Understanding Totalization Agreements and Their Impact on Social Security Taxes

The issue of Social Security taxation can get complex, especially for those who work internationally. The United States has established agreements known as Totalization Agreements with several countries to prevent double taxation on income related to Social Security taxes.

For Americans who spend part of their career working outside the U.S., both the U.S. and a foreign country’s social security systems may cover the same work. Without a Totalization Agreement, you would generally have to pay Social Security taxes to both countries on the same income. However, these agreements eliminate this double coverage, meaning you only pay taxes to one country.

These agreements are particularly helpful for individuals who have worked in both the U.S. and another country but haven’t accumulated enough work credits in either country to qualify for Social Security benefits.

Under the Totalization Agreement, the U.S. can count the work credits you earned in the other country toward your eligibility for U.S. Social Security benefits. If you’ve already earned enough credits in the U.S. to qualify for benefits, the credits from the other country won’t be factored in.

If you need to use your foreign work credits to qualify, you may receive a partial U.S. benefit, based on the number of credits you’ve earned in the U.S.

It’s important to note that while the U.S. may count your foreign work credits, they aren’t transferred to your U.S. Social Security record. Instead, the credits remain on your record in the foreign country. As a result, it’s possible to receive separate benefit payments from both the U.S. and the other country.

For more information about Totalization Agreements and how they work, visit the International Agreements page.