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U.S.–Brazil Social Security Totalization Agreement

In force since 2018. Coordinates with the Brazilian INSS. Use the calculator to see where you owe social security tax and whether you can combine credits.

How Brazil's system fits with U.S. Social Security

INSS — Instituto Nacional do Seguro Social, Brazil's national social security

Since Brazil's 2019 reform, retirement generally requires meeting a minimum age (65 men / 62 women) plus at least 15–20 years of INSS contributions depending on cohort and sex. Contributions are progressive up to a salary cap. The 2018 agreement made the U.S.–Brazil corridor — one of the largest expat flows in the Americas — finally totalizable.

⚠ The Brazil-specific detail most people miss
The agreement arrived just before Brazil's pension reform reshuffled retirement rules, so Brazilians and Americans with mixed careers often need both the treaty AND the reform's transition rules read together — the combination is genuinely specialist territory, but the credits themselves combine cleanly.

How coverage is decided

Sent by U.S. employer ≤ 5 yrs
Stay under U.S. Social Security; exempt from Brazil. Get a Certificate of Coverage.
Assignment > 5 yrs
Coverage shifts to Brazil's system.
Hired locally
Covered by Brazil.
Self-employed
Generally covered by your country of residence (Brazil).

Combining credits for a U.S. benefit

U.S. retirement benefits normally need 40 quarters (10 years) of credits. If you split a career between the U.S. and Brazil, you might fall short in each country alone. As long as you have at least 6 quarters of U.S. credits, the agreement lets you add your Brazil credits to reach eligibility — the U.S. then pays a benefit pro-rated to your U.S. credits only.

Certificate of Coverage

A Certificate of Coverage is the document that proves you're exempt from one country's social security. For U.S. coverage, the employer requests it from the SSA Office of Earnings & International Operations. Brazil's authority issues the equivalent when Brazil covers you.

Frequently asked questions

Do I pay U.S. or Brazil social security if my employer sends me there?

Under the U.S.–Brazil agreement, a worker sent by a U.S. employer for 5 years or less normally stays under U.S. Social Security only and is exempt from Brazil's system. Your employer obtains a U.S. Certificate of Coverage as proof. Beyond 5 years, coverage shifts to Brazil.

Can I combine my U.S. and Brazil work credits?

Yes. If you have at least 6 quarters (about 1.5 years) of U.S. credits, the agreement lets you combine ("totalize") your U.S. and Brazil credits to reach the 40-quarter (10-year) threshold for a pro-rated U.S. retirement benefit.

When did the U.S.–Brazil totalization agreement take effect?

The agreement has been in force since 2018.

Will Brazil tax my U.S. Social Security or pension?

Pension taxation depends on Brazil's domestic law and the separate U.S.–Brazil income tax treaty (if any), not the totalization agreement. The totalization agreement only governs which country's social security system covers you and how credits combine. Confirm pension taxation with a cross-border tax advisor.

Can my years contributing to Brazilian INSS count toward U.S. Social Security?

Yes — since the 2018 agreement, INSS contribution periods can combine with U.S. quarters (minimum 6 U.S. quarters) to qualify for a pro-rated U.S. benefit, and U.S. periods count toward INSS minimums likewise. Each country pays only its own share, and Brazil's post-2019 rules apply their own age thresholds.

Estimates only — not tax or legal advice. Verify with the SSA agreement page and IRS.