The Commons Library publishes politically impartial and rigorously fact-checked policy analysis and statistical research on this site. Here you can find a variety of different research formats that are free for everyone to read. You can also find details about how to request information and bespoke research from our subject specialists (for MPs and MPs’ staff only).

This week

Find documents related to this week’s business in the House of Commons. This page provides links to relevant policy analysis and statistical research from the Commons Library, Committee reports, POST notes as well as documents produced by government departments or other agencies.


Insights are quick-read articles on current affairs. These are published in line with topical events and provide need-to-know information on local and global topics.

Research briefings

Research briefings provide in-depth analysis of bills, legislation, policy and topical issues. Read our quick summaries online and download the corresponding PDF documents to access our full analysis. 

Debate packs

Debate packs are produced in relation to debates taking place in the Commons Chamber and in Westminster Hall. Debate packs contain background information, statistics, parliamentary and press material, and suggested further reading.

Local data

Browse a range of constituency data resources. View headline statistics with our constituency statistics dashboards or explore our more detailed reports and research briefings.

Resources for constituency caseworkers

Read our FAQs and explainers to help caseworkers with a range of constituent queries. 

The Brexit Hub

Find research and analysis from Parliament’s libraries and committees on issues related to leaving the European Union (you will be directed to a page on the Parliamentary website).

Parliament: facts and figures

Find data on various topics relating to Parliament and Government. This series of publications contains facts and figures dating back hundreds of years to the present day. Topics include legislation, MPs, select committees, debates, divisions, and Parliamentary procedure (you will be directed to a page on the Parliamentary website).


Our first podcast series offers an impartial take on issues in Westminster and where you live. Each week we tackle a different topic including housing, devolution in Northern Ireland, defence equipment, Universal Credit and more.

Requests for information and research

As well as publishing research, our subject specialists answer confidential information requests and conduct bespoke analysis for MPs and their staff. These include requests to analyse legislation, examine policies and gather constituency-level statistics.

If you are an MP or work for an MP, you can find out how to submit a request (you will be directed to a page on the Parliamentary intranet).