Does Italy Tax US Social Security Benefits: Credits and 7% Flat Tax

Yes. If you live in Italy as a tax resident, Italy taxes your US Social Security benefits as part of your worldwide income, and if you are a US citizen the United States taxes them as well. So the real question behind does Italy tax US Social Security benefits is not whether tax applies, but how the US-Italy tax treaty divides the bill and how credits on both sides keep you from paying the full rate twice.

What the Treaty Says and Why Citizens Still Pay the US

Article 18, paragraph 2 of the US-Italy income tax convention states that Social Security payments made by one country to a resident of the other “shall be taxable only in” the recipient’s country of residence.¹ For a retiree in Italy drawing US Social Security, the treaty assigns the primary taxing right to Italy. The Italian Ministry of Finance reads it the same way: if the beneficiary resides in Italy, the payments are taxable only in Italy.²

The catch is in Article 1. The treaty contains a saving clause that lets the United States tax its own citizens and long-term residents as if the treaty did not exist.¹ Some treaty articles are carved out as exceptions, but Article 18(2) is not among them. Only paragraphs 5 and 6 of Article 18 (covering alimony, child support, and certain pension contributions during temporary work assignments) escape the saving clause.

So the practical split looks like this. If you are a US citizen or Green Card holder living in Italy, both countries tax your benefits: Italy because the treaty gives it the primary right, the US because the saving clause overrides the treaty for its citizens. If you are not a US citizen or long-term resident (for example, an Italian national who worked in the US long enough to qualify for Social Security), only Italy taxes the benefit, and the standard 30% nonresident alien withholding should not apply once you claim the treaty exemption.

How Italy Taxes the Benefit

Italy treats US Social Security as ordinary income subject to IRPEF, its progressive income tax. The current brackets are 23% up to €28,000, 35% from €28,001 to €50,000, and 43% above €50,000.³ Your benefits stack on top of any other income you have in determining your bracket. A retiree with $30,000 a year in Social Security and no other income would likely sit mostly in the 23% band after currency conversion; the rate climbs quickly as other income is layered in.

You report the income on either the Modello 730 (the simplified form for pensioners and employees) or the Modello Redditi PF. Even though the treaty assigns Italy the taxing right, you still declare the income actively and claim any credit for US tax paid on the same money. Keep your US tax transcripts and Italian filing records together, because Italian authorities may ask for proof of US tax paid when you request credit relief.

To document your status, Italian offices sometimes request US residency certification. The IRS issues this on Form 6166 after you file Form 8802 and pay the processing fee.⁴

How the US Still Taxes Your Benefit

Because the saving clause preserves US jurisdiction over citizens, your Social Security remains subject to the same domestic rules as any American’s, no matter where you live. Internal Revenue Code Section 86 uses a “provisional income” test to decide how much of the benefit is taxable.⁵ Provisional income is your modified adjusted gross income plus half of your Social Security benefits.

Single filers with provisional income between $25,000 and $34,000: up to 50% of benefits are taxable.
Single filers above $34,000: up to 85% are taxable.
Joint filers between $32,000 and $44,000: up to 50%.
Joint filers above $44,000: up to 85%.

These thresholds have not been adjusted for inflation since the 1990s, so most retirees with meaningful income beyond Social Security end up in the 85% inclusion band.⁵ The included portion is taxed at regular US rates on Form 1040, which you continue to file from Italy as a US citizen.

One frequent misconception: the Foreign Earned Income Exclusion does not shelter Social Security. The FEIE excludes up to $132,900 of foreign earned income in 2026, but Social Security is unearned income, so Form 2555 cannot be used to exclude it.⁶ It can reduce US tax on wages or self-employment income you earn in Italy, which indirectly lowers your provisional income, but it cannot touch the benefit itself.

Claiming Credits So You Do Not Pay Twice

Article 23 of the treaty is the relief mechanism, and it works through foreign tax credits on both sides.¹

On the US return, you claim the Foreign Tax Credit on Form 1116, filed with your Form 1040. The credit reduces your US tax dollar-for-dollar for Italian income tax paid on the same income, capped at the US tax that would otherwise be due on that foreign-source income.⁷ If Italy’s rate on the benefits runs higher than your effective US rate, you will not use the full credit this year; the excess carries forward.

