At least £25 million was spent by forces across England and Wales last year to deal with foreign criminals or help victims and witnesses who cannot speak English.
It is enough to put 500 extra officers on the street for a year.
The figure is a rise of almost three quarters on spending since 2004 and is further evidence of the impact immigration has had on public services.
The increase has also come over the period since the EU expanded in to Eastern Europe which resulting in hundreds of thousands of migrant workers and their families heading to the UK.
Damian Green, the shadow immigration minister who obtained the figures, said: “This reveals one more hidden cost of the failure to control immigration numbers under this Government.
“Many public services have been put under pressure by the scale of immigration, and the police are no exception.
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