{"title":"Detention welfare series, quarterly","source":"Immigration Enforcement data: April to June 2026 (Home Office, Migration transparency data)","sourceUrl":"https://www.gov.uk/government/statistical-data-sets/migration-transparency-data","period":"2015 Q1 to 2026 Q2","asOf":"2026-09-02","licence":"https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/","columns":["quarter","rule35_reports","use_of_force_incidents","attempted_escorted_returns","pregnant_women_detained"],"rows":[["2015 Q1",458,95,1698,null],["2015 Q2",425,142,1959,null],["2015 Q3",637,116,1887,null],["2015 Q4",573,125,2138,null],["2016 Q1",658,125,2194,null],["2016 Q2",832,139,2181,null],["2016 Q3",763,126,1834,12],["2016 Q4",509,164,1966,15],["2017 Q1",718,157,2057,12],["2017 Q2",684,114,1816,8],["2017 Q3",722,130,1914,20],["2017 Q4",705,116,1829,13],["2018 Q1",545,161,1866,12],["2018 Q2",666,135,1067,11],["2018 Q3",554,124,1021,8],["2018 Q4",527,121,1004,14],["2019 Q1",503,117,848,8],["2019 Q2",554,85,616,7],["2019 Q3",658,121,629,5],["2019 Q4",584,112,618,3],["2020 Q1",584,92,491,5],["2020 Q2",50,0,292,0],["2020 Q3",215,23,315,2],["2020 Q4",523,30,392,2],["2021 Q1",148,5,252,3],["2021 Q2",204,15,533,3],["2021 Q3",337,17,443,0],["2021 Q4",210,19,430,1],["2022 Q1",291,17,619,1],["2022 Q2",545,23,468,1],["2022 Q3",570,28,532,2],["2022 Q4",470,39,551,3],["2023 Q1",477,40,689,1],["2023 Q2",631,35,969,1],["2023 Q3",591,44,926,1],["2023 Q4",610,41,1177,1],["2024 Q1",699,44,1120,5],["2024 Q2",701,43,1065,3],["2024 Q3",523,67,1037,3],["2024 Q4",677,127,1199,2],["2025 Q1",675,107,1150,8],["2025 Q2",653,97,1242,4],["2025 Q3",659,161,1777,5],["2025 Q4",774,158,2166,2],["2026 Q1",901,170,1412,2],["2026 Q2",1048,210,1563,2]]}