The Home Office publishes data on numbers of returns in the ‘Immigration System Statistics Quarterly Release’. Data on returns are published in table Ret_D01 of the ‘Returns detailed datasets’. Information on how to use the dataset can be found in the ‘Notes’ page of the workbook. The latest data relates to end March 2023.
Provisional data on returns up to the end of August 2023 are also published in table IMB_05 of the ‘Statistics relating to the Illegal Migration Act data tables’.
Information on future Home Office statistical release dates can be found in the ‘Research and statistics calendar’.