Home Office ‘has no idea’ how many people are in UK illegally

New NAO report says government has not updated estimated figures for undocumented migrants for 15 years

Priti Patel
Home Secretary Priti Patel leaves 10 Downing Street
(Image credit: Tolga Akmen/AFP via Getty Images)

An up-to-date estimate of the number of people living illegally in the UK has not been produced by the government since 2005, according to Whitehall’s spending watchdog.

A new report from the National Audit Office (NAO) says that the last official estimate suggested that around 430,000 people were in the country with no right to remain - but notes that more recent independent research has put the figure at more than a million.

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