Frequently Asked Questions — Glasgow South West Constituency

Who won the Glasgow South West constituency election in 2019?

Scottish National Party gained Glasgow South West constituency at the 12 December 2019 General Election, taking the seat from Labour. Scottish National Party won with a majority of 4,900 votes (13.3%). Turnout was 57.1%.

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

The swing in Glasgow South West was 11.3% 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 Glasgow South West in 2019 is shown in the statistics above.