Check with the office. The official pages for this service leave out some details, or are older than a year. Use this page as a starting point and confirm fees and documents before you apply.
Children born in Australia to a Portuguese mother or father should be registered so they are recognised as Portuguese nationals by origin. Both parents sign the declaration.
Where to apply in Australia
Consulate-General of Portugal in Sydney (NSW), which covers Australia except the ACT and holds consular visits in Adelaide, Brisbane, Darwin, Melbourne, Perth and Wollongong; the consular section of the Embassy in Canberra covers the ACT.
NSW residents lodge in person at the Sydney consulate; residents of other states should ask about the postal route.
Contact details for every office are on the page of the embassy and consulates of Portugal.
How to apply
Complete the nationality declaration for minors (with the time of birth) and lodge it with the originals; both parents attend to sign.
Documents you need
- Nationality declaration for minors
- Original birth certificate (non-Australian certificates must be legalised or apostilled)
- Portuguese parent's Citizen Card or passport
- Non-Portuguese parent's passport or licence and birth certificate
- Child's ID if aged 14-17
- Prepaid return envelope
- Prior registration of the parents' marriage in Portugal if they were married
Fees and processing time
The official pages do not publish a fee for this service. Ask the office before you apply.
Good to know
Consular pages are undated (section index dated 10 April 2018) and do not publish fees; confirm amounts with the consulate. Book through the online appointment system before visiting.
Official sources
Check before you apply
This page summarises information published by Portugal's official channels, last checked on 25 octubre 2026. Fees and requirements can change at short notice, so confirm with the office that will handle your case.
Spotted a change? Let us know.
More services of Portugal in Australia
- Baggage certificate for returning residents
- Citizen Card (Cartão de Cidadão)
- Consular registration
- Electoral registration and voting from abroad
- Portuguese electronic passport
- Portuguese nationality for adults with a Portuguese parent
- Powers of attorney
- Registration of a marriage celebrated in Australia