Who is eligible to vote in Australian federal elections

The short answer

is eligible to vote in Australian federal elections

To be eligible to vote in Australian federal elections you must be an Australian citizen aged 18 years or older. You must have lived at your residential address for at least one month before you enrol. Certain people are not eligible, including those serving a prison sentence of three years or more, people convicted of treason or treachery who have not been pardoned, and people who are of unsound mind and incapable of understanding the nature and significance of enrolment and voting. The Australian Electoral Commission administers enrolment under the Commonwealth Electoral Act 1918, which sets out all eligibility requirements. If you are 16 or 17 you can provisionally enrol so that you are automatically added to the roll when you turn 18. Once enrolled, voting is compulsory for all eligible Australian citizens.

This guide explains the federal position first. State, territory and local elections can use different rules, dates and ballot systems, so the commission named on your election material is the final operational source.

The useful question is not only “what is the rule?” but also “who administers it, which document controls it, and when might it change?” That distinction prevents an accurate general explanation from becoming wrong advice in a particular election, chamber or policy setting.

Evidence review

The basic eligibility test

The starting point for federal enrolment eligibility is set out in section 93 of the Commonwealth Electoral Act 1918. To enrol, a person must be at least 18 years of age and an Australian citizen. The AEC also requires that a person has lived at their current residential address for at least one month before lodging an enrolment application. This residency requirement ensures that voters are allocated to the correct electoral division, which is the geographic area they will vote in for the House of Representatives. The basic test also applies to British subjects who were on the Australian electoral roll immediately before 26 January 1984 — a legacy provision preserved by the Act that recognises historic arrangements before Australian citizenship law was fully separated from British subject status. For most Australians born after that date, citizenship is the essential criterion alongside the age requirement.

Evidence review

Citizenship and the roll

Australian citizenship is the foundation of federal voting rights. The AEC verifies citizenship through documentary evidence when a person enrols, which may include an Australian birth certificate, an Australian passport, or a citizenship certificate. Dual citizens are eligible to vote — Australia does not restrict voting rights based on holding multiple citizenships, although dual citizens are generally ineligible to sit in Parliament under section 44 of the Constitution. New citizens become eligible immediately upon receiving their citizenship, and the AEC works with the Department of Home Affairs to invite new citizens to enrol at citizenship ceremonies. The AEC also cross-references enrolment data with other government records to maintain the accuracy of the electoral roll, removing the names of persons who are no longer Australian citizens or who have died.

Evidence review

Age requirements and provisional enrolment

The minimum voting age in Australia is 18 years. However, the Commonwealth Electoral Act provides for a system of provisional enrolment that allows Australian citizens aged 16 or 17 to apply to be added to the roll. A person who provisionally enrols is not entitled to vote until they reach 18, but once they turn 18 their enrolment automatically becomes active without any further paperwork. This provision is designed to encourage young Australians to participate in the electoral process at the earliest opportunity. The AEC maintains a list of provisionally enrolled persons and transfers them to the full roll on their 18th birthday. There is no upper age limit for voting — once enrolled, a person remains on the roll for life provided they keep their enrolment details up to date.

Evidence review

Disqualifications and exclusions

The Commonwealth Electoral Act specifies several categories of persons who are not entitled to enrol or vote. A person who is serving a sentence of imprisonment of three years or longer for an offence against a law of the Commonwealth or of a state or territory is disqualified from voting. The disqualification applies for the duration of the sentence. A person who has been convicted of treason or treachery and has not been pardoned is also disqualified. Additionally, a person who is of unsound mind and who is incapable of understanding the nature and significance of enrolment and voting is not entitled to enrol. This determination is made by a medical practitioner and requires an objective assessment of the person's capacity. It is important to note that short-term prisoners serving sentences of less than three years remain eligible to vote and the AEC provides mobile polling services at some correctional facilities.

Evidence review

Overseas electors and special categories

Australian citizens living overseas may be eligible to enrol and vote if they intend to return to Australia within six years of their departure. The AEC maintains a special category of overseas electors who are registered to vote at their last Australian residential address. Once the six-year period expires, overseas electors must re-enrol if they return to Australia. Members of the Australian Defence Force and Australian Federal Police serving overseas, as well as their spouses and children, are eligible for special enrolment arrangements regardless of the length of their overseas posting. People experiencing homelessness or with no fixed address may enrol using a place of close connection, such as a park or shelter where they frequently stay. The Act provides flexibility to ensure that eligible Australians are not disenfranchised by practical circumstances beyond their control.

Evidence review

Compulsory enrolment and voting

Once a person meets the eligibility criteria, enrolment is compulsory under Australian law. Section 101 of the Commonwealth Electoral Act requires every eligible person to enrol and to keep their enrolment details current. Failure to enrol without a valid and sufficient reason may result in a penalty. Similarly, once enrolled, voting in federal elections is compulsory. The AEC sends enrolment forms and reminders to persons who appear to be eligible but unenrolled, using data-matching with other government agencies. Compulsory voting is a distinctive feature of Australian democracy that contributes to high rates of electoral participation, with voter turnout typically exceeding 90 per cent. The AEC's enrolment processes are designed to make compliance as straightforward as possible, including online enrolment, which now accounts for the majority of new enrolments and updates.

Common questions

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