Home Office · Immigration system statistics: people leaving immigration detention dataset · 5 values
People leaving immigration detention by reason for leaving detention
The number of people who left immigration detention in each quarter, split by why they left — returned from the UK, bailed by the Secretary of State, bailed by an immigration judge, granted leave to enter or remain, or other.
latest 12 months to 2026 Q2; 4 quarters summed · total 21,517 people · published 27 August 2026
Returned is the largest reason for leaving detention at 46% of the total.
| Reason for leaving detention | Latest 12 months | Share | Previous 12 months | Change |
|---|---|---|---|---|
| Returned | 9,888 | 46% | 9,538 | ▲ 3.7% |
| Bailed (SoS) | 7,206 | 33.5% | 6,619 | ▲ 8.9% |
| Bailed (IJ) | 3,702 | 17.2% | 4,678 | ▼ 20.9% |
| Other | 601 | 2.8% | 805 | ▼ 25.3% |
| Granted LTE/LTR | 120 | 0.6% | 144 | ▼ 16.7% |
Source
- Dataset
- Immigration system statistics: people leaving immigration detention dataset · sheet Data_Det_D03
- Rows
- all rows; values are the sum of the published rows for each reason for leaving detention and period.
- Caveat
- What happened after release on bail, or the share of all detainees who are eventually removed — the same person can be detained and released more than once.
- Parent metric
- People leaving immigration detention
- API
- /api/metrics/detention_leaving_by_reason/vintages