Giving up U.S. citizenship: the tax side

A U.S. passport or a long-held green card comes with a worldwide-tax obligation that lasts as long as you hold the status. For some Americans abroad — accidental Americans who learned of the filing requirement decades after they left, or long-term expats who have permanently moved on — formally exiting the U.S. tax system is the goal. This is expatriation: renunciation of citizenship or formal abandonment of long-term resident (green-card) status.

The tax side of expatriation is governed by IRC §877A (the "mark-to-market" expatriation regime, effective June 17, 2008). The mechanics are intricate but the headline is simple: depending on your facts, expatriation may trigger an exit tax on the unrealized gain in your worldwide assets, a permanent gift/bequest tax on transfers to U.S. persons, and ongoing reporting on Form 8854.

This article is the parent piece for the expatriation topic. Detailed mechanics are in the linked articles.

Who §877A applies to

Two categories of person can be "expatriates" for U.S. tax purposes:

1. U.S. citizens who renounce their U.S. citizenship.
2. Long-term residents — green-card holders who have held lawful permanent resident status for at least 8 of the last 15 tax years ending with the year residency ends (IRC §7701(b)(6)).

A short-term green-card holder (less than 8 years) who abandons the card is not subject to §877A. Long-term-resident status is what brings the green-card holder into the exit-tax web. See green-card holder living abroad.

The four ways a U.S. citizen actually expatriates

The IRS recognizes four expatriating acts for U.S. citizens (per the IRS expatriation tax page):

1. Renouncing your citizenship before a U.S. diplomatic or consular officer, upon Department of State approval
2. Furnishing a signed statement of voluntary relinquishment to the Department of State, upon approval
3. The Department of State issues a Certificate of Loss of Nationality (CLN)
4. A U.S. court cancels a naturalized citizen's certificate of naturalization

Most renunciations happen via path (1) — an in-person appointment at a U.S. embassy, formally renouncing under oath, paying the renunciation fee, and receiving a CLN typically months later. The expatriation date for tax purposes is the date of the renunciation act, not the date the CLN is later issued.

For long-term residents, expatriation occurs when:

• Status is revoked or formally abandoned (Form I-407), or
• The resident becomes a treaty resident of a foreign country (taking a treaty position to be taxed as a non-resident of the U.S.) without waiving treaty benefits

The two-track system: regular vs. "covered" expatriate

Anyone who expatriates files Form 8854. The form has two purposes:

1. Notify the IRS that you've expatriated
2. Determine whether you are a covered expatriate

A "regular" expatriate just files the form and exits cleanly. A covered expatriate is subject to additional tax: the exit tax under §877A on unrealized gain in worldwide assets, plus continuing §2801 implications for gifts to U.S. persons.

You are a covered expatriate if any of the three tests is met.

The three covered-expatriate tests (2025)

The IRS publishes the indexed amounts annually. For tax year 2025:

1. Income tax test

Your average annual net U.S. income tax liability for the 5 tax years ending before the date of expatriation exceeds $206,000 (2025 amount, indexed for inflation under §877A(a)(2)(A)).

This is the test for "high-income" expatriates. The threshold is on average net income tax — not gross income, not taxable income, but the tax you actually owed. Most expats well below this number simply because FEIE or FTC zeroed out their U.S. tax in prior years. Wealthy or U.S.-based earners in the years before expatriation are the ones who trip this test.

2. Net worth test

Your net worth is $2 million or more on the date of expatriation (statutory amount under §877A(a)(2)(B); not inflation-adjusted).

Net worth is all worldwide assets at fair market value, including residences, foreign retirement accounts, business interests, life insurance cash value, and gifts you've received that haven't been spent. This catches anyone with meaningful assets — and the $2 million number hasn't moved since 2008, so it catches more people each year as asset prices rise.

3. Certification test

You fail to certify on Form 8854 that you've complied with all U.S. federal tax obligations for the 5 tax years before expatriation.

This is the trap for non-filers. Even if your net worth is modest and your historical income tax was low, simply not having filed returns for the prior 5 years makes you a covered expatriate by default. You cannot truthfully certify compliance you didn't have.

