Migration
Immigration data from DWP and Home Office
NINo Registrations by Nationality
National Insurance Number allocations to overseas nationals
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Entry Clearance Visas Granted
Visa grants by type (excluding visitor and transit visas), 2014–2025
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Source: Home Office — Immigration system statistics (OGL)
Asylum
Claims, decisions, and backlog from Home Office data
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Source: Home Office — Immigration system statistics (OGL)
The UK's Immigration Story
Top nationalities registering for National Insurance, year by year
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Source: DWP Stat-Xplore — NI Number registrations to adult overseas nationals (OGL)