Research Briefing
Statistics on smoking
In 2025, 9.8% of adults in the UK were current smokers. This is the lowest figure since the series began.
This information should not be relied upon as legal or professional advice. Read the disclaimer.
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Research Briefing
Highways (Financing) Bill 2026-27
The Highways (Financing) Bill would create a new option for private sector firms to fund the construction of large road projects and allow tolls to be charged on them.
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Research Briefing
Women elected to the House of Commons
This list reports all the women who have been elected as MPs to the House of Commons, for each election since 1918 and in the order they were sworn in.
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Research Briefing
Children and young people’s mental health: policy and services (England)
Support for children and young people’s mental health in England is provided by the NHS, schools and other settings. Government policies aim to address the rising need for support.
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Research Briefing
UK parliamentary by-elections since 1945
This list notes the number of by-elections by session since 1945-46 together with a list of the the successful candidates in by-elections since 2005.
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Research Briefing
International Law and the Chagos Archipelago
This briefing revisits the main international legal issues leading to the 2025 UK-Mauritius agreement on sovereignty over the Chagos Archipelago.
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Research Briefing
Sporting Events Bill [HL] 2026-27
The Sporting Events Bill [HL] 2026-27 had its second reading in the House of Commons on 3 September 2026. Committee stage is scheduled to begin on 20 October 2026
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Debate Pack
Debate on the UK applying to join the European Union
A Westminster Hall debate, relating to the e-petition on the UK re-joining the EU, is scheduled for 12 October 2026. The debate will be led by Tony Vaughan MP.
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Research Briefing
Courts and Tribunals Bill 2026-27: Progress of the bill
The Courts and Tribunals Bill 2026-27 is passing through Parliament. It includes proposals to restrict the use of jury trials in certain criminal cases.
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Research for upcoming debates
Research to support debates and legislation, made for members of Parliament and avaliable to the public
More research
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Data
An overview of the data produced by the Commons Library. Find local-level data, Parliament and elections data, and economic data.
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Casework
FAQs and explainers produced by Commons Library researchers to help caseworkers with a range of constituent queries.
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All briefings
Impartial Commons Library briefings going back to 1993, covering parliamentary bills, Commons debates, topical issues and policy.
