An Overview of Immigration Detention for Unlawful Non-Citizens in Australia

Australia’s policy of mandatory detention that arose in the early-1990s continues to assert that any non-citizen in the migration zone without a valid visa must be detained (see s 189 of the Migration Act 1958 (Cth) (Act)). This includes: unauthorised arrivals (those who arrive without a visa); and authorised arrivals (those who arrive with a valid visa that later expires…
Sonia Campanaro3 July, 2025