A Dutch private-sector pension, annuity or AOW paid to a Portuguese resident is taxable only in Portugal under article 18(1) of the 1999 Netherlands-Portugal convention.
The Netherlands may also tax a private-sector pension or annuity under article 18(2), but only if it was built up with Dutch tax relief, Portugal taxes it below its general rate for employment income or taxes less than 90% of its gross amount, and the recipient's pensions, annuities and social security payments exceed EUR 10,000 gross in the calendar year.
This page helps you coordinate Dutch emigration rules, Portuguese residence, and the Netherlands-Portugal treaty before either side files from the wrong assumptions.
Dutch cases turn on three things: the conserverende aanslag (the Dutch exit charge) on the way out, how the treaty splits the AOW from occupational pensions, and whether any future treaty change alters pension taxing rights.
Why Dutch Movers To Portugal Face A Specific Corridor
Leaving the Netherlands does not immediately end Dutch tax exposure. If you own a substantial shareholding (a DGA with a BV) or have built up Dutch pension and annuity rights, the Belastingdienst can issue a conserverende aanslag, a protective assessment, when you emigrate.
Once you are resident in Portugal, the treaty decides who taxes each pension, and the answer differs sharply between the AOW state pension and an occupational pension.
On top of that, the Dutch government aims to renegotiate the treaty so that the Netherlands can tax Dutch pensions at source, preferably in full (letter to parliament of 19 February 2025).
No negotiating round has taken place since 2019, and Portugal remains on the Dutch negotiating list for 2026, so a move planned around Portugal-only pension taxation carries a forward risk.
And on the Portuguese side, IFICI (the regime that replaced NHR) does not exempt foreign pensions, so the old NHR benefit for Dutch retirees is gone.
How The Netherlands-Portugal Treaty Allocates Your Income
The Netherlands and Portugal tax under a double tax treaty, so each income type is allocated, with the other country giving relief. As a broad map:
| Income type | Where it is taxed | Notes |
|---|---|---|
| AOW state pension | Usually Portugal as residence country | Confirm the current treaty article and any Dutch domestic withholding position before filing. |
| Dutch occupational or private pension | Possibly both | Portugal taxes as residence, but the Netherlands can tax at source where the treaty conditions are met (see below). |
| Dutch government-service pension | Generally the Netherlands, except where the recipient is both resident in and a national of Portugal under the treaty exception. | |
| Employment | Where the work is performed | Residence (Portugal) unless the work is physically done in the Netherlands. |
| Dividends and interest | Netherlands may withhold, Portugal taxes with a credit | Reclaim Dutch withholding down to the treaty rate. |
| Capital gains on securities | Portugal (residence) | Except the Dutch substantial-interest claim preserved by the conserverende aanslag. |
| Dutch real estate (rent and gains) | Netherlands (where the property is) | Portugal taxes too and credits the Dutch tax. |
Confirm the exact treaty articles and capped withholding rates for your income before filing.
The Conserverende Aanslag: The Dutch Exit Charge
When you emigrate, the Belastingdienst can issue a conserverende aanslag, a protective assessment, over things built up while you were Dutch resident: most importantly a substantial shareholding (Box 2, for a DGA with a BV), treated as a deemed disposal at departure, and tax-facilitated pension and annuity rights.
For a move to an EU country like Portugal, payment is automatically deferred without interest or a guarantee, so it is usually not an immediate cost. Two cautions: the substantial-interest protective assessment can remain in force without the former ten-year lapse. Deferral, reporting, and revocation consequences depend on the assessment date, transaction, and applicable conditions. Any share or pension decisions should take this into account.
Pensions: AOW Versus Occupational, And The Treaty Renegotiation
This is the central issue in most Dutch cases. The AOW state pension and an occupational or private Dutch pension can be taxed differently under the treaty.
Occupational and private pensions built up with Dutch tax relief give the Netherlands a right to tax at source under Article 18(2) only if, in addition, Portugal taxes the pension below its general rate for employment income or taxes less than 90% of its gross amount, and the recipient's pensions, annuities and social security payments total more than EUR 10,000 gross in the calendar year.
