General election results from 1918 to 2019

This dataset presents UK general election results by constituency from 1918 onwards. It draws on several sources, described below, which may contain errors. For each constituency, the dataset includes the number of votes and vote share for different political parties, as well as the electorate and turnout. Turnout was calculated as valid votes divided by the electorate.…

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By-elections since the 2017 General Election

This Commons Library Briefing Paper sets out results of the by-elections held since the 2017 election. There were five by-elections in the two year Parliament, details can be found in the report.

Full details are presented in the associated PDF but an overview of the recent by-election results are shown below.…

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