Irish-Domiciled vs US-Domiciled ETFs: Dividend Tax and Estate Tax Compared

Two ETFs can track the same index and still leave very different amounts in your pocket. For Singapore investors, the fund's domicile matters because of two US taxes: dividend withholding and estate tax.

Layer 1: dividend withholding

US-domiciled ETF held directly: the ETF's distributions are US-source dividends to you, a nonresident alien, so 30% is generally withheld (Singapore has no US income tax treaty).

Irish-domiciled ETF: the US dividends are paid to the fund, an Irish resident. Article 10(2)(b) of the US–Ireland treaty caps US tax on dividends beneficially owned by an Irish resident at 15% of the gross amount (5% applies only to companies owning at least 10% of the voting stock). Whether a particular fund qualifies depends on the treaty's conditions, including the limitation-on-benefits rules, so check the fund's documents.

Layer 2: costs (TER)

Irish UCITS versions of popular index ETFs sometimes have a higher total expense ratio (TER) than their US counterparts. The dividend saving has to outweigh any TER gap, which depends on the index's dividend yield. That is exactly what our calculator compares.

Worked example (illustrative inputs)

US$100,000 invested in an index with a 1.5% dividend yield. Inputs for the TERs are your own; here we use 0.03% for the US ETF and 0.07% for the Irish ETF purely as an illustration.

The calculator is a simplification: it does not model any further taxes inside the fund, tracking differences, securities lending income, or withholding by countries other than the US.

Layer 3: US estate tax

The IRS states that stock of a US corporation is US-situated property no matter where the certificates are held, while stock of non-US corporations is generally property located outside the US. Directly held US ETFs therefore count toward the US$60,000 filing threshold for nonresidents' estates; shares of an Irish fund generally do not. See US estate tax on US stocks.

Singapore side

IRAS states that gains from buying and selling shares and other financial instruments are generally viewed as personal investments and not taxable, and that foreign dividends received by resident individuals (other than through a Singapore partnership) are generally not taxable. Domicile choice is therefore mainly about the US layers.

Sources

1. IRS: US–Ireland income tax treaty (1997), Article 10
2. 26 U.S. Code § 871 (LII)
3. IRS: Table 3, List of Tax Treaties (updated through 26 Sep 2025)
4. IRS: Estate tax FAQs for nonresidents not citizens
5. IRS: Instructions for Form 706-NA (Rev. 09/2025)
6. IRAS: Dividends
7. IRAS: Gains from sale of property, shares and financial instruments

Facts checked on 17 October 2026. General information only; not tax, legal or investment advice.

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