BorderFolio/Methodology/Dividend withholding
Cross-border dividend withholding
Last reviewed 24 August 2026
A dividend crossing a border is taxed in up to two steps: withheld in the fund's country before the money reaches you, then taxed again in the country where you are resident. BorderFolio estimates both steps per instrument, using the domicile of each fund you actually hold and the tax residence you configure. This page states the model, the rate resolution, the exemptions and everything the estimate deliberately does not cover.
The two-step model
For each instrument that pays a dividend:
withheld at source = gross dividend × source rate(fund domicile, your residence)
tax at home = gross dividend × residence rate − foreign tax credit (where the residence grants one)
kept = gross dividend − withheld at source − tax at home
The two steps are computed separately and shown separately. A resident of a country with no personal income tax has a real first step and a zero second step; a resident of a treaty country with a credit may see a large first step that mostly offsets the second. Collapsing them into one "effective rate" hides which of the two you can actually do something about — so BorderFolio doesn't.
How the source rate is resolved
The rate is never taken from a portfolio-wide setting and is never user-editable: it is derived per instrument from the fund's domicile and the treaty status between that country and your tax residence.
| Instrument | Rate applied | Why |
|---|---|---|
| US-domiciled ETF or US stock, residence with no US treaty in force | 30% | US statutory rate on dividends paid to a non-resident. |
| US-domiciled ETF, residence with a US treaty | Treaty rate, commonly 15% | Applies only where the broker holds the required documentation, typically a W-8BEN. |
| US-domiciled ETF, treaty suspended | 30% | A suspended treaty gives no relief; the statutory rate returns. |
| Irish-domiciled UCITS ETF | 15% at fund level | The fund receives US dividends under the US–Ireland treaty; Ireland applies no further withholding to non-resident investors. |
| US Treasury or money-market distributions | 0% | Interest-type distributions are exempt — deriving the rate from domicile alone would wrongly charge 30%. |
The exemption row matters more than it looks. A portfolio holding a Treasury ETF alongside a world equity ETF has two US-domiciled funds with completely different outcomes, and any tool that reasons from domicile alone gets one of them wrong.
A worked example
Resident of the UAE, holding a US-domiciled world equity ETF paying $1,918 in gross dividends over a year:
- Source step: the UAE has no US income tax treaty, so
$1,918 × 30% = $575is withheld before payment. - Residence step: the UAE levies no personal income tax on dividends, so the second step is
$0. - Kept:
$1,343.
The same gross dividend from an Irish-domiciled UCITS tracking a comparable index would lose 15% at fund level — roughly $288 — instead of $575. Both figures are computed on your position sizes, not on a generic example, and neither is a recommendation to switch: switching has costs and tax consequences of its own, and the comparison exists so you can weigh them.
US estate-tax exposure
Separately from dividends, US-situs assets — US-domiciled ETFs and US stocks — above a $60,000 threshold can expose a non-resident, non-citizen's estate to US estate tax at rates reaching 40%, unless an estate tax treaty provides relief. BorderFolio flags the threshold against your current US-situs value and projects when your actual contribution pace crosses it. Where that pace differs materially from your stated plan, both are shown; the projection is never quietly based on the more flattering one.
Projections and comparisons
Long-horizon comparisons — for example an accumulating UCITS structure against the distributing structure you hold today — use the expected return of your current allocation for price growth, and each fund's own trailing yield for dividends, with withholding applied per instrument. No fixed "market returns 7%" constant is used, and dividends are never grown at an equity growth rate.
Displayed amounts are rounded for readability, and the components of a total are rounded so that they sum to the total shown rather than disagreeing with it by a dollar.
Limitations
- Treaty rates depend on paperwork. A treaty rate applies only if your broker holds valid documentation. If it does not, your real withholding is the statutory rate regardless of what a treaty table says.
- Residence rates are defaults, not your return. The resident rate is a flat modelled default for your country; progressive brackets, allowances, credits, filing status and regional variation are not modelled. Countries with no modellable flat rate are left for you to set explicitly.
- Dividend forecasts are estimates. Forward-looking dividend figures come from trailing yields and past payment patterns; funds change distributions.
- Fund classification can be wrong. Domicile and distribution type are resolved per instrument from fund documentation; an instrument classified incorrectly produces a confidently wrong rate. If a figure looks wrong, the assumption behind it is shown next to it — check it.
- Rules change. Treaty status, rates and thresholds change, and this page carries a review date for exactly that reason.
- This is not advice. Nothing here accounts for your full tax position. Confirm anything material with a qualified adviser in your jurisdiction.
Common questions
How much US dividend withholding tax does a non-US investor pay?
The US statutory rate on dividends paid to a non-resident is 30%. An income tax treaty between the US and the investor's country of residence can reduce it, commonly to 15%, provided the required documentation (typically a W-8BEN) is on file with the broker. Residents of countries with no treaty in force — or with a suspended treaty — remain at 30%.
What is the difference between a US-domiciled ETF and an Irish-domiciled UCITS for withholding?
With a US-domiciled ETF, US tax is withheld on the distribution paid to you, at 30% or your treaty rate. With an Irish-domiciled UCITS, the fund itself receives US dividends at the 15% US–Ireland treaty rate, and Ireland applies no further withholding on distributions to non-resident investors. For an investor without a US treaty, the Irish structure typically leaks 15% instead of 30% at source.
Is a dividend taxed twice when investing across borders?
It can be. The first step is tax withheld in the fund's country before the money reaches you. The second is tax in your country of residence on the dividend income. Where residence charges no personal income tax, there is no second step; where a foreign tax credit applies, the tax already withheld can reduce what is owed at home.
When does US estate tax apply to a non-resident's ETF holdings?
US-situs assets — which include US-domiciled ETFs and US stocks — above a USD 60,000 threshold can expose a non-resident, non-citizen's estate to US estate tax at rates reaching 40%, unless an estate tax treaty provides relief. Irish-domiciled UCITS are not US-situs assets for this purpose.