New census data shows that about 21,000 people who moved to the UK before 1971 have neither a British passport nor a passport from the country where they were born, giving the strongest picture so far of the possible scale of the Windrush scandal.

The data reveals the number of people who may experience difficulty in proving that they are in the UK legally.

About 5,200 of the people without passports were born in Caribbean countries, according to the data, suggesting there may be many more non-Windrush people struggling to prove they are not illegal immigrants.

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