Country

Justice and public safety in Australia

Australia is a federation in which the states retain residual power and write their own criminal law — there is no national criminal code. Its distinctive feature for this platform is a second instance of contract policing: the Australian Capital Territory runs no police of its own, and the Commonwealth Australian Federal Police delivers its community policing under an arrangement, while the Northern Territory runs its own force.

Fact-checkedSafety review clearedLast updated 26 July 2026Last reviewed 26 July 2026

Institutional facts on these pages were checked against their sources on 26 July 2026. Where a cited provision carries a scheduled change, the page states the date.

The institutions come in Commonwealth and state/territory pairs. Policing is the Commonwealth AFP alongside the state and territory forces. Prosecution is the Commonwealth Director of Public Prosecutions alongside the state and territory DPPs. The courts run in a federal system — the High Court of Australia, the Federal Court — alongside each state and territory's own courts, which also exercise federal jurisdiction. And corrections are run entirely by the states and territories; there is no Commonwealth prison system. The module pages take each in turn.

Jurisdictions modelled

A territory can exist administratively without being a separate legal jurisdiction. This table records, for each modelled tier and territory, whether it has its own arrangement for a function, whether the function is organised nationally, or whether we have simply not researched it.

Functional scope of each modelled Australia jurisdiction
Jurisdiction	Level	Courts	Prosecution	Policing
Commonwealth of Australia	federal	shared	shared	shared
New South Wales	state	own	own	own
Australian Capital Territory	territory	own	own	contracted
Northern Territory	territory	own	own	own

unknown means not researched. It is never a synonym for none: an unresearched territory does not inherit the metropolitan arrangement.

What has not been researched

These areas have no page. That is a statement about our research, not about Australia: each of these institutions exists, and we have simply not established enough from primary sources to write about it responsibly.

Forensic systemNot researched: Forensic science in Australia is delivered through separate state and territory forensic services, and has not been read to the standard required. Forensics is a safety-sensitive section where an under-sourced description is specifically forbidden.
Border and customsNot researched: Border and customs functions in Australia are administered by the Australian Border Force within the Home Affairs portfolio, alongside the AFP, and could not be distinguished to the required standard here. It is better absent than approximated.
Oversight and accountabilityNot researched: Police and integrity oversight in Australia is non-uniform: each state and territory has its own oversight and anti-corruption bodies, and the Commonwealth has its own (including the National Anti-Corruption Commission within federal scope). Presenting a single national oversight picture would imply a uniformity that does not exist, and the state and territory bodies were not researched to the required standard.
Institutional historyNot researched: Australian institutional history — colonisation, federation in 1901, and above all the justice system's treatment of Aboriginal and Torres Strait Islander peoples, including deaths in custody and the findings of royal commissions — cannot be written responsibly from general knowledge and requires careful, well-sourced treatment not undertaken here.
Institutional timelineNot researched: A timeline requires each milestone to carry its own verified source and date. The dated facts established here — federation (1901), the AFP Act (1979), and the ACT and NT self-government Acts (1988 and 1978) — are only a beginning; a responsible timeline needs primary sources for each entry, which were not gathered.

Uncertainty

What we could not establish

The Federal Register of Legislation and some agency sites serve their text through a single-page application or block automated access; facts resting on those pages were obtained by search retrieval of the official page and are stated as sourced rather than quoted verbatim.
The forensic system, border and customs arrangements, external oversight machinery and institutional history have not been researched to the required standard and are not described.
No individual state or territory has been researched beyond the constitutional and arrangement structure; New South Wales, the ACT and the Northern Territory appear as jurisdiction samples. The justice system's relationship with Aboriginal and Torres Strait Islander peoples is a major subject not treated here.

Sources

Commonwealth of Australia Constitution Act (the Australian Constitution)
Parliament of Australia (aph.gov.au) / Federal Register of Legislation · Legislation · 1901-01-01 · link verified 2026-07-26
The founding instrument, read verbatim from the official Parliament of Australia consolidated PDF. Supports: s.51, the ENUMERATED legislative powers of the Commonwealth ('The Parliament shall ... have power to make laws for the peace, order, and good government of the Commonwealth with respect to' 39 heads) — there is NO general criminal-law head; s.107 (Saving of Power of State Parliaments): 'Every power of the Parliament of a Colony which has become or becomes a State, shall, unless it is by this Constitution exclusively vested in the Parliament of the Commonwealth or withdrawn from the Parliament of the State, continue' — so residual power is RESERVED to the States (the US model, the inverse of Canada); s.71 (the judicial power of the Commonwealth vested in the High Court of Australia and other courts); s.77(iii) (the Commonwealth may invest a State court with federal jurisdiction); and s.122 (the territories power). Establishes that criminal law is largely a State/Territory matter with no national code. WAVE 20 ADDITION. Read from the same Federal Register of Legislation text. Supports Commonwealth of Australia Constitution Act, s. 51(vi): “(vi.) The naval and military defence of the Commonwealth and of the several States, and the control of the forces to execute and maintain the laws of the Commonwealth:”. Supports Commonwealth of Australia Constitution Act, s. 61: “The executive power of the Commonwealth is vested in the Queen and is exerciseable by the Governor-General as the Queen's representative, and extends to the execution and maintenance of this Constitution, and of the laws of the Commonwealth.”. Supports Commonwealth of Australia Constitution Act, s. 119: “The Commonwealth shall protect every State against invasion and, on the application of the Executive Government of the State, against domestic violence.”. Cited for the constitutional footing of Commonwealth defence and protective power and for the State-application condition in s. 119. It supports no claim about State or Territory emergency law, none of which was read, and no claim about any other country.