Should You Claim the Foreign Tax Credit or the Foreign Earned Income Exclusion?

Most Americans living abroad have two ways to avoid paying full U.S. tax on income that has already been taxed somewhere else: the foreign tax credit, claimed on Form 1116, and the foreign earned income exclusion, claimed on Form 2555. Neither is automatically better. The right answer depends on the type of income you earn, the tax rate in the country where you live, whether you have children, whether you want to contribute to a U.S. retirement account, and how long you expect to stay abroad.

What each one actually does

The exclusion removes a limited amount of foreign earned income — wages, salary, and self-employment income from personal services performed abroad — from your U.S. taxable income. It does nothing for interest, dividends, capital gains, rental income, or pensions. The foreign tax credit does something different: your foreign income is still reported, U.S. tax is computed, and then the foreign income tax you paid or accrued is credited against that U.S. tax, subject to limitations that keep the credit from offsetting tax on U.S.-source income.

Qualifying for the exclusion

The exclusion is not available simply because you live overseas. You must have foreign earned income, a tax home in a foreign country, and satisfy either the bona fide residence test or the physical presence test. Both tests turn on facts — where your home and ties are, how many days you spend outside the United States, and the nature of your stay. Travel patterns and short assignments frequently decide whether the exclusion is available at all.

Where the two approaches usually land

A general pattern holds more often than not. If you live in a country whose income tax rate is similar to or higher than the U.S. rate, the credit often eliminates U.S. tax on that income and may leave you with carryovers you can use in other years. If you live in a country with little or no income tax on your wages, there is nothing meaningful to credit, and the exclusion becomes the primary relief.

• High-tax country, mostly wage income: the credit frequently produces the better result
• Low- or no-tax country, wage income: the exclusion usually carries more weight
• Investment, rental, or pension income: the exclusion does not reach it; the credit may
• Self-employment income: neither one reduces U.S. self-employment tax, which is a separate question governed by totalization agreements where one applies

The consequences people overlook

Refundable credits for children

Excluding income can reduce or eliminate the earned income available to support certain child-related credits. A family that excludes all of its wages may find that a refund it expected disappears. Using the credit instead sometimes preserves it. This single issue changes the answer for many families.

Retirement contributions

Contributions to U.S. retirement accounts generally require taxable compensation. If the exclusion removes all of your earned income, you may no longer have a base to contribute against. If building U.S. retirement savings matters to you, that consequence belongs in the analysis before the return is filed.

Revoking the exclusion is not costless

The exclusion is elected, and once you revoke it, you generally cannot claim it again for a period of years without IRS consent. Switching back and forth to chase the better outcome in each individual year is not permitted. That makes the initial choice a multi-year decision rather than an annual one.

Using both in the same year

The two are not mutually exclusive in all cases, but they cannot be applied to the same dollars. If you exclude part of your wages, foreign tax paid on the excluded portion is not creditable; only the tax attributable to the income still subject to U.S. tax may be credited. Allocating correctly is where these returns most often go wrong, and it is also where a careful preparer earns their fee.

State tax does not follow federal rules

Some states do not recognize the foreign earned income exclusion at all. If you have not properly changed your domicile, you can end up excluding income federally and still owing state tax on it. Reviewing state residency at the same time as the federal analysis avoids that surprise.

Sources and official references

• IRS — Foreign Earned Income Exclusion
• IRS — Foreign Tax Credit
• IRS — About Form 1116
• IRS — About Form 2555