Elections
This section explains the different types of parliamentary elections and the constituency system.
General elections
When Parliament is dissolved every seat in the House of Commons becomes vacant and a general election is held.
By-elections
A by-election takes place when a seat in the House of Commons becomes vacant between general elections
Parliamentary constituencies
The UK is currently divided into 646 parliamentary constituencies, each of which is represented by one MP in the House of Commons.
Also in this section
Related information
Glossary
Constituency: This is a geographical area of the UK which is represented by one MP in the House of Commons.
Electoral Commission: The Electoral Commission is an independent body, accountable directly to the UK Parliament, that regulates elections in the UK, promotes voter awareness and works to build confidence in the electoral process.
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Living Heritage
Learn how the right to vote has been extended to different sectors of society over the years
