The Expat Sage Podcast

What Happens To A U.S. Roth IRA After You Move To Spain Portugal Or Switzerland

The Expat Sage

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0:00 | 19:39

One invisible border can rewrite the math of your retirement. We’re talking about the U.S. Roth IRA, the account most Americans treat as a financial fortress, and what happens when you move to Europe and your new country decides that “tax-free” is not their concept to honor.

We walk through the core rule that trips up so many expats: once you become a tax resident abroad, local authorities generally claim the right to tax your worldwide income, and they classify your accounts using their own definitions. From there, we break down three popular destinations with three completely different outcomes. Spain can treat a Roth IRA like a regular taxable investment account, potentially tax the gains on withdrawal, pull the account into wealth tax calculations, and trigger serious compliance pressure through Modelo 720 reporting. Portugal can look at the same Roth as a pension-like annuity, splitting distributions into a return of contributions versus taxable growth, which creates planning opportunities but demands airtight cost-basis records and careful bracket management.

Then we head to Switzerland, where the scrutiny turns microscopic. We explain the Swiss comparability mindset, the six-point test logic, why after-tax Roth funding can fail it, and how “phantom income” style annual taxation plus wealth tax can erode compounding even if you never withdraw. We also flag a trap that can backfire on traditional IRA holders who access funds early. Finally, we end with the France treaty anomaly that shows just how powerful tax treaty mechanics can be.

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Moving, Working, and Investing for Americans Abroad

Why A Roth Turns Risky Abroad

SPEAKER_00

Um so what if I told you that moving just like twenty miles across an invisible line in Europe could basically instantly turn your completely tax-free retirement savings into this uh heavily taxed wealth-draining liability.

SPEAKER_01

Trevor Burrus, Jr.: I mean, it sounds crazy, but yeah, it happens constantly.

SPEAKER_00

Trevor Burrus, Jr.: Right. You spend literally decades building up your U.S. Roth IRA, you know, completely trusting the promise that because you pay taxes on the front end, you're never gonna owe another dime.

SPEAKER_01

Aaron Powell Exactly. You paid your dues.

SPEAKER_00

Yeah. So you pack up, you move to the continent, and then boom, a foreign tax bill arrives that just completely incinerates your retirement budget.

SPEAKER_01

Aaron Ross Powell And we see expats completely blindsided by this all the time because well, they carry this domestic mindset into an international arena.

SPEAKER_00

Oh, totally.

SPEAKER_01

Trevor Burrus, Jr.: They assume a tax shield that was built in Washington is somehow gonna hold up in Madrid or Geneva.

SPEAKER_00

Yeah.

SPEAKER_01

And it just doesn't.

SPEAKER_00

Aaron Powell So today we're taking a deep dive into a huge stack of cross-border tax literature and treaty explanations. Our mission here is to unpack exactly how a U.S. Roth IRA is treated across three really highly sought-after European retirement destinations.

SPEAKER_01

Aaron Powell, we're looking at Spain, Portugal, and Switzerland today.

SPEAKER_00

Aaron Powell Because anyone holding a Roth knows the deal, right? You take the tax hit on the seed money specifically so that the growth is shielded from the IRS forever. I mean, it's a financial fortress. It is, yeah. But we really need to look at what happens when you uh drag that fortress across an ocean.

SPEAKER_01

Well, the walls of that fortress basically crumble the second you establish tax residency in another country.

SPEAKER_00

Just instantly.

SPEAKER_01

Pretty much. The default rule in international tax law is brutally effective. I mean, your country of residence has the right to tax your worldwide income.

SPEAKER_00

Right.

SPEAKER_01

So when you move to Europe, the local tax authorities don't look at your Roth and see some magical tax-sheldered retirement vehicle.

SPEAKER_00

They don't care about the IRS rules.

SPEAKER_01

Not at all. They look at the growth inside that account, they see capital gains, they see earnings, and you know, they just see taxable income.

SPEAKER_00

Which is a massive reality check for you if you're planning this kind of move. You cross a border and suddenly this account totally transforms.

SPEAKER_01

It really does.

SPEAKER_00

So to really understand the mechanics of this, I think we need to look at how specific countries actually decode the Roth.

