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Statistical data set

Returns and detention - Historic datasets

Historic listing of the detailed returns and detention datasets.

This page contains data for the immigration system statistics up to March 2023.

For current immigration system data, visit ‘Immigration system statistics data tables’.

Immigration detention

Immigration detention (MS Excel Spreadsheet, 9.8 MB)
Det_D01: Number of entries into immigration detention by nationality, age, sex and initial place of detention
Det_D02: Number of people in immigration detention at the end of each quarter by nationality, age, sex, current place of detention and length of detention
Det_D03: Number of occurrences of people leaving detention by nationality, age, sex, reason for leaving detention and length of detention
This is not the latest data

Returns

Returns (MS Excel Spreadsheet, 14.4 MB)
Ret_D01: Number of returns from the UK, by nationality, age, sex, type of return and return destination group
Ret_D02: Number of returns from the UK, by type of return and country of destination
Ret_D03: Number of foreign national offender returns from the UK, by nationality and return destination group
Ret_D04: Number of foreign national offender returns from the UK, by destination
This is not the latest data