Becoming a Portuguese Citizen by Naturalisation in 2026 — A Practical Guide to the Lei n.º 37/81 Article 6 Path, the Five-Year Residency Anchor, the CIPLE A2 Portuguese-Language Test and the IRN Pedido de Aquisição
Becoming a Portuguese citizen by naturalisation under Article 6 of Lei n.º 37/81 (Lei da Nacionalidade) follows the five-year residency anchor, the CIPLE A2 Portuguese-language test, the criminal-record threshold and the IRN Pedido de Aquisição cycle. This 2026 guide unpacks the path.