On the Italian side, Article 23 lets Italy include the Social Security income in your taxable base and then grant a credit for the US tax attributable to that income. You calculate IRPEF normally and reduce it by the US tax on the same benefits. Italy’s marginal rates often come out higher than what most retirees face in the US, so in practice the US credit absorbs most or all of the American tax, and Italy collects the balance.

Timing matters. US citizens abroad get an automatic extension to June 15 for the Form 1040, though interest still runs from April 15 on any unpaid tax. Many expats file the US return first, pin down the US tax on Social Security, and then claim the corresponding credit on the Italian return.

The 7% Flat Tax Option in Southern Italy

Italy offers an alternative that can collapse the tax bill on all foreign income, Social Security included. Under Article 24-ter of Italy’s income tax law, retirees who move to a qualifying small municipality in southern Italy can elect a flat 7% substitute tax on all foreign-source income for up to 10 years.⁸

To qualify, all of the following must apply:

You relocate to a municipality with fewer than 20,000 inhabitants in Sicily, Calabria, Sardinia, Campania, Basilicata, Abruzzo, Molise, Puglia, or certain earthquake-affected areas of central Italy.
You have not been an Italian tax resident for at least the previous five years.
You receive pension or similar retirement income from a foreign source.

At 7% on all foreign income (US Social Security, private pensions, and foreign investment income), the regime is far cheaper than standard IRPEF of 23% to 43%. It replaces IRPEF entirely for the covered income, lasts up to 10 years from the date you establish Italian residency, and you can revoke the election earlier if your situation changes.

Reporting Obligations Beyond Income Tax

Living in Italy with US ties pulls in disclosure requirements on both sides, and the penalties for missing them can dwarf any tax you owe.

On the US side, if your Italian financial accounts combined exceed $10,000 at any point during the year, you must file FinCEN Form 114 (the FBAR) electronically through the BSA E-Filing system by April 15, with an automatic extension to October 15.⁹ Willful failure penalties can reach $100,000 or 50% of the account balance per violation. Separately, Form 8938 under FATCA attaches to your tax return if your foreign financial assets exceed $200,000 on the last day of the year or $300,000 at any point for single filers, with higher thresholds of $400,000 and $600,000 for joint filers.¹⁰ FBAR and Form 8938 can both apply at once.

You generally do not need to file Form 8833 to disclose your treaty position on Social Security. The IRS waives that requirement for Social Security treaty treatment unless you are a dual-resident taxpayer claiming benefits as an Italian resident on a Form 1040-NR.¹¹

On the Italian side, tax residents disclose foreign financial assets on Quadro RW of the tax return. If the maximum total value held at a single institution exceeded €15,000 at any point during the year, you report those accounts. Italy also imposes IVAFE, a small wealth tax of €34.20 per account when the average balance exceeds €5,000. Values convert at the Bank of Italy’s December 31 exchange rate. Filing aligns with your Italian return, generally September 30 for the Modello 730 or October 31 for the Modello Redditi PF.

A Word on Medicare

Medicare does not cover healthcare outside the United States, so moving to Italy means you can only use the benefit by traveling back to the US for care.¹² Delaying Part B triggers a 10% premium penalty for each full 12-month period you could have enrolled but didn’t, and that penalty stays with you permanently once you do sign up. Italy’s national health system is available to legal residents, which is why some expats drop Part B and some keep it as insurance against an eventual return.

1
U.S. Department of the Treasury. Convention Between the Government of the United States of America and the Government of the Italian Republic for the Avoidance of Double Taxation
2
Ministero dell’Economia e delle Finanze. Convenzione Italia-USA – Articolo 18
3
Agenzia delle Entrate. Personal Income Tax Rates and Calculation
4
Internal Revenue Service. Certification of U.S. Residency for Tax Treaty Purposes
5
Office of the Law Revision Counsel. 26 USC 86 – Social Security and Tier 1 Railroad Retirement Benefits
6
Internal Revenue Service. Figuring the Foreign Earned Income Exclusion
7
Internal Revenue Service. Foreign Tax Credit – Choosing to Take Credit or Deduction
8
Italia.it. Tax Breaks for Moving to the Charming Villages of Central Apennines and Southern Italy
9
FinCEN. Report Foreign Bank and Financial Accounts
10
Internal Revenue Service. Summary of FATCA Reporting for U.S. Taxpayers
11
Internal Revenue Service. Form 8833 Treaty-Based Return Position Disclosure
12
Medicare.gov. Avoid Late Enrollment Penalties