Which European countries offer the most favorable tax treatment for retirees?

Which European countries offer the most favorable tax treatment for retirees?

The most favorable tax treatments for U.S. retirees are found in France, the United Kingdom, Belgium, and Malta, as these countries have modern tax treaties with the U.S. that explicitly recognize the tax-free status of qualified U.S. Roth IRA distributions.

France stands out as having one of the most advantageous tax agreements for American retirees. Under the US-France tax treaty, the U.S. retains exclusive taxing rights over U.S. retirement income, meaning that 401(k) distributions and Social Security payments are taxable only in the United States. Furthermore, France provides a unique treaty credit mechanism that effectively zeroes out French income tax on U.S.-sourced investment income, such as dividends, interest, royalties, and capital gains.

The United Kingdom, Belgium, and Malta are also highly favorable because their tax treaties include specific language that protects the tax-free nature of U.S. pensions, extending this protection to qualified Roth accounts.

While most other European countries treat U.S. retirement accounts as standard taxable income, a few offer specific regional or status-based incentives that can be favorable for retirees:

• Italy: Italy generally taxes U.S. Traditional IRAs, 401(k)s, Roth IRAs, and Social Security at progressive income tax rates that can reach as high as 43%. However, it offers a highly favorable 7% flat tax regime for foreign pensioners who relocate to qualifying municipalities in southern Italy.

• Ireland: Non-Irish domiciled residents can benefit from "remittance basis" taxation, meaning their foreign pension income is not subject to Irish tax as long as those funds are not remitted (brought into) Ireland. Ireland also provides exemptions for certain foreign pensions if they would have been tax-exempt in the source country.

• Portugal: Portugal generally does not tax U.S. Social Security benefits. For Roth IRAs, Portugal allows the return of your original contributions to be withdrawn tax-free, though the investment growth is taxed as pension income. Retirees who managed to secure Non-Habitual Resident (NHR) status before it closed to new applicants in 2024 enjoy a flat 10% tax rate on this foreign pension income.

In contrast, retiring in countries like Spain, Switzerland, and Germany is generally less favorable from a tax perspective. These jurisdictions do not recognize the tax-sheltered status of Roth IRAs and will tax the account's growth or distributions as ordinary or investment income. In Spain and Switzerland, the total market value of your retirement assets may also be subject to an annual wealth tax.

Questions? Ask our research assistant about the European Taxation of US Roth IRA Distributions

Last updated: May 10, 2026