Concept
Foreign earned income exclusion and foreign tax credit are two tools for the same problem. A U.S. citizen or resident alien is taxed on worldwide income wherever they live, because U.S. tax follows citizenship and reaches Americans abroad even when another country taxes the same income. FEIE removes qualifying foreign earned income from U.S. taxable income, up to an annually indexed limit: $130,000 for 2025 and $132,900 for 2026, filed in 2026 and 2027 respectively. Foreign tax credit takes the other route and offsets U.S. tax with foreign income taxes paid or accrued, which is how the Code relieves double taxation when the same income is taxed twice.
The choice is not cosmetic. FEIE can help low-tax or no-tax country earners with salary income. Foreign tax credit often works better for taxpayers in high-tax countries, taxpayers with passive income, and taxpayers who need carryovers. Neither tool cancels FBAR, Form 8938, PFIC, CFC, or trust reporting.
FEIE
FEIE is claimed on Form 2555. It applies only to foreign earned income, not passive income, investment gains, pension income, CFC inclusions, PFIC income, or trust distributions. The person must usually have a foreign tax home and satisfy either the bona fide residence test or the physical presence test.
The physical presence test is mechanical: generally 330 full days in a foreign country or countries during a 12-month period. The bona fide residence test is more factual and looks at whether the person was a bona fide resident of a foreign country for an uninterrupted period that includes an entire tax year.
FEIE can be paired with the foreign housing exclusion or deduction where the taxpayer qualifies. Housing relief is anchored to the exclusion: the base housing amount runs at 16% of the FEIE and the general cap at 30%, roughly $20,800 to $39,000 for 2025 and $21,264 to $39,870 for 2026, with higher caps in listed high-cost cities. The stacking rule then applies: tax on the income that is not excluded is figured at the rates that would have applied without the exclusion, so FEIE shrinks the taxable base while the rate on what remains is set as if nothing had been excluded.
Foreign tax credit
Foreign tax credit is usually claimed on Form 1116 for individuals. It can apply to qualifying foreign income taxes paid or accrued. The credit is limited by category and by U.S. tax on foreign-source income, so the calculation depends on income sourcing, expense allocation, and baskets.
The IRS Publication 514 explains a key rule: foreign taxes paid on income excluded under FEIE or foreign housing exclusion cannot also be used for a credit or deduction. This is the double-dipping rule. If income is excluded, the tax tied to that excluded income is not creditable.
Where foreign taxes exceed the current-year limitation, the excess is not lost. Publication 514 allows a one-year carryback and a ten-year carryforward, claimed on Form 1116 with Schedule B to track the pool. Deducting foreign tax instead of crediting it forfeits the carryover. This is why the credit tends to win in high-tax countries and for anyone with continuing foreign-source income or a likely move back to the United States.
Decision table
| Fact pattern | Often better starting point | Why |
|---|---|---|
| Salary in a low-tax country | FEIE | There may be little foreign tax to credit |
| Salary in a high-tax country | Foreign tax credit | Foreign tax may offset U.S. tax and preserve future credits |
| Passive investment income | Foreign tax credit | FEIE does not apply to passive income |
| Self-employment abroad | FTC plus totalization review | FEIE may not solve self-employment tax |
| Foreign company owner | CFC analysis first | Subpart F and section 951A may not behave like salary |
| Foreign funds | PFIC analysis first | Form 8621 regimes can dominate the calculation |
| Future U.S. move | FTC often preferred | Credit carryovers may matter after relocation |
Housing and social security
Housing
Foreign housing exclusion or deduction can supplement FEIE where the person has qualifying housing expenses abroad. It is not a general rent reimbursement. It depends on the location, base housing amount, employer-provided amounts, self-employment facts, and Form 2555 mechanics. Housing relief should be documented with leases, invoices, proof of payment, employer reimbursement policy, and the period of foreign residence or presence, not guessed from bank transfers.
Social security
FEIE and FTC are income tax tools. They do not automatically solve U.S. Social Security and Medicare exposure for self-employed persons abroad. A totalization agreement can be decisive: if a U.S. person works in a country with such an agreement, it can determine whether U.S. or foreign social security applies. Without an agreement, a person can face unexpected self-employment tax even when income tax is reduced.
Treaties, totalization, and other regimes
FEIE and the credit sit inside a larger U.S. system, and several rules can override the simple salary case. A tax treaty rarely shelters a U.S. citizen's income directly, because of the saving clause, though it still governs tie-breaker residence, pension articles, and which country's rules apply to a cross-border account; the same treaty logic shapes Roth and treaty positions abroad. Totalization agreements settle the social security question that neither FEIE nor the credit reaches, which is what can turn a clean income-tax result into an unexpected self-employment bill.
Ownership and reporting regimes can dominate the math before FEIE or the credit is even relevant. A foreign company can trigger controlled foreign corporation rules and GILTI; foreign funds fall under PFIC and Form 8621; settlements and distributions raise foreign trust reporting. None of these is earned income, so the exclusion does nothing for them, and the credit interacts with each in its own basket. Information filings such as FBAR and Form 8938 run in parallel and carry their own penalties, and anyone weighing a future renunciation should read expatriation and the exit tax before acting.
Checklist
- Identify earned income separately from passive income and entity income.
- Confirm the foreign tax home.
- Test bona fide residence and physical presence dates.
- Collect foreign tax assessments and payment evidence.
- Decide whether FEIE, FTC, or both on different income streams makes sense.
- Allocate foreign taxes away from excluded income.
- Check whether foreign housing relief applies.
- Check self-employment tax and totalization.
- Preserve FX method, foreign pay slips, employment contracts, and local returns.
Common mistakes
- Using FEIE for dividends, capital gains, pensions, PFIC income, or CFC inclusions.
- Claiming foreign tax credit for tax paid on income excluded by FEIE.
- Ignoring self-employment tax after excluding earned income.
- Counting travel days loosely for physical presence.
- Assuming a local tax return is enough evidence for U.S. foreign tax credit.
- Using FEIE every year without checking whether FTC carryovers would be better.
Advisor trigger
A U.S. international CPA should model FEIE and FTC side by side. A U.S. tax attorney should be involved if the position depends on a treaty, disputed residence, aggressive sourcing, foreign company compensation, prior-year amendments, or IRS correspondence.
Q&A
What is the difference between FEIE and the foreign tax credit
FEIE removes qualifying foreign earned income from U.S. taxable income on Form 2555. The foreign tax credit offsets U.S. tax with foreign income taxes paid or accrued on Form 1116. One excludes income; the other credits tax already paid abroad.
Which income qualifies for FEIE
Only foreign earned income — broadly salary and self-employment compensation for services performed abroad. Dividends, interest, capital gains, pensions, CFC inclusions, PFIC income and trust distributions are not foreign earned income and cannot be excluded.
Can the same foreign tax be used for both FEIE and the credit
No. Publication 514 sets out the double-dipping rule: foreign tax paid on income excluded under FEIE or the housing exclusion is not also creditable or deductible. Tax tied to excluded income is removed from the credit calculation.
Why is the foreign tax credit often better in a high-tax country
Because foreign income tax can offset U.S. tax on the same income and any excess can carry over. Carryovers can be valuable for taxpayers with continuing foreign-source income or a future move back to the United States, which a one-year exclusion does not provide.
Do FEIE or FTC remove self-employment tax
No. Both are income tax tools and neither cancels U.S. self-employment tax for a self-employed person abroad. A social security totalization agreement with the country of work can decide which system applies; without one, self-employment tax can remain even after income tax is reduced.