Turnout	Swing
4 July 2024 general	UUPGAIN	7,512	55.7%	+11.9%
8 June 2017 general	DUPGAIN	3,208	63.3%	+12.5%

Frequently Asked Questions — South Antrim Constituency

Who won the South Antrim constituency election in 2019?: Democratic Unionist Party gained South Antrim constituency at the 12 December 2019 General Election, taking the seat from Ulster Unionist Party. Democratic Unionist Party won with a majority of 2,689 votes (6.3%). Turnout was 59.9%.
What was the swing in South Antrim at the 2019 election?: The swing in South Antrim was 11.9% from UUP to DUP — a modest shift towards DUP. 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 Antrim in 2019 is shown in the statistics above.