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 27 May 2026
This briefing covers the scale of immigration and net migration in the UK since the early 2000s and under the post-Brexit immigration system.
briefing 27 May 2026
This briefing examines the accommodation of asylum seekers in the UK.
briefing 15 May 2026
briefing 13 May 2026
commentary 05 May 2026
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24 May 2026
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 24 May 2026
Net migration: Frequently asked questions