Question to the Home Office:

To ask Her Majesty's Government how many migrants who had entered the UK illegally were encountered by (1) port authorities, and (2) the police after passing through UK ports in each year since 2010.

The Home Office does not routinely publish this level of data on clandestine entry or attempts to enter the UK but data on clandestine detection that has been published can be found at:

https://www.gov.uk/government/publications/number-of-clandestines-detected-at-the-juxtaposed-controls-and-at-uk-ports-from-2010-to-2014