U.S. Expat Investing Abroad: Why “Going Local” Is Often the Wrong Move

U.S. expat investing abroad often feels like the responsible thing to do. When you move overseas, life opens up in exciting ways, whether that means navigating street markets in Bangkok, settling into life in Dubai, or enjoying the beaches in Mexico.

As you get comfortable in your new home, it is natural to start thinking more seriously about your finances. You may walk into a local bank or meet with a financial advisor who recommends a local investment product. It might be called a Unit Trust, a Mutual Fund, or a long-term Savings Plan.

While this sounds sensible, U.S. expat investing abroad can unintentionally create a complex and expensive tax situation for American citizens.

Here is why keeping your investments connected to the United States is usually the safer and simpler choice.

PFIC Rules and U.S. Expat Investing Abroad

The United States has a specific tax classification called a Passive Foreign Investment Company, commonly referred to as a PFIC.

For U.S. expat investing abroad, a PFIC generally includes any pooled investment fund that is not domiciled in the United States. Common examples include:

• Mutual funds based in Mexico or Europe
• Unit Trusts sold throughout Southeast Asia
• ETFs listed on foreign stock exchanges
• Insurance-wrapped Savings Plans often marketed in the Middle East

The issue is not that these products are poor investments. The issue is that the IRS taxes them very differently than U.S.-based funds.

You can learn more directly from the IRS here:

https://www.irs.gov/forms-pubs/about-form-8621

Why PFIC Taxes Are So Harsh for Americans Abroad

When Americans invest in U.S.-domiciled ETFs, long-term gains are generally taxed at favorable capital gains rates.

When U.S. expat investing abroad involves PFICs, the tax treatment changes significantly.

Higher Tax Rates on Foreign Investments

PFIC gains are often taxed as ordinary income rather than capital gains. This means investment growth may be taxed at your highest marginal tax rate, which can be as high as 37 percent.

Interest Charges on Deferred Gains

The IRS uses a time-weighted formula that spreads gains across each year the investment was held. This calculation often includes an interest charge on deferred taxes, which can significantly reduce overall returns.

Complex Reporting Requirements for Expats

PFIC investments require filing IRS Form 8621, one of the most complex reporting forms in the tax code. Many tax professionals charge higher preparation fees because of the time involved.

IRS instructions for Form 8621 can be found here:

https://www.irs.gov/instructions/i8621

FEIE, IRAs, and U.S. Expat Investing Abroad

Another common issue for Americans overseas involves retirement contributions.

Many expats rely on the Foreign Earned Income Exclusion to reduce U.S. taxes. However, U.S. expats investing abroad requires careful coordination between tax strategy and retirement planning.

To contribute to an IRA, you must have taxable compensation. If you exclude all earned income using the Foreign Earned Income Exclusion, your taxable income becomes zero, making you ineligible to contribute to an IRA for that year.

In many cases, particularly for expats living in higher-tax countries, using the Foreign Tax Credit instead may preserve IRA eligibility while still reducing overall tax liability.

More details on the Foreign Earned Income Exclusion are available here:

https://www.irs.gov/individuals/international-taxpayers/foreign-earned-income-exclusion

Address Issues and U.S. Expat Investing Abroad

Some Americans living overseas attempt to keep U.S. brokerage accounts open by using a relative’s address.

While this may seem harmless, it can cause problems. Using a U.S. address can create state tax residency exposure and may violate brokerage compliance rules. If a firm discovers an overseas residence, accounts may be restricted or closed with little notice.

For Americans abroad, proper account structure matters.

A Smarter Approach to U.S. Expat Investing Abroad

For most Americans overseas, U.S. expat investing abroad works best when investments remain U.S.-domiciled and compliant with U.S. tax rules.

Using U.S.-based ETFs and custodians can help avoid PFIC taxation, reduce reporting complexity, and keep long-term planning aligned with U.S. retirement rules.

Let’s Talk

If you are unsure whether you currently own PFIC investments or want help navigating U.S. expat investing abroad, let’s talk.

Gabriel Motta is a fee-only fiduciary financial advisor and President of Inclinevest. Fee only means no commissions, no product sales, and advice designed around your life abroad while keeping your financial foundation solid back in the United States.