Australia does not have one single criminal law system for every offence. Each state and territory has its own criminal laws and courts, while Commonwealth criminal law applies to matters within federal responsibility. Criminal offences may be less serious summary offences or more serious indictable offences. The classification affects which court hears the matter, how the case proceeds, and which penalties may be available. A case often begins with an investigation, questioning, arrest, charge, or court notice. Police powers and individual rights depend on the jurisdiction and circumstances, so a person should not assume that rules seen in another country or state apply. After a charge, the accused may be released, granted bail, or kept in custody. Bail is not a finding of innocence or guilt; it is a decision about release while the case is unresolved. Bail conditions must be obeyed. The prosecution must prove the elements of the offence to the criminal standard. The accused may dispute the facts, challenge whether the legal elements are established, or rely on a recognised defence where the evidence supports it. Many matters are resolved by a plea, while contested cases proceed to a hearing or trial. A guilty plea has major consequences and should be entered only after the charge, evidence, available defences, and likely effects are understood. If guilt is established, the court considers an appropriate sentence. Possible outcomes can include a fine, community-based order, supervision, licence consequence, compensation-related order, or imprisonment, depending on the offence and jurisdiction. A criminal matter can affect employment, travel, licences, family life, and immigration status. Young people are generally dealt with in a specialised youth justice system that places particular weight on age and rehabilitation.
Criminal law in Australia
Criminal law in Australia defines offences, police powers, court procedures, and possible penalties. Most criminal cases are governed by state or territory law, while federal law covers particular national matters. A person accused of an offence is presumed innocent unless guilt is proved according to law.
Tip
If police contact you about an alleged offence, stay calm, confirm whether you are free to leave, and seek legal advice before making important decisions. Keep every charge sheet, bail document, court notice, and piece of potential evidence. Attend court and obey all conditions unless a court formally changes them.

