Tax Guide: Americans Living & Investing in Vietnam (2026)

Last updated: February 28, 2026 (Originally published: February 27, 2026)

TL;DR: US citizens owe federal income tax on worldwide income regardless of where they live. There’s no ratified US-Vietnam tax treaty and no totalization agreement. The Foreign Earned Income Exclusion (FEIE) lets you exclude up to $130,000 (2025) / $132,900 (2026) of earned income. The Foreign Tax Credit covers Vietnamese taxes paid. FBAR filing is mandatory if your Vietnamese bank accounts exceed $10,000 at any point. Investment income (dividends, capital gains, interest) from Vietnam is fully taxable. This stuff is complicated — get a qualified expat tax professional.

The Fundamental Rule: You Can’t Escape the IRS

Let me start with the reality that catches many Americans off guard: the United States taxes its citizens on worldwide income, regardless of where you live. The US is one of only two countries in the world (the other being Eritrea) that uses citizenship-based taxation.

Moving to Vietnam does not eliminate your US tax obligations. It doesn’t reduce them automatically. It doesn’t pause them. If you’re an American citizen or green card holder living in Vietnam, you must file a US federal tax return every year — and potentially owe US taxes — on every dollar you earn worldwide.

The good news: several powerful provisions exist to reduce or eliminate your actual US tax bill. Most Americans living in Vietnam end up owing zero or minimal US federal tax after applying the available exclusions and credits. But you still have to file, and you still have to report. The penalties for not doing so are severe.

The No-Treaty Problem

Here’s what makes Vietnam unique compared to many other expat destinations: there is no ratified tax treaty between the US and Vietnam. A treaty was signed in 2015 but has never been ratified by either country’s legislature, so it has no legal effect.

This matters because tax treaties typically provide clear rules on how income is taxed when you’re a resident of one country and a citizen of another, prevent double taxation on specific income types (pensions, dividends, capital gains), and reduce withholding tax rates on cross-border payments.

Without a treaty, you’re relying entirely on US domestic provisions (FEIE and Foreign Tax Credit) to avoid double taxation. In most cases, these are sufficient — but the process requires more careful planning than it would in a treaty country like the UK, Canada, or Australia.

There’s also no totalization agreement between the US and Vietnam. This means if you’re working in Vietnam and paying into Vietnam’s social insurance system, you cannot get credit toward US Social Security — and vice versa. You could theoretically owe social security contributions in both countries simultaneously on the same income.

Your Key Tax Tools: FEIE and Foreign Tax Credit

Foreign Earned Income Exclusion (FEIE) — Form 2555

The FEIE is the most powerful tax tool for Americans abroad. For the 2025 tax year (filed in 2026), you can exclude up to $130,000 of foreign earned income from US taxation. For 2026, the limit rises to $132,900. If both spouses work abroad and qualify, you can exclude a combined $260,000 / $265,800.

“Earned income” means: Salary, wages, commissions, self-employment income, consulting fees — money you actively work for.

“Earned income” does NOT mean: Dividends, interest, capital gains, rental income, pension distributions, Social Security benefits. These are “passive” or “unearned” income and cannot be excluded under the FEIE. This is a critical distinction for investors and retirees.

To qualify, you must pass one of two tests:

Physical Presence Test: You were physically present in a foreign country (or countries) for at least 330 full days during any 12-month period. “Full days” means you can’t count travel days when you’re in the US. This is the most common test for expats and digital nomads.

Bona Fide Residence Test: You lived abroad as a genuine resident for at least one full calendar year. This requires demonstrating intent to reside abroad (lease, local bank account, community ties) rather than just counting days. More flexible for people who travel back to the US frequently.

Foreign Housing Exclusion: On top of the FEIE, you may also exclude or deduct certain housing expenses (rent, utilities, parking) that exceed a base amount. The base for 2025 is $19,500 (16% of the FEIE limit). For most Americans in Vietnam, where housing costs are relatively low, this provides an additional $5,000-15,000 in excluded income depending on your rent.

Foreign Tax Credit (FTC) — Form 1116

The FTC gives you a dollar-for-dollar credit against your US tax bill for income taxes you’ve already paid to Vietnam. If you earn $50,000 in Vietnam and pay $5,000 in Vietnamese income tax, you can reduce your US tax bill by $5,000.

Key advantages over FEIE: The FTC applies to ALL income types — including investment income, rental income, and capital gains. If you have significant passive income (from Vietnamese stocks, term deposits, or rental property), the FTC may be more valuable than the FEIE. For how these returns look after currency and tax effects, see my yield analysis. Unused FTC credits can be carried back 1 year or forward up to 10 years.

