To ask the Secretary of State for the Home Department, how many and what proportion of detainees remained in immigration detention centres for longer than 28 days; what the longest recorded length of stay is; and what the (a) median and (b) inter-quartile range of length of stay was in the most recent period for which figures are available.
The Home Office publishes statistics on people in detention on the last day of each quarter in the ‘Immigration Statistics Quarterly Release’. Data on people in detention under immigration powers at 30 June 2020 by current length of detention, are published in Table Det_03c and Det_03d of the ‘Summary tables’. The ‘contents’ sheet contains an overview of all available data on detention.
In addition, the Home Office published data on people leaving detention in each quarter by length of detention in Table Det_04b of the ‘Summary tables’.
Figures on people in detention in Q3 2020 will be published on 26 November 2020. Information on future Home Office statistical release dates can be found in the ‘Research and statistics calendar’. https://www.gov.uk/government/collections/immigration-statistics-quarterly-release https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/910647/detention-summary-jun-2020-tables.xlsx https://www.gov.uk/search/research-and-statistics?content_store_document_type=upcoming_statistics&organisations%5B%5D=home-office&order=release-date-oldest https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/910647/detention-summary-jun-2020-tables.xlsx