{"metric":"detention_entries_by_nationality","title":"Entries to immigration detention by nationality","topic":"migration","unit":"entries","measure_type":"count","geography":"K02000001","comparison_method":"same_quarter_previous_year","latest":{"period_start":"2026-04-01","period_end":"2026-06-30","period_label":"2026 Q2","value":4897,"status":"provisional","vintage":"2026-08-27"},"comparison":{"period_label":"2025 Q2","value":5506,"vintage":"2026-08-27"},"source":{"publisher":"Home Office","publication":"Immigration system statistics: immigration detention detailed datasets","landing_url":"https://www.gov.uk/government/statistical-data-sets/immigration-system-statistics-data-tables","sheet":"Data_Det_D01","table":"Det_D01","row":"all rows","column":"Entering","raw_value":"sum of 1085 rows","file_url":"https://assets.publishing.service.gov.uk/media/6a85c4491b45e4e555421edc/immigration-detention-datasets-jun-2026.xlsx","file_sha256":"51b4d9100ad36864bec21ce0eb9467839518ebaedfa0da128b52f8a7603634bd","release_date":"2026-08-27","release_label":"Year ending June 2026"},"definition":"The number of times people entered immigration detention in each quarter, split by nationality. Entries count occurrences, not individuals.","does_not_measure":"The number of distinct people detained, how long they were held, or people in detention at a point in time.","links":{"page":"/migration/detention-entries-by-nationality","series":"/api/metrics/detention_entries_by_nationality/series","vintages":"/api/metrics/detention_entries_by_nationality/vintages"}}