{"metric":"prison_population_by_age","unit":"people","geography":"K04000001","note":"Every published estimate for every period, oldest release first. A period appearing more than once was revised.","vintages":[{"period_start":"2025-06-01","period_end":"2025-06-30","period_label":"June 2025","value":87334,"status":"final","vintage":"2026-07-30","release_label":"Prison population as at 30 June 2026","source":{"sheet":"Table_1_Q_6","table":"Table 1.Q.6","row":"Sex=Male and female; Custody type group=All custody types; Age band=All ages","column":"30 June 2025","raw_value":"87334"}},{"period_start":"2025-09-01","period_end":"2025-09-30","period_label":"September 2025","value":87465,"status":"final","vintage":"2026-07-30","release_label":"Prison population as at 30 June 2026","source":{"sheet":"Table_1_Q_6","table":"Table 1.Q.6","row":"Sex=Male and female; Custody type group=All custody types; Age band=All ages","column":"30 Sept 2025","raw_value":"87465"}},{"period_start":"2025-12-01","period_end":"2025-12-31","period_label":"December 2025","value":85613,"status":"final","vintage":"2026-07-30","release_label":"Prison population as at 30 June 2026","source":{"sheet":"Table_1_Q_6","table":"Table 1.Q.6","row":"Sex=Male and female; Custody type group=All custody types; Age band=All ages","column":"31 Dec 2025","raw_value":"85613"}},{"period_start":"2026-03-01","period_end":"2026-03-31","period_label":"March 2026","value":87342,"status":"final","vintage":"2026-07-30","release_label":"Prison population as at 30 June 2026","source":{"sheet":"Table_1_Q_6","table":"Table 1.Q.6","row":"Sex=Male and female; Custody type group=All custody types; Age band=All ages","column":"31 Mar 2026","raw_value":"87342"}},{"period_start":"2026-06-01","period_end":"2026-06-30","period_label":"June 2026","value":85858,"status":"final","vintage":"2026-07-30","release_label":"Prison population as at 30 June 2026","source":{"sheet":"Table_1_Q_6","table":"Table 1.Q.6","row":"Sex=Male and female; Custody type group=All custody types; Age band=All ages","column":"30 June 2026","raw_value":"85858"}}]}