Frequently Asked Questions — Edinburgh South West Constituency

Who won the Edinburgh South West constituency election in 2019?

Scottish National Party gained Edinburgh South West constituency at the 12 December 2019 General Election, taking the seat from Labour. Scottish National Party won with a majority of 11,982 votes (23.0%). Turnout was 70.9%.

What was the swing in Edinburgh South West at the 2019 election?

The swing in Edinburgh South West was 23.4% from LAB to SNP — a modest shift towards SNP. 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 Edinburgh South West in 2019 is shown in the statistics above.