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Undocumented Migrants

Asked by Sir John HayesConservativeHome OfficeTabled Answered 15 October 2024UIN 7406

The question

To ask the Secretary of State for the Home Department, what recent estimate her Department has made of how many people are living in the UK illegally.

Answered by Dame Angela Eagle

By its very nature, it is not possible to know the exact size of the illegal population, or the number of people who arrive illegally, and so the Home Office does not seek to make any official estimates of the illegal population. In June 2019, the Office for National Statistics (ONS) published a note on ‘measuring illegal migration’.

The Home Office does publish statistics on detected irregular arrivals to the UK as part of the ‘Irregular migration to the UK’ quarterly statistics release. However, this does not indicate the number of irregular migrants currently in the UK.

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