Frequently Asked Questions — Perth and North Perthshire Constituency

Who won the Perth and North Perthshire constituency election in 2015?

Scottish National Party held Perth and North Perthshire constituency at the 7 May 2015 General Election. Scottish National Party won with a majority of 9,641 votes (17.8%). Turnout was 74.8%.

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 Perth and North Perthshire in 2015 is shown in the statistics above.