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In short: As of 2026, the Netherlands has no traditional capital-gains tax for ordinary private investors. Your savings and investments — ETFs, shares, bonds, crypto, a second home — sit in "Box 3" and are taxed on a deemed (assumed) return, not on what you actually made. Assets are measured once, on 1 January 2026. The first €59,357 per person (€118,714 for partners) is tax-free. Above that, investments are assumed to return 6.00% and savings 1.28%, and that assumed return is taxed at a flat 36% — about 2.16% a year on investment value. Holding period is irrelevant. If your real return was lower, a counter-proof scheme can reduce the bill. Rules can change.

Capital gains & investment taxation in the Netherlands (2026)

Kontoo editorial team · Updated 06/25/2026 · 7 min read

The Netherlands taxes investing in a way that surprises almost everyone arriving from abroad: there is no ordinary capital-gains tax for private investors. Instead, your savings and investments fall under "Box 3", a wealth tax based on an assumed return rather than on what you actually earned. Whether your ETF rose 30% or fell, the starting point is the same fixed assumption. Here is how it works in the 2026 tax year, calmly and step by step.

Take a snapshot on 1 January 2026. Add up your savings, ETFs, shares, bonds, crypto and other assets at their value on that single date. What happens during the year is generally ignored.
Deduct the allowance. The first €59,357 per person (€118,714 for fiscal partners) is tax-free; only wealth above it counts.
Apply the deemed returns. Investments use a fixed 6.00% for 2026; savings a provisional 1.28%. These percentages, not your real gains, drive the tax.
Pay 36% on the deemed return — roughly 2.16% per year of your investment value above the allowance. Then check whether the counter-proof scheme could lower it.

What matters

The box system. Dutch personal taxation is split into boxes. Box 1 is income from work and home; Box 2 covers a substantial interest (5%+) in a company; Box 3 is income from savings and investments. Almost every ordinary investor lives entirely in Box 3 — and Box 3 does not work like capital-gains tax anywhere else. It is a wealth tax on an assumed return.

One snapshot a year. On 1 January 2026 (the peildatum), you total your assets: bank balances, ETFs, listed shares, bonds, crypto, receivables and second or rental property. Buying and selling during the year is generally ignored, so your tax depends entirely on that one date (anti-abuse rules catch deposits and withdrawals timed around it).

Deemed returns and the flat rate. Assets are sorted into categories, each with a fixed notional return for 2026: bank/savings 1.28% (still provisional), investments and other assets 6.00% (final), and debts deduct at 2.70% (provisional). The combined deemed return — after the tax-free allowance is proportionally applied — is taxed at a flat 36%. The first €59,357 per person (€118,714 for fiscal partners) is exempt, and a debt threshold of €3,800 per person (€7,600 partners) applies before debts count. In practice, investments held above the allowance are taxed at roughly 6.00% × 36% = 2.16% a year; savings at about 0.46%. There are no holding periods, no short- vs long-term distinction and no progressive gains brackets.

Dividends and interest. Actual dividends and interest are not separately taxed in Box 3 — they're already captured (notionally) by the deemed return. But Dutch dividend tax of 15% is withheld at source on Dutch shares and funds. For residents this is just an advance levy: it is fully creditable and refundable against your income tax, even when your Box 3 bill is lower than the tax withheld (which is common). You reclaim it through the annual return.

ETFs and funds. A privately held ETF or fund is simply an "other asset", valued on 1 January and taxed on the 6.00% deemed return. There is no UK-style reporting-fund regime and no per-fund deemed-income add-on like Germany's Vorabpauschale — the Dutch system is purely value-based.

Box 3 in 2026: above €59,357 per person a deemed 6.00% return on investments is taxed at 36% — about 2.16% of value per year, regardless of your actual gains.

ExampleSuppose a single investor holds €159,357 in a global ETF on 1 January 2026 and no savings or debts. • Tax-free allowance: €59,357 • Taxable investment base: €159,357 − €59,357 = €100,000 • Deemed return (6.00%): €6,000 • Box 3 tax (36%): €6,000 × 36% = €2,160 That is about 1.36% of the total €159,357, or exactly 2.16% of the €100,000 above the allowance — regardless of whether the ETF actually rose, fell or paid any dividend. If the fund distributed dividends with 15% Dutch tax withheld, that withholding is creditable and often refundable on top.

