Frequently Asked Questions — Carmarthen West and South Pembrokeshire Constituency

Who won the Carmarthen West and South Pembrokeshire constituency election in 2017?

Conservative held Carmarthen West and South Pembrokeshire constituency at the 8 June 2017 General Election. Conservative won with a majority of 3,110 votes (7.4%). Turnout was 72.1%.

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 Carmarthen West and South Pembrokeshire in 2017 is shown in the statistics above.