Citizenship has been revoked in one case. It was considered by my right hon. Friend that this was conducive to the public good. The case was terrorism-related.
Those applying for naturalisation as British citizens are expected to demonstrate sufficient knowledge of English and of Life in the United Kingdom. This can be demonstrated by either passing a Life In the UK Test or by successfully completing an approved ESOL with citizenship course. Applicants can also claim exemption from the requirement on the grounds of age or long term physical or mental illness.
Nobody has been granted British citizenship by naturalisation since this requirement was introduced without providing evidence that the requirement is satisfied or by being granted exemption from the requirement.