Foreign Pensions for US Expats: Reporting, Taxation, and Treaty Benefits

Foreign pensions are simultaneously one of the most important and most misunderstood aspects of US expat tax compliance. Whether you are a retiree drawing from a UK SIPP, a professional contributing to Australian superannuation, or a dual citizen with a Canadian RRSP, the US tax treatment of your foreign pension can differ dramatically from your host country's treatment — and the penalties for getting it wrong are severe.

This guide covers the major foreign pension types, how the US taxes them, what forms you must file, and how tax treaties affect the outcome.

The Core Problem: US Tax vs. Host-Country Tax

Most countries design their pension systems to provide tax deferral: you contribute pre-tax, the investments grow tax-free, and you pay tax only when you withdraw in retirement. The US generally respects this model for US-qualified plans (401(k), IRA), but it does not automatically extend the same treatment to foreign pensions.

The result: Your UK SIPP, Australian superannuation, or Canadian RRSP may be:

• Treated as a foreign trust (triggering Form 3520 and 3520-A).
• Taxed annually on investment growth inside the pension (under grantor trust rules).
• Subject to PFIC rules if the pension holds foreign mutual funds.
• Partially protected by a tax treaty — or not.

UK Pensions: SIPPs and Workplace Pensions

UK Self-Invested Personal Pensions (SIPPs)

US treatment: Most US tax specialists treat SIPPs as foreign grantor trusts.

Why:

• The member has an individual account.
• The member can choose investments.
• Employer and employee contributions are treated as trust funding.

Implications:

• Form 3520 may be required for contributions and distributions.
• Form 3520-A may be required if the SIPP is treated as owned by the participant.
• Investment growth inside the SIPP may be taxable annually to the US participant (grantor trust income inclusion).
• PFIC rules apply if the SIPP holds non-US mutual funds or ETFs.
• The US-UK tax treaty provides some relief for pension income but does not clearly eliminate trust reporting.

Practical advice:

• Hold direct stocks (not funds) inside your SIPP to avoid PFIC complications.
• Consider whether the treaty provides sufficient protection to justify not filing Forms 3520.
• Many practitioners file protective Forms 3520 and 3520-A.

UK Workplace Pensions

US treatment: Similar to SIPPs, but with less member control.

Key difference: If the member has no investment choice and cannot access the account until retirement, some practitioners argue the pension is not a grantor trust. However, the IRS has not issued definitive guidance.

Australian Superannuation

Australian superannuation is one of the most contested foreign pension structures in US tax law.

Arguments for Social Security Treatment (Not a Trust)

• Employer contributions are mandatory under Australian law (Superannuation Guarantee).
• The fund is regulated as a retirement vehicle by the ATO and APRA.
• Benefits are generally payable only at retirement age (preservation age).
• The fund operates similarly to US Social Security in its mandatory nature.

Arguments for Foreign Trust Treatment

• The member has an individual account with a balance.
• The member can often choose investments (especially in self-managed super funds).
• Voluntary contributions (salary sacrifice, personal contributions) blur the mandatory nature.
• The member can sometimes access funds early under hardship provisions.

US-Australia Tax Treaty

The US-Australia treaty provides limited pension relief compared to the US-Canada treaty:

• Article 18 addresses pensions but is less specific about deferral.
• The treaty does not clearly exempt superannuation from trust reporting.
• The IRS has not issued a revenue ruling or private letter ruling specifically addressing superannuation.

Practitioner Positions

• Conservative position: File protective Forms 3520 and 3520-A each year.
• Aggressive position: Treat superannuation as social security, report only distributions, and do not file trust forms.
• Middle ground: File protective forms with a disclosure statement explaining the position.

Self-Managed Super Funds (SMSFs)

SMSFs are more likely to be treated as trusts because the member has full control over investments and administration. If your SMSF holds foreign mutual funds, PFIC reporting (Form 8621) may also be required.

Canadian Pensions: RRSPs, RRIFs, and TFSAs

Registered Retirement Savings Plans (RRSPs)

US treatment: The US-Canada tax treaty provides strong protection.

Under Article XVIII of the treaty:

• Income earned inside an RRSP is deferred for US tax purposes until distribution.
• The US treatment mirrors the Canadian treatment.
• Canadian tax paid on RRSP distributions can be claimed as a Foreign Tax Credit.

Form 8891 (now largely obsolete) was used to elect treaty deferral. Today, most practitioners claim the treaty benefit directly on Form 1040.

Caution: The treaty protection applies to the income deferral, but it does not clearly eliminate Form 3520 reporting. Some practitioners still file protective Forms 3520 for RRSPs.

Registered Retirement Income Funds (RRIFs)

RRIFs receive the same treaty protection as RRSPs under Article XVIII. The conversion from RRSP to RRIF is not a taxable event for US purposes.

