U.S. pensions received by residents of Portugal are generally subject to taxation in Portugal. However, Portugal has offered special tax regimes for new residents, such as the Non-Habitual Resident (NHR) regime, which may provide exemptions or reduced rates for certain types of foreign-source income, including pensions. The specifics of taxation depend on the type of pension, the taxpayer’s residency status, and whether the NHR regime applies.
You can look at it in terms of the nature of the US retirement income flow –
1. Private Pensions – usually taxed by Portugal as ordinary income. Progressive rates from 14.5% to 48%
2. US Social Security – US has primary taxing rights. If considered taxable by Portugal, you will enjoy foreign tax credits for what was already paid to the US.
3. Government pensions – usually not taxed by Portugal only the US –
4. ROTH IRAs – Income is normally bifurcated. Contributions are tax-free (return of capital). Earnings/Growth are generally taxable in Portugal.
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Alternatively, you can look at it from the perspective of the special tax regimes –
1. Those under the original NHR regime before 2020 and before the 10% tax on certain foreign pensions. Before April 1, 2020, Portugal’s NHR regime granted a full tax exemption on most foreign pension income for qualifying individuals. This was one of the most generous policies in Europe and a major draw for retirees.
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2. Those under the NHR regime that started from 2020 to 2023. A 10% tax was implemented which applied to government pensions while private pensions were taxable as per normal tax rules. Do note that if you take a full lump-sum distribution from a US 401(k) or IRA, the Portuguese tax authorities might classify it as “investment income” (which is not covered by the NHR pension rules) rather than a “pension.” This could result in a much higher tax bill.
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3. Those not under any special regime including the NHR. For taxpayers residing in Portugal who are not under the Non-Habitual Resident (NHR) regime, foreign pensions are generally subject to taxation under the standard Portuguese Personal Income Tax (IRS) rules. This means they are typically aggregated with other taxable income and taxed at progressive rates, which can go up to 48% for income over certain thresholds. The DTA between the US and Portugal allows for foreign tax credits that eliminate double tax. Government pensions are only taxed at 10% in Portugal.
4. Those under the post 2023 IFICI regime (Incentivo Fiscal à Investigação Científica e Inovação) or NHR 2.0, all foreign pensions and foreign social security payments are excluded from the Portugal tax net.
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Please note that there is normally no Double Taxation. Yes as a US citizen, you must file US taxes regardless of where you live. However, you can use the Foreign Tax Credit (FTC) to offset Portuguese taxes paid against your US tax liability, preventing double taxation.