For accidental Americans considering renunciation, this is the test that matters most — and the one that the Relief Procedures for Certain Former Citizens is designed to address (covered below).

The two exceptions

Per IRC §877A(g)(1)(B) and the Form 8854 instructions, two narrow categories are never treated as covered expatriates even if they trip a test:

Dual citizen at birth exception

Both must be true:

1. You became a U.S. citizen and a citizen of another country at birth, and as of the expatriation date you remain a citizen of that other country and are taxed there as a resident.
2. You have been a U.S. resident for no more than 10 of the 15 tax years ending with the year of expatriation, using the substantial presence test.

This protects people born with dual citizenship who have lived their lives mostly outside the U.S. (a common profile for European or Latin American "accidental Americans" whose parents are U.S. citizens but who have always lived abroad).

Minor exception

Both must be true:

1. You expatriate before age 18½.
2. You have been a U.S. resident for no more than 10 tax years before expatriation.

This is rare — minor expatriation is itself unusual — but protects U.S.-citizen children who have grown up entirely abroad and renounce as soon as they're eligible.

Note: both exceptions still require filing Form 8854; you just escape the covered expatriate status and the associated exit tax.

What being a covered expatriate triggers

Three things, each with its own mechanics:

1. Mark-to-market exit tax (§877A(a))

Your worldwide assets are deemed sold at fair market value on the day before the expatriation date. The unrealized gain is reported on your final-year U.S. return.

The first $890,000 of net gain is excluded for tax year 2025 (the §877A(a)(3) exclusion, indexed for inflation). Above that, the gain is taxed as if you'd actually sold each asset — long-term capital gain rates for assets held >1 year, ordinary rates for inventory/short-term.

You can elect to defer payment of the exit tax until actual sale of the deemed-sold asset, by filing Form 8854 with a security/bond arrangement and paying interest in the interim. The election is per-asset.

The exit tax is the headline reason covered-expatriate status hurts: it pulls forward what would otherwise be future capital gains, and pays U.S. tax on them all at once.

2. Specified tax-deferred accounts (§877A(e))

Your IRAs (other than SEP/SIMPLE), 529 plans, ABLE accounts, Coverdell ESAs, HSAs, and Archer MSAs are deemed distributed in full on the day before expatriation. The entire balance is included in ordinary income for the expatriation year.

This is brutal for anyone with substantial retirement savings — a $500K Traditional IRA becomes $500K of ordinary income in one tax year, taxed at the top brackets, with no exclusion available against this category.

3. Deferred compensation (§877A(d))

Your deferred compensation (employer pensions, 401(k)s, deferred bonus arrangements) is split into two categories:

• Eligible deferred compensation items: the payor (the U.S. employer/plan) withholds 30% on future distributions. You file Form W-8CE to elect this treatment and waive treaty rate reductions.
• Ineligible deferred compensation items: the present value of the accrued benefit is included in income on the expatriation-year return — paid up front rather than at distribution.

The distinction depends on whether the payor is a U.S. person willing to accept the W-8CE notification.

4. Section 2801 "covered gift" tax — a permanent tail

This one matters even if you escape the exit tax. IRC §2801 imposes a tax on U.S. citizens and residents who receive gifts or bequests from a covered expatriate.

The tax is paid by the recipient, not the expatriate, at the highest gift-tax rate (currently 40% in 2025). It applies indefinitely after expatriation — no statute of limitations, no asset threshold beyond the annual gift exclusion.

For an expat planning to gift assets to U.S.-citizen family members after renunciation, this is the rule that converts what would have been tax-free family transfers into a 40% bill for the recipients. The §2801 implementing regulations were finalized in January 2025 after years of being pending.

The Relief Procedures for Certain Former Citizens

The IRS introduced this program in September 2019 specifically for accidental Americans:

• People with no more than $25,000 of net U.S. tax liability in total for the year of expatriation and the 5 prior years combined (after applying FEIE / FTC)
• Net worth at expatriation less than $2 million
• Non-filer due to non-willfulness

Qualifying individuals can file their delinquent returns + Form 8854 + a non-willfulness statement and have all penalties waived. Critically: the certification test is satisfied by completing this process, so they avoid covered-expatriate status entirely.

