{"metric":"prison_population_monthly_2015","title":"Prison population at month end, 2015 onwards","topic":"crime","unit":"people","measure_type":"count","geography":"K04000001","comparison_method":"previous_period","latest":{"period_start":"2026-06-01","period_end":"2026-06-30","period_label":"June 2026","value":85858,"status":"final","vintage":"2026-07-30"},"comparison":{"period_label":"May 2026","value":85921,"vintage":"2026-07-30"},"source":{"publisher":"Ministry of Justice","publication":"Offender management statistics quarterly: annual prison population tables","landing_url":"https://www.gov.uk/government/collections/offender-management-statistics-quarterly","sheet":"Table_1_A_1","table":"Table 1.A.1","row":"Male and female","column":"30 June 2026","raw_value":"85858","file_url":"https://assets.publishing.service.gov.uk/media/6a69e0e116bc92f51e1a4310/prison-population-2026.ods","file_sha256":"6a3903869a9d3b5ad672cefa20f4f36572ab1de63b10be21a57818501ea15269","release_date":"2026-07-30","release_label":"Annual prison population: 2026 (data to 30 June 2026)"},"definition":"The number of people held in prisons in England and Wales at the end of each month from June 2015, across all ages and custody types, from Table 1.A.1 of the Ministry of Justice's annual prison population tables.","does_not_measure":"The population on a Monday (the modern weekly basis), people in immigration removal centres or police cells, or prisons in Scotland and Northern Ireland.","links":{"page":"/crime/prison-population-month-end","series":"/api/metrics/prison_population_monthly_2015/series","vintages":"/api/metrics/prison_population_monthly_2015/vintages"}}