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
nino_LondonandUK_region_toMar23.csv

Numbers of NINo registrations in the UK by global region, since the second...
nino_london_NumberAndPercent_top12_Dec19 and Mar23.csv

Numbers of applications from London residents by the 12 most frequent...
nino_london_uk_NumberAndPercent_top12_Mar23.csv

Numbers of applications from London residents, and UK residents, for the same...

Additional Info

Field	Value
Source	https://data.london.gov.uk/dataset/national-insurance-number-nino-allocations-statistics-2w4g8
Last Updated	July 23, 2026, 08:02 (UTC)
Created	June 24, 2026, 21:04 (UTC)