If you spend more than 183 days in Portugal and acquire tax residency there, in the subsequent fiscal period you become eligible for the beneficial Non-Habitual Resident (NHR) status. The latter is granted for 10 years. This status comes with exemptions for personal income derived from foreign sources, including dividends, interest, and royalties. However, pension income from other countries is subject to a 10% tax rate. These tax conditions are highly advantageous for immigrants in the European Union.