National Insurance Number Allocations to Adult Overseas Nationals entering the UK
Supporting Information page
The following documents provide a suite of further information on the derivation, quality assurance processes, uses and analytics relating to National Statistics on National Insurance Numbers allocated to adult overseas nationals.
2) National Insurance number allocation and data collection process 
3) Quality assurance action plan review
4) ONS paper on uses of DWP administration sources
5) Link to previous annual analytical reports:
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