{"title":"Immigration detention by year","source":"Immigration detention summary tables, year ending March 2026 (Home Office)","sourceUrl":"https://www.gov.uk/government/statistical-data-sets/immigration-system-statistics-data-tables","period":"calendar years 2010 to 2025","asOf":"2026-08-09","licence":"https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/","columns":["year","entering","leaving","in_detention_at_end"],"rows":[["2010",25904,25959,2525],["2011",27089,27181,2419],["2012",28905,28575,2685],["2013",30418,30030,2796],["2014",30364,29674,3462],["2015",32447,33226,2607],["2016",28903,28677,2738],["2017",27348,28255,2545],["2018",24773,25499,1784],["2019",24480,24544,1637],["2020",14867,15510,910],["2021",24638,24362,1179],["2022",20873,20919,1159],["2023",18398,17838,1782],["2024",20774,20582,1940],["2025",22996,22794,2090]]}