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.
People over 18 born abroad to a Portuguese mother or father can apply for Portuguese nationality and are then considered Portuguese by origin.
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 apply in person at the Sydney consulate.
Contact details for every office are on the page of the embassy and consulates of Portugal.
How to apply
Lodge the nationality declaration for adults with the documents; the original birth certificate is kept on file.
Documents you need
- Nationality declaration for adults (with exact time of birth)
- Original birth certificate, legalised or apostilled if issued outside Australia
- Valid passport or driving licence
- Portuguese parent's birth certificate
- Other parent's ID and birth certificate
- Prepaid return envelope
- Parents' marriage registered 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The official pages do not publish a fee for this service.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Consular pages are undated (section index dated 10 April 2018) and do not publish fees; confirm amounts with the consulate.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. Spouses or partners of Portuguese citizens for over three years can also declare nationality.
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.