Is US Social Security Taxable in Italy? (The 2026 Guide)
If you are a U.S. retiree living in Italy—or planning a move—one of the most critical questions is how your Social Security benefits will be taxed. There is a common misconception circulating in expat forums that these benefits are "tax-free" in Italy under treaty law.
The reality is the opposite: Under the current U.S.-Italy Tax Treaty, your U.S. Social Security benefits are generally taxable only in Italy if you are an Italian resident.
1. The Treaty Rule: Article 18, Paragraph 2
The taxation of Social Security is governed specifically by Article 18, Paragraph 2 of the Convention between the United States of America and the Italian Republic for the Avoidance of Double Taxation.
The text states:
"Payments made by a Contracting State [the U.S.]... to a resident of the other Contracting State [Italy] shall be taxable only in the other State [Italy]."
What this means for you: Because the treaty uses the phrase "taxable only in the other State," the United States (the source country) waives its right to tax the income. The right to tax the benefit is granted exclusively to Italy, the country where you reside.
2. The US Exemption (The "Saving Clause" Exception)
Normally, the U.S. taxes its citizens on their worldwide income regardless of where they live (the "Saving Clause"). However, the U.S.-Italy treaty contains a specific exception for Social Security.
As a resident of Italy, you should not pay U.S. federal income tax on your Social Security. To claim this treaty position and prevent the IRS from taxing your benefits, you must file IRS Form 8833 with your annual U.S. tax return.
3. How Italy Taxes the Benefits
Because Italy has the exclusive right to tax this income, the Agenzia delle Entrate treats U.S. Social Security as taxable income.
Standard IRPEF: Unless you qualify for a special tax regime, your Social Security is added to your other worldwide income and taxed at Italy’s progressive IRPEF (personal income tax) rates. In 2026, these rates generally range from 23% to 43%.
The "No-Tax Area": If your Social Security is your only source of income and it falls below the Italian "no-tax area" threshold (approximately €8,500 per year), you may effectively pay 0% tax, but the income is still technically "taxable."
4. How to Lower Your Italian Tax: The 7% Flat Tax
The fact that Social Security is taxable in Italy is exactly why the Italian government introduced the "7% Flat Tax Regime" (Art. 24-ter of the TUIR).
To attract retirees, Italy allows new residents who move to certain municipalities in the South of Italy (Sicily, Calabria, Sardinia, Campania, Basilicata, Abruzzo, Molise, and Puglia) to pay a flat 7% tax on all foreign-sourced income, including U.S. Social Security, for up to 10 years. If U.S. Social Security were naturally exempt from Italian tax under the treaty, this 7% incentive would be unnecessary.
Conclusion
If you are a resident of Italy, you must report your U.S. Social Security on your Italian tax return (Modello Redditi). While the treaty protects you from being taxed twice, it identifies Italy as the primary tax authority for these benefits.
Because cross-border taxation is complex and the penalties for non-disclosure in Italy can be high, we strongly recommend consulting with a commercialista (Italian accountant) who specializes in U.S.-Italy treaty law to ensure you are filing correctly on both sides of the Atlantic.
Read the full report "U.S. Retirement Account Distributions Under the U.S.-Italy Income Tax Treaty" (March 2026, 17 Pages, PDF Format)
Questions? Feel free to ask our AI Research Assistant about US-Italy Taxation of US Social Security and Retirement Accounts or request an introduction to a professional financial advisor.
Last updated: March 11, 2026
Sources:
[1] ITALY ESTATE TAX TREATY, accessed March 26, 2025, https://taxtopics.net/Italy.htm
[2] www.irs.gov, accessed March 26, 2025, https://www.irs.gov/pub/irs-trty/italypro.pdf