How Non-US Investors Can Buy US ETFs
Buying VOO from abroad is technically easy — the harder question is whether you should. Dividend withholding, a $60,000 estate-tax threshold and PRIIPs rules often make an Irish-domiciled equivalent the better buy.
Don't have time? Here's what you need to know:
- 1Non-US investors can usually buy US ETFs, but a 30% dividend default, a ~$60,000 estate-tax threshold and EU PRIIPs rules often make UCITS funds better.
- 2A W-8BEN certifies foreign status and claims a treaty rate (often 15%); with no treaty it cannot reduce the 30% withholding.
- 3US-domiciled ETFs are US-situs assets exposed to US estate tax up to 40%; Irish UCITS funds are not.
- 4EU retail investors generally cannot buy US ETFs at all and must use UCITS equivalents like CSPX, VUSA, IWDA or VWCE.
Yes, You Can Buy US ETFs — The Real Question Is Whether You Should
Plenty of non-US investors open an account with a broker that offers US-listed funds, file a form, and buy VOO or VTI just as an American would. Mechanically it is straightforward. The reason this guide spends most of its time on tax structure rather than on how to place the trade is that, for a non-US person, the right answer is usually not the US-listed fund at all — even though it is the one every American article recommends.
Three forces work against the non-US buyer of US-domiciled funds: a 30% default withholding on US dividends, a US estate-tax exposure that begins at roughly $60,000 of US-situs assets, and, for EU-based investors, regulations that block these funds outright. Knowing how each one works is what separates a portfolio that quietly leaks money from one that is structured correctly.
The W-8BEN and the 30% Dividend Default
When a non-US person holds a US-domiciled fund through a US broker, the United States withholds tax on the dividends before they reach you. The default rate is 30%. Filing a W-8BEN with your broker certifies that you are a foreign person and, crucially, lets you claim a reduced rate if your country has a tax treaty with the US — often bringing the 30% down to 15% on dividends.
If your country has no US treaty, the W-8BEN still certifies your status but cannot lower the rate below 30%. This is the dividing line. A resident of a treaty country can hold US funds at 15% withholding; a resident of a non-treaty country pays the full 30% and is usually better served by an Irish-domiciled fund, where US dividends are taxed at 15% inside the fund regardless of the investor's own country.
Tip: Always file a W-8BEN before buying US-listed funds through a US broker. Without it you default to 30% withholding even if your country qualifies for less.
Estate Tax: The Bigger, Quieter Risk
Withholding costs a slice of your dividends each year; US estate tax can take a slice of your entire US position when you die. A non-US person who owns US-situs assets — US-domiciled ETFs and individual US stocks both count — is exposed to US estate tax on holdings above roughly $60,000, at rates climbing toward 40%. The generous multimillion-dollar exemption that US citizens enjoy does not apply to you.
A handful of countries have US estate-tax treaties that raise this threshold, but most do not. For the majority of non-US investors, the cleanest way to neutralise the risk is to avoid holding US-situs assets directly and instead hold US exposure through an Irish-domiciled UCITS fund, which is not a US-situs asset even though it owns US stocks internally.
Important: The roughly $60,000 estate-tax threshold for non-US persons is per person, not per account, and applies across all your US-situs holdings combined. A few US stocks plus a US ETF position can cross it without you noticing.
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The UCITS Alternative and the PRIIPs Wall
Irish-domiciled UCITS funds were built for exactly this situation. Funds such as CSPX (iShares Core S&P 500 UCITS), VUSA (Vanguard S&P 500 UCITS), IWDA (iShares Core MSCI World) and VWCE (Vanguard FTSE All-World) give the same underlying exposure as their US cousins, with US dividends taxed at 15% inside the fund, no US estate-tax exposure, and accumulating share classes that reinvest dividends automatically.
For EU-based retail investors the choice is often made for them. Under PRIIPs rules, US-domiciled ETFs do not publish the EU-required Key Information Document (KID), so EU brokers cannot offer them to retail clients — the UCITS version is the only available route. Outside the EU you usually can buy US funds, but the tax structure still tends to favour the UCITS equivalent for non-treaty residents.
| Factor | US-domiciled ETF (e.g. VOO) | Irish UCITS ETF (e.g. CSPX) |
|---|---|---|
| US dividend withholding | 15% (treaty) to 30% (no treaty) | 15% inside the fund |
| US estate-tax exposure | Yes, above ~$60,000 | No (not US-situs) |
| Available to EU retail? | No (PRIIPs/KID block) | Yes |
| Dividend handling | Distributing | Accumulating or distributing |
Frequently Asked Questions
Can non-US investors legally buy US ETFs?
Yes, where the broker offers them. Many non-US investors hold US-listed funds after filing a W-8BEN. The exception is EU retail investors, who are largely blocked by PRIIPs rules because US ETFs do not publish the required Key Information Document. Even where you can buy them, the tax structure often makes an Irish-domiciled UCITS fund the better choice.
Why might a non-US investor prefer a UCITS fund over VOO?
Three reasons: a UCITS fund taxes US dividends at 15% inside the fund regardless of your country, it is not a US-situs asset so it avoids US estate tax above roughly $60,000, and it is available to EU retail investors who cannot buy US funds at all. For non-treaty residents especially, the UCITS equivalent is usually the smarter route.
What does the W-8BEN actually do for me?
It certifies to your US broker that you are a non-US person and lets you claim any reduced dividend-withholding rate your country's tax treaty allows, often cutting the 30% default to 15%. It does not eliminate withholding or estate-tax exposure, and if your country has no US treaty it cannot reduce the 30% rate — it simply documents your foreign status.
Does buying US ETFs expose me to US estate tax?
Yes. US-domiciled ETFs are US-situs assets, so a non-US holder is exposed to US estate tax on amounts above roughly $60,000, at rates up to 40%, unless a specific estate-tax treaty raises the threshold. Holding the same exposure through an Irish-domiciled UCITS fund avoids this, because the UCITS fund is not a US-situs asset.
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Alex Harrington
CFA Level II Candidate, Finance & Economics
Alex Harrington is an independent ETF researcher and personal finance writer with over 8 years of experience analyzing exchange-traded funds. A CFA Level II candidate with a background in economics, Alex has reviewed 800+ ETFs and helped thousands of beginners build their first investment portfolios through clear, jargon-free education.
This content is for educational purposes only and does not constitute financial advice. Past performance does not guarantee future results. Consult a licensed financial advisor before making investment decisions.