For individuals from outside the EU, EEA, or Switzerland, including US citizens, relocating to Portugal involves a two-step process: first obtaining a National Visa (Type D) for long-term stays and then securing a residence permit upon arrival. Various National Visas cater to different purposes, such as the D7 for those with passive income and the D8 for remote workers, each with specific eligibility criteria like income thresholds and required documentation. The Golden Visa program offers a pathway to residency through qualifying investments, though recent changes have eliminated real estate as an option, emphasizing investment funds, job creation, and other areas. The initial visa application process from the US is often managed by VFS Global, an official partner of the Portuguese government that handles administrative tasks, while the Portuguese Consulates make the final decisions. Upon entering Portugal with a Residence Visa, applicants must then apply for a formal residence permit from AIMA, the immigration agency, to legalize their long-term stay, a process that can involve significant waiting times beyond the initial visa approval.

More info at Visa and Residency Options for Moving to Portugal

Moving, Working, and Investing for Americans Abroad