US Exit Tax: What Expats Must Know Before Renouncing

The US exit tax can generate a six-figure bill on assets you have not sold yet. In 2025, a covered expatriate with $3 million in appreciated stock pays tax on roughly $2.1 million of deemed gains before they walk out of a US embassy having signed their oath of renunciation. The $890,000 exclusion helps, but it does not eliminate the exposure — and most people planning to renounce underestimate how it works until the number is already set.

This guide explains exactly who the exit tax hits, how the math works on both assets and retirement accounts, what green card holders need to know, and what you can do before expatriation day to reduce the bill legally.

Are You a "Covered Expatriate"?

The exit tax only applies to covered expatriates. You become one if you meet any of these three tests on or before your expatriation date:

Test	2025 Threshold	2026 Threshold
Net worth test	$2,000,000 or more	$2,000,000 or more
Average annual income tax test	$206,000 (5-year average net federal tax)	$211,000
Tax compliance certification test	Failure to certify 5 years of full federal compliance on Form 8854	Same

The income tax test uses your actual federal income tax paid over the five years before expatriation — not your gross income or salary. A freelancer who earned $500,000 per year but used the Foreign Earned Income Exclusion to bring their US tax bill down to $40,000/year might not trigger the income test. But if they have $2 million in net worth, the net worth test catches them anyway.

The compliance certification test is the one that surprises people: if you simply fail to file Form 8854 or file it incorrectly, you are automatically treated as a covered expatriate — regardless of your net worth or income tax history. This is not a corner case. The IRS assesses a $10,000 penalty per year for non-filing on top of covered-expatriate status.

How the Mark-to-Market Tax Actually Works

If you are a covered expatriate, the IRS deems you to have sold all of your worldwide property at fair market value on the day before your expatriation date. Every asset you own — US brokerage accounts, foreign real estate, a stake in a private business — is treated as sold at that price. You pay capital gains tax on the resulting gain in your final US tax return, whether or not you actually sell anything.

The 2025 exclusion is $890,000. Net gains below that threshold are not taxed under the exit tax. Net gains above it are taxed at capital gains rates: 20% for long-term gains plus 3.8% net investment income tax (NIIT), for an effective 23.8% federal rate on gains above the exclusion.

Wash sale rules do not apply to losses recognized in a deemed sale, which is one small benefit. The basis of any asset is stepped up to fair market value on exit day, so if you later actually sell the asset, you are not taxed again on the same appreciation.

You can elect to defer payment of exit tax by posting adequate security with the IRS. The catch: you must irrevocably waive any tax treaty rights that would prevent the IRS from collecting. That waiver is permanent. Most practitioners advise against deferral unless liquidity is genuinely tight.

Retirement Accounts: The IRA vs 401(k) Split

Retirement accounts are where the exit tax hits hardest and most unexpectedly. The rules split sharply depending on account type.

IRAs: Deemed Fully Distributed on Exit Day

Traditional IRAs, Roth IRAs, 529 education accounts, HSAs, Coverdell accounts, and Archer MSAs are classified as specified tax deferred accounts under IRC 877A(e). On the day before your expatriation date, the IRS treats you as having withdrawn every dollar from these accounts. The entire balance is included as ordinary income on your exit-year tax return.

A $500,000 Traditional IRA adds $500,000 of ordinary income to your final return. At the 37% bracket — where most covered expatriates land — that is $185,000 in additional federal tax. There is no deferral option and no exclusion that applies to specified accounts. This is the part of the exit tax that most financial advisors miss when they first encounter a renouncing client.

401(k) and Employer Plans: 30% Withholding Forever

Employer-sponsored qualified plans (401(k), 403(b), pension, profit-sharing) are treated differently. They are classified as eligible deferred compensation. Instead of a deemed distribution, you file Form W-8CE within 30 days of expatriation, and thereafter every future distribution is subject to 30% withholding — permanently, with no treaty relief available.

Filing Form W-8CE is a waiver of any treaty rights that might reduce withholding. Most practitioners recommend filing it because it confirms the simplified regime and prevents complications with plan administrators who might otherwise apply inconsistent withholding rules.