Tax-Free Savings Accounts (TFSAs)

Critical: TFSAs are NOT protected by the US-Canada tax treaty.

US treatment:

• TFSAs are treated as foreign trusts for US tax purposes.
• Form 3520 is required for contributions.
• Form 3520-A is required as the trust's annual return.
• Income inside the TFSA is taxable annually to the US owner (grantor trust rules).
• PFIC rules apply if the TFSA holds Canadian mutual funds or ETFs.

Bottom line: TFSAs are extremely tax-inefficient for US citizens. The Canadian tax exemption is meaningless to the IRS, and you pay US tax on growth without any offsetting benefit. Most specialists advise US citizens to avoid TFSAs entirely.

German Pensions: Riester, Rürup, and Betriebsrente

Riester-Rente

US treatment: Riester pensions are subsidized by the German government (Zulage). The US-Germany tax treaty does not clearly address Riester pensions, and some practitioners treat them as foreign trusts. The German tax deferral may not be recognized by the IRS.

Rürup-Rente (Basisrente)

US treatment: Similar to Riester, with unclear treaty treatment. The Rürup pension is designed for self-employed persons and does not receive government subsidies, but the tax deferral is still a German benefit that the IRS may not respect.

Betriebsrente (Company Pension)

US treatment: German company pensions may be treated as deferred compensation rather than trusts, depending on the structure. If the pension is a direct promise from the employer (Direktzusage), it is generally not a trust. If it is funded through a Pensionskasse or Pensionsfonds, it may be treated as a trust.

US-Germany Tax Treaty

The US-Germany treaty addresses pensions in Article 18A, but the language is general and does not specifically name German pension products. Many practitioners rely on the treaty's general pension provision to defer US tax until distribution, but this is not as clearly protective as the US-Canada treaty.

French Pensions: Assurance-Vie and PER

Assurance-Vie

US treatment: Assurance-vie is a life insurance wrapper with investment options. For US tax purposes:

• It is generally treated as a life insurance policy (not a trust) if it meets US tax definition of life insurance.
• However, if the policy is overfunded or does not meet the US definition, it may be treated as a modified endowment contract or a foreign trust.
• PFIC rules apply if the assurance-vie holds foreign funds.

PER (Plan d'Épargne Retraite)

US treatment: The PER is a relatively new French retirement savings vehicle. US tax treatment is unclear because the US-France tax treaty predates the PER and does not address it specifically. Conservative practitioners treat it as a foreign trust and file protective Forms 3520.

Dutch Pensions

Dutch pension systems are primarily employer-sponsored (collectieve pensioenen). The US-Netherlands tax treaty addresses pensions in Article 19, but the treaty language is general.

US treatment:

• Most Dutch company pensions are treated as deferred compensation rather than trusts because the employee has no individual account or investment control.
• The Dutch AOW (state pension) is treated as social security and reported on Form 1040, Line 6a.
• Voluntary pensions (lijfrente) may be treated as annuities or trusts, depending on structure.

Common Mistakes with Foreign Pensions

Mistake 1: Assuming the FEIE Applies

Pension income is not earned income. The FEIE does not apply. This is the most common mistake among retiree expats.

Mistake 2: Not Filing Form 3520

If your foreign pension is a trust, you must file Form 3520. The $10,000 penalty for non-filing applies even if no tax is due.

Mistake 3: Holding Foreign Funds Inside a Pension

If your foreign pension holds non-US mutual funds or ETFs, PFIC rules (Form 8621) may apply in addition to trust rules. This creates a double compliance burden.

Mistake 4: Relying on Host-Country Tax Deferral

The IRS does not automatically respect foreign tax deferral. Just because your host country does not tax pension growth does not mean the US won't.

Mistake 5: Not Reporting Distributions

Even if you properly deferred US tax on pension growth, distributions are taxable in the US as ordinary income (unless a treaty reduces the tax).

How FileAbroad Handles Foreign Pensions

Foreign pension analysis is one of FileAbroad's most nuanced services. We provide:

• Pension classification: We analyze your specific pension structure and determine whether it is a trust, deferred compensation, social security, or insurance contract under US rules.
• Treaty analysis: We review the relevant tax treaty and determine whether it provides deferral, exemption, or foreign tax credit benefits.
• Form 3520 and 3520-A preparation: If your pension is a trust, we prepare the required annual filings.
• PFIC analysis: We evaluate whether your pension holds PFICs and prepare Form 8621 if needed.
• Distribution planning: We model the US tax impact of pension distributions and recommend timing strategies.
• Rollover advice: We advise on whether rolling a foreign pension into a US plan (or vice versa) is beneficial.

For foreign pension analysis, start with the free intake and describe your pension type, host country, and current status.