Married Expats: Filing Jointly vs Separately and Non-US Spouse Rules

Getting married adds complexity to any tax situation, but for expats, the stakes are even higher. From filing status decisions to handling a non-U.S. spouse, here's what married couples living abroad need to know.

Filing Status Options for Married Expats

Married Filing Jointly (MFJ)

• Generally the most favorable tax rates
• Combined income reported on one return
• Both spouses can claim FEIE (potentially $260,000 total exclusion)
• Both spouses are jointly liable for the tax

Married Filing Separately (MFS)

• Higher tax rates than MFJ
• Keeps liabilities separate
• May be preferable in specific situations
• Each spouse can claim their own FEIE

💡 Key Insight: When both spouses work abroad and qualify for the FEIE, MFJ usually provides the best outcome. You can potentially exclude up to $260,000 combined ($130,000 each) plus two housing exclusions.

When Your Spouse is Not a U.S. Citizen

If you're married to a non-U.S. citizen (Non-Resident Alien or NRA), you have important choices:

Option 1: File as Married Filing Separately

• Only report your income on your return
• Your NRA spouse doesn't file a U.S. return
• You face MFS tax rates (less favorable)
• Some credits and deductions are limited

Option 2: Elect to Treat Spouse as Resident (Section 6013(g))

• File jointly with your NRA spouse
• Get favorable MFJ tax rates
• But: Your spouse's worldwide income becomes taxable to the U.S.
• Your spouse must obtain an ITIN or SSN
• Your spouse takes on U.S. filing obligations going forward

Factor	MFS (No Election)	MFJ (6013(g) Election)
Tax Rates	Higher	Lower
Spouse's Income	Not reported	Worldwide income taxable
FEIE for Spouse	N/A	Yes, if qualifies
Complexity	Lower	Higher
Future Obligations	Spouse not obligated	Spouse must file going forward

The Math: When to Make the Election

The 6013(g) election is often beneficial when:

• Your NRA spouse has little or no income
• Your spouse's income qualifies for FEIE
• The MFJ rate benefit exceeds any tax on spouse's income

It may NOT be beneficial when:

• Your spouse has high income that doesn't qualify for FEIE
• Your spouse has foreign investments creating PFIC/FBAR complexity
• You're planning to divorce (unwinding is complicated)

Both Spouses Claiming FEIE

When both spouses work abroad and qualify for the FEIE:

• Each spouse files their own Form 2555
• Each can exclude up to $130,000 (2026)
• Combined exclusion: $260,000
• Each can also claim the housing exclusion

Qualifying Separately

Each spouse must independently meet either:

• The Physical Presence Test (330 days), OR
• The Bona Fide Residence Test

Spouse A can use Physical Presence while Spouse B uses Bona Fide Residence.

FBAR for Married Couples

Both spouses must consider FBAR filing:

Joint Accounts

If you have joint foreign accounts, both spouses must file FBARs reporting those accounts.

Separate Accounts

Each spouse reports their own accounts. But remember: the $10,000 threshold includes accounts where you have signature authority, even if not owned.

FinCEN Form 114a

One spouse can authorize the other to file on their behalf using Form 114a. Convenient for couples who want to file together.

Tax Planning for Married Expats

Income Splitting

Consider how income is allocated between spouses. If one spouse earns significantly more, strategies like:

• Employment in both names (where possible)
• Business structure adjustments
• Compensation planning

State Tax Considerations

If one spouse has state residency ties (driver's license, property, etc.), it could affect both spouses in community property states.

Common Mistakes Married Expats Make

1. Making the 6013(g) election without analysis: It can't easily be revoked
2. Forgetting spouse's accounts on FBAR: Joint accounts require both to file
3. Assuming spouse is covered by your FEIE: Each must qualify independently
4. Not getting spouse an ITIN: Needed for MFJ even with NRA spouse
5. Ignoring community property rules: Some states split income 50/50

📌 Bottom Line

Marriage adds complexity but also opportunity. Two qualifying spouses can exclude up to $260,000 in earned income. The key decisions—filing status, 6013(g) election, FBAR coordination—require careful analysis based on your specific situation. Don't assume what worked for another expat couple will work for you.