Under the treaty protocol, Portugal's general deduction for pension income does not on its own satisfy the condition on Portuguese taxation. So each Dutch pension should be classified on its own facts, not filed under one generic rule.
Two things make this urgent to get right. First, under IFICI a Dutch pension that Portugal taxes is taxed at normal progressive Portuguese rates, not a reduced regime rate. Second, pension treaty policy can change, and any future treaty update could move where your pension is taxed. That risk affects any long-term plan, but the filing must follow the treaty actually in force for the year.
Box 3 And Dutch Assets After You Leave
For a nonresident, Box 3 is generally limited to specified Dutch property and related rights. The current system starts from a notional return but permits an actual-return counterproof; transition to a future actual-return system is not yet a universal completed change.
Coordinating Belastingdienst And Finanças
Keeping a Dutch company, Dutch property, or Dutch pensions usually means filing in the Netherlands and in Portugal at the same time, with the treaty deciding who taxes what and Portugal granting a credit for Dutch tax. Two returns, one treaty position.
The work is making both filings rely on the same facts so the credits line up, the conserverende aanslag is tracked, and a possible treaty change is anticipated.
Frequently Asked Questions
Does the Netherlands still tax me after I move to Portugal?
Generally only on Dutch-source income once you have emigrated and are treaty-resident in Portugal. The Netherlands can still tax Dutch real estate, government-service pensions, occupational pensions at source where all the conditions of Article 18(2) are met, and Dutch dividends within treaty limits, while Portugal taxes your worldwide income as the country of residence and credits the Dutch tax.
What is the conserverende aanslag?
It is a protective assessment the Netherlands issues when you emigrate, covering a substantial shareholding (for a DGA with a BV) and tax-facilitated pension or annuity rights. Moving to an EU country like Portugal gives automatic interest-free deferral, so it is usually not an immediate cost, but the substantial-interest assessment now lasts indefinitely and can be triggered by selling the shares or by failing to file the annual statement.
Is my AOW taxed in Portugal or the Netherlands?
In practice the AOW state pension is taxable in Portugal as your country of residence; Dutch case law has held the Netherlands may not tax a Portuguese resident's AOW. An occupational or company pension can be different and may be taxable in the Netherlands at source, so the two should be assessed separately.
Does IFICI cover my Dutch pension?
No. IFICI, the regime that replaced NHR, does not exempt foreign pensions; where Portugal taxes a Dutch pension it does so at standard progressive rates. The old NHR reduced-rate treatment is not available to new movers, and most retirees do not qualify for IFICI.
Is the Netherlands-Portugal treaty changing?
The Dutch government’s letter to parliament of 23 April 2026 lists Portugal among its ongoing treaty negotiations: the Netherlands aims to agree source-state taxation of pensions, preferably in full, but the negotiations have not resumed since the first round in 2019.
The government’s quarterly treaty overview, in its 1 July 2026 edition, lists the 1999 convention as in force. A negotiation announcement does not change the rule for a pension payment: establish whether a later instrument has entered into force and applies to that payment before changing the filing position. Review the status before a withdrawal or move that relies on the current allocation.
Related guides
- Guide · How Portugal taxes foreign pensions in 2026Check how Portugal taxes UK, US and other foreign pensions: treaty treatment, existing NHR rights, pension deductions and lump-sum risks.
- Guide · Foreign income in Portugal: Anexo J step by stepA Portuguese tax resident is taxed on worldwide income, including income obtained abroad (CIRS art. 15(1)).
- Guide · Moving to Portugal: tax checklist for 2026Plan the tax steps before and after a move to Portugal: home-country departure, tax residence, NIF, income records, IFICI and your first return.
For people living in Portugal with ties to the Netherlands: we answer your questions, prepare your Portuguese return with your income from the Netherlands and work with your adviser there.
Tax Consultation
A 30-minute call with your adviser, then a follow-up memo within 3 working days after the call.
Bring one question, such as your tax residence this year, whether IFICI applies to you, or the tax on a pension or a sale.