Frequently Asked Questions — Peterborough Constituency

Who won the Peterborough constituency election in 2019?

Conservative gained Peterborough constituency at the 12 December 2019 General Election, taking the seat from Labour. Conservative won with a majority of 2,580 votes (5.4%). Turnout was 65.9%.

What was the swing in Peterborough at the 2019 election?

The swing in Peterborough was 3.3% from LAB to CON — a modest shift towards CON. 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 Peterborough in 2019 is shown in the statistics above.