{"metric":"prison_population_foreign_nationals","title":"Foreign national prison population","topic":"crime","unit":"people","measure_type":"stock","geography":"K04000001","comparison_method":"year_on_year","latest":{"period_start":"2026-06-01","period_end":"2026-06-30","period_label":"June 2026","value":10134,"status":"final","vintage":"2026-07-30"},"comparison":{"period_label":"June 2025","value":10772,"vintage":"2026-07-30"},"source":{"publisher":"Ministry of Justice","publication":"Offender management statistics quarterly: prison population","landing_url":"https://www.gov.uk/government/collections/offender-management-statistics-quarterly","sheet":"Table_1_Q_9","table":"Table 1.Q.9","row":"Nationality group=Foreign nationals; Custody type group=All custody types","column":"30 June 2026","raw_value":"10134","file_url":"https://assets.publishing.service.gov.uk/media/6a69e0c216bc92f51e1a430f/prison-population-30-June-2026.ods","file_sha256":"9f832c04e75831f86a60287515833feb4504b6a871037542a6d7319cbe8e4c96","release_date":"2026-07-30","release_label":"Prison population as at 30 June 2026"},"definition":"The number of foreign nationals held in prisons in England and Wales, across all custody types, at the end of each quarter.","does_not_measure":"People whose nationality is not recorded, immigration status, or people detained only under immigration powers.","links":{"page":"/crime/prison-population-foreign-nationals","series":"/api/metrics/prison_population_foreign_nationals/series","vintages":"/api/metrics/prison_population_foreign_nationals/vintages"}}