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 07 Nov 2025
This briefing looks at the children of migrants, including those born abroad and those born in the UK to foreign-born parents
briefing 30 Oct 2025
commentary 22 Oct 2025
report 17 Oct 2025
commentary 30 Sep 2025
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10 Nov 2025
22 Oct 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 10 Nov 2025
How many migrants in the UK have settlement?
This commentary estimates the number of non-EU citizens who currently have settlement, also known as indefinite leave to remain (ILR), an immigration status which enables migrants to live in the UK indefinitely.