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Taxes when moving from the US to Argentina

What to organize before asking advisers about US and Argentine tax obligations during a move.

By Nathan Brooks · Sources checked August 8, 2026

Two adults talking while walking through a leafy residential courtyard

Short answer

Moving to Argentina does not switch off the US tax system. The United States taxes citizens on worldwide income regardless of where they live, so an American in Argentina usually keeps filing US returns while also learning the Argentine side. Relief tools such as the foreign earned income exclusion on Form 2555 and the foreign tax credit on Form 1116 have their own eligibility tests, and foreign account reporting through the FBAR and Form 8938 can apply separately. Prepare dated facts about homes, work, income, accounts, assets, pensions, and benefits, then take them to a cross-border tax professional.

What should I check?

  • US citizens remain taxable on worldwide income after moving abroad
  • There is no US-Argentina income tax treaty in force
  • There is no US-Argentina social security totalization agreement
  • FBAR and Form 8938 reporting can apply to Argentine accounts and assets
  • Get advice before a move, work, investment, or company decision that may be hard to reverse

Which documents should I gather?

Use the current official procedure to decide what is actually required. For every record, note the issuer, date, format, intended recipient, and any apostille or translation requirement.

  1. Travel-day chronology with entry and exit records
  2. Home, lease, ownership, and household information
  3. Employment, client, company, and income details
  4. Account, asset, pension, and benefit inventory
  5. Prior returns and notices requested by advisers

No treaty changes the starting assumption

Americans often assume a treaty will sort out which country taxes what. Argentina does not appear on the IRS list of income tax treaties in force, and there is no US-Argentina social security totalization agreement. Without a treaty, relief from double taxation generally comes from domestic provisions, principally the foreign earned income exclusion and the foreign tax credit, each applied to individual facts under current law.

That makes the factual record more important, not less. Record physical location by date along with homes available, leases or ownership, household changes, employment and client work, company activity, major income events, account or asset changes, pensions, benefits, transfers, and official filings. Attach the records that support each entry.

Future intentions need a clear label. A plan to leave a home or change work location is not a completed fact. The same is true of a proposed investment, company, or extended stay. Label each intention clearly before asking for advice. Advisers need to see both the current position and the choice still being considered.

Reporting obligations travel with the citizen

A US return is often only part of the picture. A foreign bank account report, filed as FinCEN Form 114 and commonly called the FBAR, can apply once qualifying foreign accounts cross the applicable threshold, and Form 8938 under FATCA can add a separate reporting layer for specified foreign financial assets. Thresholds, definitions, and penalties are set by current rules, so confirm them rather than relying on a remembered figure.

Argentine residence can bring its own registration and filing duties under the Argentine tax authority. The two systems run in parallel, and a position that works on one side does not automatically answer the other. A cross-border tax professional can coordinate both reviews against the same dated facts.

Ask before changing a difficult fact

Tax advice is most useful before a US home arrangement ends, employment changes location, capital moves, a company is formed, or another choice becomes hard to reverse. Give the adviser the actual proposal, intended date, documents, and known alternatives rather than a general question about moving abroad.

Keep a list of missing facts and assumptions in the written advice. If the answer depends on information from the other country, identify who will obtain it and how the two advisers will coordinate. This reduces the risk that each opinion quietly assumes a different timeline or business arrangement.

Keep both countries working from the same facts

Send each qualified adviser the same core chronology and identify conclusions or filings being considered elsewhere. Ask for the period covered, assumptions used, documents reviewed, unanswered questions, and matters that require a professional in the other jurisdiction.

Store advice with the facts supplied at the time. Later changes to travel, work, family, company activity, income, homes, accounts, or assets can make an earlier response unsuitable for the new situation. Update the affected advisers and preserve the revised chronology rather than relying on memory.

What may change?

Tax obligations depend on current law, administrative practice, and individual facts, and the absence of a treaty leaves more weight on domestic rules. This guide is not tax advice.

Official sources

Check the current version before acting.

Common questions

Does moving to Argentina end my US tax filing?

Generally no. The United States taxes citizens on worldwide income regardless of residence. Provisions such as the foreign earned income exclusion on Form 2555 and the foreign tax credit on Form 1116 may reduce double taxation for some filers, but eligibility depends on individual facts, and reporting duties such as the FBAR and Form 8938 can apply separately. Review your position with a cross-border tax professional.

Is there a US-Argentina tax treaty?

No. Argentina does not appear on the IRS list of income tax treaties in force, and there is no US-Argentina social security totalization agreement. Without a treaty, relief generally comes from domestic provisions such as the foreign tax credit, applied to your facts by a cross-border tax professional.

Which records should I keep after the move?

Ask advisers what retention rules apply, and preserve the records supporting travel, homes, work, income, companies, accounts, assets, pensions, benefits, transfers, and filings. Keep the chronology and the source documents together so later questions can be answered from dated evidence.