US Citizens and Portugal: Sorting Out the NHR Confusion

Portugal's Non-Habitual Resident (NHR) regime offered reduced tax rates on foreign income for new residents for years, and a huge amount of nomad content — including older versions of guidance elsewhere — still references it as though it's straightforwardly available. It has been restructured, and a narrower replacement regime (sometimes referred to as IFICI) may or may not apply to your specific situation. See the Portugal tax guide for the general version of this caution — it applies with extra force to Americans specifically, since so much English-language nomad content about Portugal was written when NHR was straightforwardly available and hasn't been updated.

Unlike the UAE, the US does have a tax treaty with Portugal, which gives you additional structure for handling the interaction between US citizenship-based taxation (see the main US Citizens guide) and Portuguese tax residency, beyond just the Foreign Earned Income Exclusion and Foreign Tax Credit on their own.

Because Portugal does levy meaningful tax on residents outside of whatever incentive regime currently applies, the Foreign Tax Credit is often more relevant here than in a 0%-tax destination like the UAE — you're generally paying real Portuguese tax that can offset your US liability, rather than relying primarily on the exclusion.

Given how much has changed in Portugal's tax-incentive landscape and how much outdated content is still circulating about it, this is a case where confirming current status directly with a tax professional familiar with both US and Portuguese rules matters more than for most other destinations on this site.