Immigration detention in Australia
policy and practice of government of Australia

The Australian government detains non-citizens under the control of the Department of Home Affairs, principally through the Australian Border Force (ABF). Detention is mandatory: section 189 of the Migration Act 1958 provides that any person reasonably suspected of being an unlawful non-citizen must be detained, and section 196 provides that they must be kept in detention until removed, deported or granted a visa. The regime captures both people who arrive without a valid visa and people who arrive lawfully and later become unlawful through visa expiry or cancellation, including cancellation on character grounds under section 501. No statutory time limit applies, and judicial review is limited; release generally depends on the grant of a bridging visa or on a ministerial residence determination allowing a person to live in the community.
According to the Global Detention Project, Australia operates a severe and punitive system of mandatory, indefinite detention that distinguishes neither between adults and children nor between visa violators and asylum seekers, and in which private contractors paid billions to run the centres have been repeatedly criticised for abuse and for failing to provide services. As of March 2026, Home Affairs held detainees in six immigration detention centres: Villawood, Melbourne, Brisbane, Adelaide, Yongah Hill and Perth. There are also alternative places of detention, a category that includes hotels, apartments, hospitals, aged-care facilities and mental health inpatient units. As of 31 March 2026 there were 1,096 people in detention facilities, 85.1 per cent of whom had a criminal history, and a further 84 living in the community under a residence determination; the average period of detention was 451 consecutive days, and 6.1 per cent of detainees had been held for more than five years.
Australia's offshore detention regime has drawn sustained international condemnation. Under the Pacific Solution begun in 2001 and revived in 2012, asylum seekers intercepted at sea were transferred to regional processing centres on Manus Island in Papua New Guinea and on Nauru, where the UNHCR, Amnesty International and Human Rights Watch documented harsh conditions and mistreatment.
Begin with the source’s own compact description: “Immigration detention in Australia” is policy and practice of government of Australia. The dossier treats that line as a proposition to test through Immigration, detention and Australia, not as a finished interpretation.
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The phrase “policy and practice of government of Australia” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Contemporary correspondence, administrative files and participant testimony can test how later narratives organized the event or institution. The source revision retrieved here is dated Sep 1, 2026. The linked authority identifier is Q6747897. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1958, 2026, 2001 and 2012.
Official terminology may obscure informal participation, dissent or communities documented only indirectly. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Immigration detention in Australia” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.