Topic · US expat tax
Child Tax Credit & Additional CTC for US Expats
How the Child Tax Credit and the refundable Additional CTC work for Americans abroad, the SSN requirement, and why the FEIE can disqualify the refundable part.
The Child Tax Credit (CTC) can be valuable for U.S. families abroad, and its refundable component — the Additional Child Tax Credit (ACTC) — can even produce a refund. But there's a recurring trap for expats: the choice between the FEIE and the Foreign Tax Credit can affect whether you get the refundable part at all.
Who can claim it (high level)
Eligibility generally depends on having a qualifying child who meets the relationship, age, residency, and support tests, plus identification requirements. For Americans abroad, two points matter most:
- SSN requirement — the qualifying child generally must have a valid Social Security Number issued by the filing deadline. An ITIN for the child generally does not qualify for the CTC (though other, smaller credits may apply).
- Income phase-outs — the credit phases out above income thresholds that are set in statute and can change, so confirm the current-year figures.
The FEIE vs the refundable ACTC
The refundable Additional CTC is computed from earned income above a floor. If you exclude your earned income with the FEIE (Form 2555), that excluded income generally can't be counted toward the ACTC — which can shrink or eliminate the refundable portion. Using the Foreign Tax Credit instead leaves the earned income in place for ACTC purposes.
| Approach | Effect on earned income for ACTC | Common outcome |
|---|---|---|
| Claim FEIE (Form 2555) | Excluded income generally doesn't count | Refundable ACTC can be reduced or lost |
| Claim Foreign Tax Credit (Form 1116) | Earned income remains countable | ACTC may remain available |
| Combination / partial | Depends on what's excluded vs credited | Fact-specific; worth modelling |
A practical sequence
- Confirm each child qualifies and has (or can timely obtain) a valid SSN.
- Check the current-year credit amount, refundable cap, and phase-out thresholds, which change over time.
- Model FEIE vs FTC specifically for the ACTC, not just income tax, before electing.
- File consistently — the credit, any exclusion, and the FTC all interact across the return.
Have kids abroad and want the credit done right?
The free Tax Risk Check helps you think through CTC/ACTC eligibility and the FEIE-vs-FTC trade-off for your family. Atamatax provides preparation support; this is not individualized tax or legal advice.
Atamatax provides tax preparation support and educational resources. This website does not constitute legal or tax advice.