Statistical data set

Returns and detention datasets

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

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

Published 28 November 2019
Last updated 24 August 2023 + show all updates
  1. This statistical dataset page has been superseded by the Immigration system statistics data tables page [https://www.gov.uk/government/statistical-data-sets/immigration-system-statistics-data-tables].

  2. Updated to accompany the publication of 'Immigration system statistics, year ending March 2023'

  3. Updated to accompany the publication of 'Immigration system statistics, year ending December 2022'.

  4. Updated to accompany the publication of 'Immigration statistics, year ending September 2022'.

  5. Updated to accompany the publication of 'Immigration statistics, year ending June 2022'.

  6. Updated to accompany the publication of 'Immigration statistics, year ending March 2022'.

  7. Updated to accompany the publication of 'Immigration statistics, year ending December 2021'.

  8. Added ‘Ret_D03: Number of foreign national offender returns from the UK, by nationality’ to the returns section.

  9. Updated to accompany the publication of 'Immigration statistics, year ending September 2021'.

  10. Updated to accompany the publication of 'Immigration statistics, year ending June 2021'.

  11. Updated to accompany the publication of 'Immigration statistics, year ending March 2021'.

  12. Updated to accompany the publication of 'Immigration statistics, year ending December 2020'.

  13. Updated to accompany the publication of 'Immigration statistics, year ending September 2020'.

  14. Updated to accompany the publication of 'Immigration statistics, year ending June 2020'.

  15. Updated to accompany the publication of 'Immigration statistics, year ending March 2020'.

  16. Updated to accompany publication of 'Immigration statistics, year ending December 2019'.

  17. First published.