The Migration Observatory informs debates on international migration and public policy.
Learn more about us
The Migration Observatory informs debates on international migration and public policy.
Learn more about us
Unauthorised migration in the UK
This briefing examines unauthorised migration—also known as ‘illegal immigration’ or ‘irregular migration’—in the UK.
Net migration to the UK
Covering the scale of immigration and net migration in the UK since the early 2000s
Labour’s pledges on migration: the data
Commentary explaining what the data do and do not tell us about the Labour government’s progress towards its goals as it begins implementing its plans.
briefing 19 Dec 2025
This briefing examines the relationship between migrants and the modern slavery identification and support system in the UK, known as the National Referral Mechanism (NRM).
briefing 18 Dec 2025
commentary 11 Dec 2025
briefing 05 Dec 2025
commentary 17 Nov 2025
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19 Dec 2025
Contact Us
T: +44 (0) 1865 612 375
E: migrationobservatory@compas.ox.ac.uk
Connections
This Migration Observatory is kindly supported by the following organisations.
The Migration Observatory, at the University of Oxford COMPAS (Centre on Migration, Policy and Society)
University of Oxford,
58 Banbury Road,
Oxford, OX2 6QS
commentary 19 Dec 2025
2025: Review of the year
A round up of the big moments in UK migration policy and developments from the rollercoaster that was 2025.