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Migrants: Detainees

Question for Home Office

UIN HL14981, tabled on 15 April 2021

To ask Her Majesty's Government how many people have been held for 28 days or longer in immigration detention in the last year.

Answered on

28 April 2021

The Home Office publishes statistics on length of detention of people in detention in the ‘Immigration Statistics Quarterly Release’ Immigration statistics quarterly release - GOV.UK ( Data on length of detention of people in detention on the last day of each quarter are published in table Det_03c. Data on the length of detention of those leaving detention throughout the year, are published in Table Det_04b of the ‘Detention summary tables’ (See attached copy of the Detention Summary and Detention data sets)

Further breakdowns can be found in the Immigration detention detailed datasets Returns and detention datasets - GOV.UK (

Figures on people in detention at the end of March 2021 will be published on 27 May 2021.

Information on future Home Office statistical release dates can be found in the ‘Research and statistics calendar’. immigration - Research and statistics - GOV.UK (

Answered by

Home Office