Parliament and elections

May 2021 elections: Results and analysis

A series of briefings on the May 2021 elections from the House of Commons Library.

A century since the Anglo-Irish Treaty

What was in the Treaty and how was it negotiated and implemented?

• Government
• Parliament

UK parliamentary by-elections since 1945

This list notes the number of by-elections by session since 1945-46 and also lists the successful candidate in by-elections since 2005.

• Elections
• UK elections

Government

Elections

Parliament

Devolution

Local government