Account Type	Exit Tax Treatment	Tax Rate
Traditional IRA	Deemed distribution — entire balance taxable in exit year	Ordinary income (up to 37%)
Roth IRA	Deemed distribution — entire balance taxable in exit year	Ordinary income on earnings; basis returned tax-free
529 Plan	Deemed distribution — entire balance taxable in exit year	Ordinary income on earnings
HSA	Deemed distribution — entire balance taxable in exit year	Ordinary income
401(k) / 403(b)	No deemed distribution; 30% withholding on future payouts	30% flat (no treaty relief for covered expatriates)
Defined benefit pension	No deemed distribution; 30% withholding on future payouts	30% flat (no treaty relief for covered expatriates)

For a full breakdown of managing US retirement accounts while living abroad — including contribution rules, FEIE interactions, and distribution strategies — see the expat 401(k) and IRA retirement guide.

Green Card Holders and the 8-of-15 Rule

The exit tax is not just for US citizens. Long-term permanent residents face the same rules when they abandon their green cards.

A long-term resident is anyone who held a green card for at least 8 of the last 15 tax years. Each year counts if you held the card for even one day of that tax year. An individual who received their green card in 2010 and files for abandonment in 2026 has held it for 16 years — well above the threshold.

Formal abandonment requires filing Form I-407 (Record of Abandonment of Lawful Permanent Resident Status) with USCIS. Tax residency ends on the postmark date when mailed certified with return receipt. Simply letting a green card expire or living permanently abroad does not end US tax residency — the IRS continues to treat you as a US tax resident until formal filing. Many long-term expats are surprised to learn they owe years of unfiled US returns before they can begin the exit tax compliance process.

For renouncing citizens, the process starts at a US embassy or consulate abroad. The State Department charges a $2,350 administrative fee for documenting renunciation of US nationality. The fee is nonrefundable once the oath is administered. Average wait times at many consulates are currently 6–18 months from application to appointment, so planning well ahead is essential.

Form 8854: The Filing That Seals Your Status

Form 8854 (Initial and Annual Expatriation Statement) is the central document in the exit tax regime. It determines your covered-expatriate status, certifies 5-year tax compliance, and calculates your mark-to-market tax liability.

The form is due attached to your final-year US tax return — the same deadline as Form 1040 or 1040-NR for the year of expatriation, including extensions. If you renounce in October 2025, your Form 8854 is due with your 2025 return, normally April 15, 2026 (or October 15 with extension).

Five-year certification requires that you have filed all required US returns, paid all taxes owed, and have no outstanding assessments for the five years ending with the year of expatriation. If any year in that window has unfiled or underpaid returns, clean them up before you expatriate. The IRS assesses a $10,000 penalty per year for failure to file or for filing incomplete information on Form 8854 — and the failure also triggers automatic covered-expatriate status regardless of assets or income.

Section 2801: The Tax Your US Heirs Pay After You Leave

If you become a covered expatriate, US-based heirs face a separate tax when they receive gifts or inheritances from you. Under IRC Section 2801, a US person who receives a "covered bequest" from a covered expatriate owes tax at the highest estate and gift tax rate — currently 40% — on amounts above the annual exclusion.

The IRS finalized Section 2801 regulations effective January 1, 2025. Recipients file Form 708 no later than 15 months after the close of the calendar year in which they received the covered gift or bequest. The rule applies to property regardless of where it is located. A bank account in Singapore left by a covered expatriate to their US-citizen child triggers Form 708 for the child at 40% on the amount above the annual exclusion.

This rule does not apply to transfers to non-US beneficiaries, transfers qualifying for the marital deduction, or charitable transfers. For families building wealth across borders, this is a powerful reason to review beneficiary designations and trust structures well before renouncing. The expat estate planning guide covers cross-border trust structures that can reduce Section 2801 exposure.

Exit Tax Planning Checklist

The following steps are most effective 2–5 years before planned renunciation. None of them work if started the week before your embassy appointment.

