National Insurance number (NINo) allocations statistics

This briefing summarises trends in National Insurance number applications from London residents since 2016. It examines the most frequent nationalities represented in recent data, and compares these nationalities with those applying from the whole of the UK.

Data and Resources

NINo_briefing_int_June23.html
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nino_LondonandUK_region_toMar23.csv
Numbers of NINo registrations in the UK by global region, since the second...
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nino_london_NumberAndPercent_top12_Dec19 and Mar23.csv
Numbers of applications from London residents by the 12 most frequent...
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nino_london_uk_NumberAndPercent_top12_Mar23.csv
Numbers of applications from London residents, and UK residents, for the same...
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Additional Info

Field	Value
Source	https://data.london.gov.uk/dataset/national-insurance-number-nino-allocations-statistics-2w4g8
Last Updated	February 11, 2026, 13:46 (UTC)
Created	October 22, 2025, 12:06 (UTC)
GUID	2w4g8
Language
dcat_issued	2023-05-17T16:07:02.000Z
dcat_modified	2023-06-06T08:30:34.000Z
harvest_object_id	ddb6e600-d7e4-4d17-815a-320297ed8be0
harvest_source_id	a3e8ccdb-5c53-4b4b-9db7-ae23b3e3e29f
harvest_source_title	london