Home Office · XLSX · quarterly · UK
Immigration system statistics: people leaving immigration detention dataset
Reads Data_Det_D03: people leaving immigration detention by quarter x nationality x sex x age x reason for leaving (Bailed (SoS), Bailed (IJ), Returned, Granted LTE/LTR, Other) x length of detention, 2010 Q1 onwards. Data for 2026 Q1 onwards is provisional.
- Official page
- https://www.gov.uk/government/statistical-data-sets/immigration-system-statistics-data-tables
- Authority
- First-party official statistics · OGL-UK-3.0
- Latest release
- Year ending June 2026, published 27 August 2026
- Next scheduled
- 26 November 2026 (official date)
- Extractor
- ingest/ukdata/extractors/ho_detention_dataset.py
Metrics read from this publication
| Metric | Sheet · table | Row label | Unit |
|---|---|---|---|
| People leaving immigration detention | Data_Det_D03 · Det_D03 | all rows | people |
| People leaving immigration detention by reasonbreakdown by reason for leaving detention | Data_Det_D03 · Det_D03 | all rows | people |
| People leaving immigration detention by length of detentionbreakdown by length of detention | Data_Det_D03 · Det_D03 | all rows | people |
Releases ingested
| Published | Release | Observations | File |
|---|---|---|---|
| 27 August 2026 | Year ending June 2026 | 1,380 | det.xlsx sha256 51b4d9100ad36864… |
API: detention_leaving