Voting systems in the UK
This briefing provides an overview of the different voting systems currently used for elections in the UK. It also examines the pros and cons of different systems.

This Commons Library guide summarises a selection of our EU referendum related briefings. It describes the referendum process and considers the potential implications of either result following June’s vote.
A short guide to the EU referendum (326 KB , PDF)
On Thursday June 23 a referendum will be held on the UK’s membership of the European Union.
Although some will have decided long ago how they intend to vote, others are searching for authoritative, impartial information to help them make up their minds. This is especially important when the subject is so emotive, as it is in this case.
This is where we come in. The House of Commons Library research service provides MPs with impartial, factual, quality information and analysis, on all subjects, to help them do their jobs well. We rigorously scrutinise the information we include in our briefing notes to make sure that it is true and useful.
The kind of detailed analysis we specialise in is difficult to distil into bite size, particularly where the issues are as wide ranging and complex as they are here.
This briefing summarises some of the issues that voters may want to consider when deciding where they will put their cross. In particular:
The content is taken from a selection of the briefings that the House of Commons Library has published on the issues related to the EU.
We have published many detailed briefings over the past months relating to the referendum, and will keep updating and publishing new papers as the polling day draws closer.
You can access everything we’ve published on the debate on our dedicated EU referendum page on the UK Parliament website.
As well as our papers, you will also find reading lists we’ve pulled together and the latest polling information.
There are lots of other good places to go for information on the EU. We think you’ll find the following pages useful:
If you have any comments on this or any of our briefings please email papers@parliament.uk
A short guide to the EU referendum (326 KB , PDF)
This briefing provides an overview of the different voting systems currently used for elections in the UK. It also examines the pros and cons of different systems.
The Absent Voting (Elections in Scotland and Wales) Bill would allow for the alignment of rules on absent voting arrangements between reserved and devolved elections in Scotland and Wales.
Election rules state elections must be held using a set timetable. This briefing explains the timetable for by-elections to the UK Parliament.