This is the cleanest path for accidental Americans with modest wealth who want to exit the U.S. tax system. The program is narrow but extremely valuable when it fits.

Filing obligations during and after expatriation

The expatriation year:

• Final dual-status return: Form 1040 covering the year through the expatriation date (U.S. citizen / resident period), and Form 1040-NR covering the rest of the year (non-resident period, for any U.S.-source income only)
• Form 8854: filed with the final return
• Form W-8CE: filed with U.S. payors of eligible deferred compensation within 30 days of expatriation (or before the first distribution, whichever is earlier)

Annual filings after expatriation:

• Form 8854 annually if you elected to defer exit tax on any asset, or have eligible deferred compensation items in progress, or hold an interest in a non-grantor trust subject to ongoing §877A reporting
• Form 1040-NR in any future year you have U.S.-source income subject to U.S. tax

Missing Form 8854: $10,000 penalty per year, unless reasonable cause is shown.

The renunciation fee

The current Department of State fee for renunciation of U.S. citizenship is $2,350, paid at the embassy at the time of the renunciation appointment. (Verified against current State Department schedule of fees for consular services.) The fee covers administrative processing of the CLN and is not refundable if you change your mind.

The fee is non-deductible for U.S. tax purposes — it's a personal expense, not a tax-related cost.

The order of operations that matters

For someone considering renunciation and not already compliant with U.S. tax, the wrong order is irreversible:

Wrong order: Renounce → discover you needed to file 5 years of returns → file them with penalties → realize you became a covered expatriate by failing the certification test → owe exit tax retroactively.

Right order: Get into compliance first (Streamlined Filing Procedures or, if eligible, the Relief Procedures for Certain Former Citizens) → file 5 clean years of returns → certify compliance on Form 8854 → then renounce.

The certification test is determined at the moment of expatriation. Cleaning up tax compliance after renunciation does not retroactively cure covered-expatriate status. This is why anyone with messy prior compliance should not walk into the embassy without first running the timeline with a credentialed cross-border tax pro.

Common expatriation mistakes

• Renouncing while non-compliant. Triggers covered-expatriate status via the certification test, even if net worth and historical tax are low.
• Counting on the dual-citizen-at-birth exception without verifying both conditions. The 10-of-15 U.S. residency cap eliminates many people who think they qualify.
• Forgetting the §2801 tail. Gifts to U.S. relatives after renunciation cost the recipients 40%, indefinitely.
• Missing Form W-8CE for eligible deferred compensation. Without it, the payor may withhold at the full statutory rate with no treaty reduction.
• Treating expatriation as "filing a form and being done." Asset deferrals, deferred comp, and §2801 create multi-year reporting tails.
• Not running Form 8854 numbers before booking the embassy appointment. Once renunciation happens, the mark-to-market valuation is fixed at the day before — you can't time the market in retrospect.

Next steps

• Form 8854 explained — the mechanics of the form, line by line
• Exit tax and covered expatriate — deep dive on the mark-to-market math
• Green-card holder living abroad — the 8-year long-term resident clock
• Streamlined Filing Procedures — the cleanup path before renunciation
• This article is educational only. The expatriation decision combines tax, immigration, citizenship law, and estate planning. Run your specific facts past a credentialed cross-border attorney and EA before any embassy appointment.

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Sources used

• IRS, "Expatriation tax" — covered-expatriate framework, four expatriating acts, $890K exclusion for 2025
• IRS, "Instructions for Form 8854 (2025)" — dual-citizen and minor exceptions, specified tax-deferred accounts, deferred compensation treatment, $10K penalty, W-8CE timing
• IRC §877A, §877(e), §7701(b)(6), §2801 (statute references)
• $206,000 income test threshold for 2025 from the Form 8854 instructions
• "Relief Procedures for Certain Former Citizens" — the $25K / $2M relief program
• State Department schedule of consular fees for the $2,350 renunciation fee