FEIE vs. FTC — which to use? You can use both, but not on the same income. The general strategy: use the FEIE to exclude earned income (salary, freelance), then use the FTC to offset any remaining US tax on passive/investment income. If you’re primarily a retiree or investor with little earned income, the FTC alone may be your primary tool. Consult a tax professional — the optimal strategy depends on your specific income mix.

Vietnam’s Tax System: What You’ll Pay Locally

If you become a tax resident of Vietnam (present 183+ days in a 12-month period, or have a registered permanent address), you’re subject to Vietnamese personal income tax (PIT) on your worldwide income at progressive rates:

USD equivalents approximate at VND 25,100 = $1. Personal deductions (VND 11 million/month for taxpayer + VND 4.4 million/month per dependent) reduce taxable income before rates apply.

Investment income in Vietnam is taxed separately: dividends from Vietnamese companies face a 5% withholding tax, interest income from bank deposits is taxed at 5%, and capital gains from selling stocks or property are taxed at a flat rate (0.1% of transaction value for listed stocks, 2% of transaction value for property).

For non-tax-residents (present fewer than 183 days), Vietnam taxes only Vietnam-sourced income at a flat 20% rate for employment income and various withholding rates for investment income.

The FBAR and FATCA: Reporting Requirements That Trip People Up

Even if you owe zero US tax after applying the FEIE and FTC, you likely have separate reporting obligations that carry severe penalties for non-compliance:

FBAR — FinCEN Form 114

If the combined balance of all your foreign financial accounts (Vietnamese bank accounts, brokerage accounts, term deposits, any account where you have signature authority) exceeds $10,000 at any point during the year, you must file an FBAR.

This is an annual filing, due April 15 with an automatic extension to October 15. It’s filed electronically through the BSA E-Filing System, separate from your tax return.

The $10,000 threshold is aggregate and momentary. If you have three Vietnamese bank accounts that each held $4,000 at some point, the combined $12,000 triggers FBAR — even if each individual account never exceeded $10,000, and even if the total balance was only that high for a single day.

Penalties for non-filing are draconian: $10,000+ per account per year for non-willful violations. Willful violations can result in penalties up to $100,000 or 50% of the account balance, whichever is greater — plus potential criminal prosecution.

If you have a Vietnamese bank account with any meaningful balance — and especially if you’re earning interest on term deposits — you almost certainly need to file an FBAR. Do not ignore this.

FATCA — Form 8938

The Foreign Account Tax Compliance Act requires reporting of “specified foreign financial assets” on Form 8938 if they exceed certain thresholds. For Americans living abroad, the thresholds are higher than for US residents: $200,000 at year-end or $300,000 at any point during the year (single), $400,000 / $600,000 (married filing jointly).

Form 8938 covers a broader range of assets than the FBAR — including foreign stocks, partnership interests, and financial instruments, not just bank accounts. It’s filed with your tax return.

Yes, you may need to file both FBAR and Form 8938. They overlap but are not identical. Many Americans in Vietnam who invest locally need to file both.

Tax Traps for American Investors in Vietnam

If you’re investing in Vietnam from a US tax perspective, several traps await the unwary:

PFIC — The Vietnam ETF Nightmare

If you hold shares in a Vietnamese mutual fund or any non-US investment fund, the IRS may classify it as a Passive Foreign Investment Company (PFIC). PFICs are taxed punitively — gains are taxed at the highest marginal rate plus an interest charge, regardless of your actual tax bracket.

This is a major issue for Americans who invest in Vietnam through locally-domiciled funds. US-listed Vietnam ETFs like VNM or VNAM are generally NOT PFICs (they’re structured as US-registered funds), but a Vietnamese fund you buy through a local brokerage could be. The PFIC reporting requirement (Form 8621) is complex and the penalties are harsh.

Rule of thumb: Stick to US-listed ETFs or direct stock holdings on the Vietnamese exchange. Avoid locally-managed Vietnamese funds unless you’ve confirmed PFIC treatment with your tax advisor.

Bank Interest and Term Deposits

Interest earned on Vietnamese term deposits is taxable as ordinary income on your US return. Vietnam withholds 5% on interest income at the source. You can claim a Foreign Tax Credit for the 5% Vietnamese withholding, reducing your US tax on that interest — but you still must report it.

If you’re earning 5.5% on a $100,000 VND term deposit, that’s $5,500 of interest income that must appear on your US tax return. The 5% Vietnamese withholding ($275) becomes a credit against your US tax liability.

Vietnamese Stock Dividends and Capital Gains

Dividends from Vietnamese stocks are subject to 5% Vietnamese withholding tax. This is reported on your US return as foreign dividend income, with the 5% Vietnamese tax claimable as a Foreign Tax Credit.

