The Home Office publishes data on people entering detention in the ‘Immigration Statistics Quarterly Release’. Data on the number of people entering detention under immigration powers by quarter and nationality are published in table Det_D01 of the immigration detention detailed datasets.
Additionally, the Home Office publishes a high-level overview of the data in the ‘Summary tables’. The ‘contents’ sheet contains an overview of all available data on detention.
A statistical report Statistics relating to Covid-19 and the immigration system, May 2020, released on 28 May 2020 provides further high-level information relating to detention and Covid-19.
Figures covering the second quarter of 2020 will be released on 27 August 2020. Information on future Home Office statistical release dates can be found in the ‘Research and statistics calendar’.