Do I need Form 1116 if the foreign tax was already withheld at source?
Withholding at source is foreign income tax paid, so it is creditable, and the form is how the credit is claimed. What withholding does not do is fix the size of the credit. The credit is capped by the US tax on the same category of income, worked out after the deductions apportioned against that income, so tax withheld at a rate above the US rate on that income gives you more credit than you can use this year. The surplus is not lost; it carries. Where the only foreign tax is a small amount of withholding shown on payee statements and all the foreign income is passive, the credit can be claimed on the return without the form at all, and we test that before preparing one.
Can I claim the foreign earned income exclusion and the credit together?
Not on the same dollar of wages. Income the exclusion removes is not income the US taxes, so foreign tax attributable to it is not creditable, and the foreign tax on a salary has to be apportioned between the excluded part and the rest. Where the salary runs above the cap, which was US$130,000 per qualifying person for the 2025 tax year and US$132,900 for 2026, the excess is taxable and the foreign tax on that excess is creditable on Form 1116. Which combination leaves less tax is arithmetic rather than preference, and it moves with the foreign rate.
Does Form 1116 apply to a pension taxed abroad?
Yes, and for most pensioners it is the only relief there is. The exclusion reaches earned income, meaning wages and self-employment income for services performed abroad, and a pension is not earned income. So a retiree living abroad whose whole income is a foreign pension excludes nothing and credits everything. The work is category and sourcing: which category of income the pension falls into, which treaty article decides who taxes it first, and whether the foreign tax was paid in the year the US taxes the receipt. Getting the category wrong changes none of the tax paid abroad. It changes how much of it you can use.
Why do I still owe US tax when I paid more tax abroad?
Because the limit is worked out category by category rather than on your foreign tax as a whole. Foreign tax on employment income sits in one category and US tax on dividends in another, and a surplus in the first cannot be applied against the second. So a filer whose foreign tax bill exceeds the entire US bill can still owe, because the credit is allowed only up to the US tax on the income in that same category. Deductions apportioned against foreign source income shrink the limit further. The surplus carries to other years rather than disappearing, which is why the carryover schedule matters as much as the current year does.
Is it better to deduct the foreign taxes instead of claiming the credit?
It is a choice made for the year, and the same foreign taxes cannot do both. A deduction reduces the income the US taxes; the credit reduces the tax itself, which is usually worth more. The deduction can still win where the credit would be trapped, such as a year with little foreign source income in the category that carries the foreign tax, or a year where the limit bites so hard that most of the credit would carry rather than be used. It is also the shorter filing. We prepare the year both ways on your own figures first, because the choice also changes the carryover you are building for later years.
Do I file a separate Form 1116 for each country I paid tax in?
No. The form is completed by category of income, not by country, and countries are set out within the category. That catches filers who expect one form per jurisdiction, and it matters in both directions: tax paid to two countries on income in the same category shares one limit, while income in two categories needs two forms even where it all came from one country. Someone with a foreign salary, a foreign dividend and foreign rent can finish with more forms than countries. Sorting the income into categories is the first job, and the rest of the preparation follows from it.
What foreign taxes qualify for the foreign tax credit?
A levy qualifies if it is an income tax, or a tax in lieu of one, that you were legally required to pay and actually paid or accrued, and that is not refundable to you. That rules out value-added and sales taxes, property taxes, and social security contributions covered by a totalization agreement. It also rules out tax you could have avoided by claiming a treaty rate and did not — the credit does not cover voluntary over-withholding. See Form 1116.
Where do I report foreign tax paid on Form 1040?
Not directly. Foreign tax withheld shows up first on the payer statement — a 1099-DIV, 1099-INT or K-1 — and from there goes onto Form 1116, which computes the allowable credit by category. The credit then lands on Schedule 3 and flows to the 1040. Under the small-amount election it can go straight to Schedule 3 without the form, which is quicker and forfeits the carryover. See Form 1116.