Capital gains from selling Vietnamese stocks are taxed at 0.1% of the transaction value in Vietnam (not on the gain — on the total sale price). For US purposes, the gain is taxed as a capital gain at your US rate (0%, 15%, or 20% depending on your income and holding period). The 0.1% Vietnamese tax is claimable as an FTC, though it’s usually far less than the US tax owed on the gain.

Rental Income from Vietnamese Property

If you own property in Vietnam and earn rental income, you’re taxed in both countries. Vietnam taxes rental income at 5% VAT + 5% PIT = 10% combined on gross rental revenue (for annual income exceeding VND 100 million). The US taxes net rental income (after deductible expenses and depreciation) at your marginal rate.

The Vietnamese taxes paid can be credited against your US tax through the FTC. Most American landlords in Vietnam end up with minimal net US tax on rental income after applying the credit — but you must report it correctly.

Key Filing Deadlines for Americans in Vietnam

If You’re Behind: The Streamlined Procedure

Many Americans in Vietnam discover their filing obligations years after moving. If you’ve been non-compliant — haven’t filed returns or FBARs — don’t panic, but act quickly.

The IRS Streamlined Filing Compliance Procedures allow qualifying taxpayers to file 3 years of delinquent tax returns and 6 years of FBARs without the standard failure-to-file penalties. To qualify, you must certify that your non-compliance was “non-willful” (you didn’t know about the requirement or made an honest mistake) and you must complete the process before the IRS contacts you.

This is a legitimate amnesty program that thousands of expats have used successfully. But the certification of non-willfulness is a legal statement — work with a qualified expat tax firm to prepare it properly.

Recommended Tax Professionals

US expat taxation is a specialty. Your hometown CPA who does small business returns is almost certainly not qualified to handle the FEIE/FTC optimization, FBAR/FATCA reporting, PFIC analysis, and Vietnam-specific issues. Use a firm that specializes in US expat taxes:

Established firms serving Americans in Vietnam include Greenback Expat Tax Services, Taxes for Expats (TFX), MyExpatTaxes (DIY platform with professional support), Bright!Tax, and 1040 Abroad. Most offer remote consultations and fully online filing. Expect to pay $500-2,000 for a comprehensive return with foreign income, investments, and FBAR/FATCA reporting.

The cost of professional preparation is a fraction of the penalties you’d face for incorrect filing. This is not the area to DIY unless you have genuine tax expertise.

State Taxes: Don’t Forget

Moving to Vietnam doesn’t automatically end your state tax obligations. Several states are “sticky” — they continue taxing your worldwide income even after you leave. California, New Mexico, and Virginia are notorious for this. If you last lived in one of these states, you may need to take specific steps to establish that you’ve severed residency.

Even in non-sticky states, confirm that you’ve properly terminated your state residency (cancelled driver’s license, deregistered to vote, closed local bank accounts) to avoid unexpected state tax bills.

The Bottom Line

Taxes are the least exciting part of the Vietnam expat experience — but getting them wrong can be devastatingly expensive. The system is manageable if you understand three core principles: file every year (even if you owe nothing), report every foreign account (FBAR/FATCA), and use the FEIE and FTC strategically to minimize your actual tax bill.

Most Americans in Vietnam who work with a qualified expat tax professional end up owing zero or minimal US federal tax. The filing is a compliance exercise, not a financial burden. But the penalties for ignoring it — $10,000+ per unfiled FBAR, interest, and potential criminal exposure — make compliance non-negotiable.

For the broader picture on building wealth in Vietnam, see my guides on investment options, retirement planning, and cost of living.

Frequently Asked Questions

Keep Reading

• Retirement guide: Retire in Vietnam: The Complete American’s Guide
• Term deposit income: Vietnam Term Deposits: 5-6% Guaranteed Returns
• Dividend income: Vietnam Dividend Stocks: 10 Best Payers for Income
• ETF investing: VNM vs. VNAM vs. KPHO — Which Vietnam ETF?
• Property ownership: Can Foreigners Buy Property in Vietnam?
• Cost of living: What Does It Actually Cost to Live in Vietnam?
• Yield analysis: Vietnam Yield: What Returns Are Realistic?
• Start here: The Ultimate Guide to Investing in Vietnam

Sources: IRS.gov, Greenback Expat Tax Services, Taxes for Expats (TFX), MyExpatTaxes, Bright!Tax, 1040 Abroad, Expatfile. Tax rates and thresholds current as of the 2025 tax year (filing in 2026). Vietnamese tax rates from Vietnam General Department of Taxation.