Question to the Home Office:
To ask the Secretary of State for the Home Department, how many cases of (a) suspected and (b) confirmed illegal immigration have been recorded in Northern Ireland in the past five years.
The Home Office does not make estimates of the number of illegal immigrants in the UK.
Information about the number of illegal migrants in Northern Ireland or using the Northern Ireland border is not available in our published data.
Our published national data on enforcement is available at the following link and includes data on detected irregular arrivals to the UK: Immigration system statistics, year ending March 2025 - GOV.UK.