The Common Travel Area and the special status of Irish citizens in the UK
The UK and Ireland have a long-running agreement on free movement and residence for each other's citizens.
Local data on migration: What is available?
Limited local data is available on international migration in the UK. Instead, most statistics are published at national level.
British citizenship by naturalisation
How can people who move to and settle in the UK become British citizens?
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Research Briefing
Cost of naturalisation as a British citizen, 1975-2026
Inflation-adjusted data for the cost of becoming a British citizen by naturalisation over the past 50 years.
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Research Briefing
Can a British citizen travel to the UK using a non-British passport?
The Home Office advises British citizens who have dual nationality to use a British passport or apply for a certificate of entitlement to the right of abode for travel to the UK.
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Research Briefing
Constituency casework: Immigration, asylum and nationality
Nationality, immigration and asylum are reserved policy areas. MPs’ offices must use their judgement to decide how involved to become in individual cases.
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Constituency casework,Research Briefing
British citizenship and passports
General guidance for MPs' offices in all parts of the UK on dealing with questions about British citizenship and passports.
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Research Briefing
The Privy Council: history, functions and membership
A briefing paper on the history, functions and membership of the Privy Council
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Research Briefing
Windrush Day 2026
A general debate on Windrush Day is scheduled to take place in the House of Commons Chamber on 25 June 2026.
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Research Briefing
Windrush Compensation Scheme
A programme for financially compensating victims of the Windrush scandal has been running for seven years and has paid out £127 million so far.
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Constituency casework,Research Briefing
Problems getting a visa to visit the UK
Common reasons the Home Office may refuse a visitor visa application, how applicants can prove they are a genuine visitor, and challenging a refusal.
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Research Briefing
How can people prove their identity?
This briefing addresses some frequently asked questions from constituents about the types of recognised UK identity documents people may apply for and the contexts in which proof of identity or age is required.
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Research Briefing
International recruitment in the NHS workforce
The NHS uses international recruitment to fill staffing vacancies. This briefing summarises numbers and trends in international recruitment of the NHS workforce, concerns and recent policy.
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Research Briefing
UK immigration fees
UK visa fees and charges have increased significantly since the 2000s. The revenue helps fund the Home Office and NHS but there are complaints that rates are too high.
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Research Briefing
The Medical Training (Prioritisation) Bill 2024-2026
The bill would prioritise UK medical graduates and certain other groups for NHS foundation and speciality training from 2026.
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