{"metric":"prison_operational_capacity","title":"Prison useable operational capacity","unit":"places","geography":"K04000001","publisher":"Ministry of Justice","publication":"Prison population: weekly estate figures","publication_url":"https://www.gov.uk/government/publications/prison-population-weekly-estate-figures-2026","licence":"Contains public sector information licensed under the Open Government Licence v3.0.","series":[{"period_label":"Week beginning 17 August 2026","period_start":"2026-08-17","period_end":"2026-08-23","value":88921,"status":"final","release_label":"Week of 17 August 2026","release_date":"2026-08-17"},{"period_label":"Week beginning 24 August 2026","period_start":"2026-08-24","period_end":"2026-08-30","value":88937,"status":"final","release_label":"Week of 24 August 2026","release_date":"2026-08-24"}]}