1. Audit your net worth against the $2M threshold. Include all worldwide assets at fair market value: real estate, brokerage accounts, business interests, cash, retirement accounts, foreign pensions. If you are at $2.1M and falling below $2M is feasible with legitimate lifetime gifts, planning ahead matters.
2. Calculate your 5-year average income tax liability. Pull tax returns for the five years before planned expatriation. Average the net federal income tax. If you are consistently close to $206,000, reducing income in pre-renunciation years — by deferring income, maximizing deductions, or increasing charitable contributions — can bring the average below the threshold.
3. File and pay all outstanding US returns. Run a compliance audit across all five prior years. Resolve any unfiled FBARs, Form 5471s (controlled foreign corporations), Form 8621s (PFICs), or Form 3520s (foreign trusts). These are separate from income tax returns but part of the certification on Form 8854.
4. Model IRA drawdown against exit-year deemed distribution. Because specified accounts are fully taxable in your exit year at ordinary income rates, Roth conversions or early distributions in prior years at lower tax rates can be more cost-effective than deferring the entire balance. Run the numbers against your projected exit-year marginal rate.
5. Identify appreciated assets and consider realizing some gains early. Harvesting gains in prior years at current capital gains rates may be cheaper than concentrating them in exit year, where the entire gain hits your return at once alongside other exit-year income.
6. Segregate pre-residency deferred compensation. If any deferred compensation is attributable to services performed outside the US while you were a nonresident, that portion is excluded from exit tax treatment under IRC 877A. Document it clearly with your plan administrator.
7. Engage a qualified expatriation attorney or CPA 12–24 months out. The interaction between mark-to-market rules, specified-account treatment, state taxes, and Section 2801 planning is complex. Form 8854 mistakes trigger automatic covered-expatriate status and are difficult to correct after filing.

Understanding the FEIE and foreign tax credit options available during your years abroad — before renunciation becomes relevant — is part of managing your pre-exit tax baseline. The FEIE vs Foreign Tax Credit guide explains how to use both tools to reduce your US tax average in the years before you decide to renounce. The second passport and citizenship-by-investment guide covers the residency documentation that typically precedes renunciation planning.

What Expatriation Does Not Fix

Renouncing US citizenship or abandoning a green card eliminates future US tax on foreign-source income and foreign-held assets. It does not create a clean break from the US tax system for ongoing US-source income:

• Rental income from US real estate: 30% gross withholding, or net-basis election under treaty
• US dividends and interest: 30% FDAP withholding, reduced by treaty in many countries
• Capital gains on US real property: FIRPTA withholding at sale
• Social Security benefits: 25.5% withholding unless a tax treaty reduces it
• Distributions from US retirement plans: 30% withholding for covered expatriates (no treaty relief)

If you hold significant US-source income streams, model what the post-renunciation withholding picture looks like alongside the exit tax bill before deciding whether and when to expatriate.

What to Do Next

If your net worth is above $2 million or your recent annual US income tax bills are approaching $200,000, you are in exit tax territory. The math is mechanical once the thresholds are triggered — but the timing, asset selection, and retirement account strategy in the 3–5 years before expatriation day can make a six-figure difference in the total bill.

Start with a clean 5-year compliance review, then model the mark-to-market calculation against your actual asset mix and retirement balances. A qualified international tax attorney should review Form 8854 before it is filed — the form determines your status permanently and cannot meaningfully be amended after the fact.

Disclaimer: This article is for educational purposes only and does not constitute legal, tax, or financial advice. US expatriation tax law is complex and fact-specific. Rules and thresholds change annually. Consult a qualified international tax attorney or CPA before making any decisions about renunciation, Form 8854, retirement account treatment, or expatriation timing.

Sources checked: IRS.gov expatriation tax page; IRS Instructions for Form 8854; IRC §877A (Cornell Law School); Federal Register, Section 2801 final regulations (effective January 1, 2025); IRS Instructions for Form 708 (December 2025). Thresholds confirmed as of June 2026.