Because Box 3 taxes a fiction, the 15% Dutch dividend tax withheld on your funds is usually more than your actual Box 3 bill on those assets — reclaim the difference via your annual return. To see how a ~2.16% yearly drag compounds over decades, try a compound-interest calculator with and without the cost.

In depth

The counter-proof scheme (tegenbewijsregeling)

After the 2021 Supreme Court "Christmas" ruling found the flat deemed-return system could overtax people, a relief route was added. If your actual total return — interest, dividends, plus realised and unrealised gains or losses, with most costs not deductible — was lower than the deemed return, you can file the "Opgaaf werkelijk rendement" (OWR) and be taxed on the lower, real figure. It's important to understand this includes unrealised value changes, so a strong market year can still produce a high actual return on paper. It is a relief mechanism, not the default basis, and you must opt in.

Foreign withholding tax on US and other ETFs

Foreign dividend withholding can be credited against Dutch tax up to a maximum of 15% (or the lower treaty rate). If a country withholds more — say 26% or 30% — the excess above ~15% is not creditable in the Netherlands and must be reclaimed from the source country under the treaty. US-domiciled ETFs and shares typically suffer 15% US withholding once a W-8BEN is on file, and that 15% is creditable or recoverable here. This makes the paperwork around foreign-domiciled funds worth understanding before you buy.

Green investments and what's coming

There is no ISA- or PEA-style tax-free investment account in the Netherlands. The one favourable category is certified green investments (groene beleggingen), exempt up to €26,715 per person (€53,430 for partners) in 2026, plus a tax credit — but this is being phased out: the exemption drops to €200 per person in 2027 and is abolished from 2028. Bigger still, the entire Box 3 deemed-return system is slated to be replaced by a tax on actual returns, targeted for 1 January 2028 (the bill passed the House on 12 February 2026 and was before the Senate). Timing has slipped before, so 2027–2028 rules remain subject to change.

Checklist

You hold ETFs, shares, bonds or crypto worth more than €59,357 (€118,714 with a partner) on 1 January.
You received dividends with 15% Dutch tax withheld and haven't reclaimed it via your return.
Your actual return was lower than the deemed return — the counter-proof scheme may cut your bill.
You hold US or other foreign securities where more than 15% was withheld abroad.

Common myths

Myth: "If I never sell, I never pay tax on my investments."

Reality: In the Netherlands the opposite logic applies: Box 3 taxes the 1 January value every year regardless of whether you sell. Selling is irrelevant; simply holding above the allowance creates the annual charge.

Myth: "Accumulating ETFs are more tax-efficient than distributing ones here."

Reality: For Box 3 they're taxed identically, because real distributions aren't taxed. The only difference is cash-flow around reclaiming withheld dividend tax — not the tax bill itself.

Sources

Education, not advice. How we work and check figures: Editorial. Figures as of 2026, last reviewed 06/25/2026.

Frequently asked questions

Do I pay tax when I sell my ETF at a profit?

No. As of 2026 there is no capital-gains tax for ordinary private investors in the Netherlands. Selling at a profit (or a loss) does not itself trigger tax. Only the 1 January value of your holdings matters for Box 3 — not whether or when you sold.

Does it matter if my fund is accumulating or distributing?

For the Box 3 tax itself, no — both are taxed identically on the deemed return, because actual distributions aren't taxed. The only practical difference: distributing funds may have dividend tax withheld that you can reclaim, while accumulating funds avoid that reclaim step entirely.

What if my investments lost money this year?

Then the deemed return may overtax you. Thanks to the counter-proof scheme (tegenbewijsregeling), you can file the "Opgaaf werkelijk rendement" form and be taxed on your actual, lower return instead — but note this figure includes unrealised value changes and allows few cost deductions.

All lessons · Glossary · Editorial · Kontoo does the math and explains – this is general education, not tax, legal or financial advice.

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