Spain Treats Roths Like Brokerage

SPEAKER_00

Let's start in Spain, because that seems to represent the absolute worst-case scenario.

SPEAKER_01

Oh, yeah. Spain is tough.

SPEAKER_00

Aaron Powell, When Spain looks at a Roth, they just flat out refuse to acknowledge it as a retirement account at all, right?

SPEAKER_01

Aaron Powell Yeah, they do. Spanish tax authorities evaluate the actual mechanics of a Roth IRA and they classify it as a standard brokerage account.

SPEAKER_00

Aaron Powell Wait, really? Like just a regular e-trade account.

SPEAKER_01

Exactly like that. They treat it as if you were just holding a regular taxable investment portfolio. So when you make a withdrawal, it is classified as investment income.

SPEAKER_00

Oh wow.

SPEAKER_01

Which means the profits and the gains that have accumulated inside your Roth are subject to the Spanish capital gains tax.

SPEAKER_00

Aaron Powell Which they call the uh savings income tax, right? The IRPF.

SPEAKER_01

Yes, the IOPF. And this applies, even though the U.S. applies a zero tax rate to that exact same withdrawal.

SPEAKER_00

Okay. Let's pause in the logic there, because the U.S. and Spain have a tax treaty.

SPEAKER_01

Aaron Powell Right, they do.

SPEAKER_00

So why doesn't that treaty protect the tax-free status? I mean, it feels like carrying a VIP backstage pass, but then the Spanish tax bouncer just treats it like a general admission ticket.

SPEAKER_01

Aaron Powell That's a great way to put it. And it's because the treaty is designed to prevent double taxation, right? Not to guarantee zero taxation.

SPEAKER_00

Aaron Powell, okay. That's a huge distinction.

SPEAKER_01

Aaron Powell It's massive. Under the U.S.-Spain tax treaty, the specific category of income that a Roth distribution falls into is granted exclusively to your country of residence.

SPEAKER_00

Right, which is now Spain.

SPEAKER_01

Exactly. Since the U.S. already taxed the initial contributions, you know, years ago, Spain isn't taxing those again. Trevor Burrus, Jr.

SPEAKER_00

Okay. So the seed money is safe.

SPEAKER_01

Right. But the PROF. Spain says, well, you live here now, you use our roads and our health care, so we have the exclusive right to tax your capital gains.

SPEAKER_00

Aaron Powell Man, it makes me think of like a toll booth. The US IRS operates a toll booth at the entrance of the highway, so you pay before you put the money into the Roth. But Spain operates a toll booth at the exit. And because they literally don't share a ticketing system, Spain doesn't care what you paid at the entrance. They are charging you to leave.

SPEAKER_01

That is a perfect way to visualize it. The fact that the IRS considers it settled business, it just means nothing to the Spanish Agencia Tributaria.

SPEAKER_00

That's wild.

SPEAKER_01

And honestly, it gets even more complicated when you look at how they treat the asset before you even make a withdrawal.

SPEAKER_00

Wait, before you withdraw?

SPEAKER_01

Yeah. Because Spain does not categorize the Roth as a pension. The full market value of your Roth IRA is included in the Spanish wealth tax space.

SPEAKER_00

The uh impuesto sobre el patrimonio, I was reading about this in the sources. So you're saying just holding the asset triggers a tax bill.

SPEAKER_01

Well, depending on where you live in Spain, yes.

SPEAKER_00

Because it's regional.

SPEAKER_01

Exactly. Spain's wealth tax is administered at the regional level by the autonomous communities. So Madrid might have different thresholds and exemptions than, say, Falencia or Andalusia.

SPEAKER_00

Okay, so it varies.

SPEAKER_01

It does, but if the sheer valuation of your Roth IRA pushes your global net worth above whatever your regional threshold is, you owe an annual wealth tax obligation.

SPEAKER_00

Wow. You are paying taxes on the money just sitting there.

SPEAKER_01

Just sitting there compounding. Furthermore, if the balance of your Roth exceeds 50,000 euros, you trigger one of Spain's most notorious reporting requirements. Yes. The Modelo 720.

SPEAKER_00

I saw that mentioned constantly in these sources, usually accompanied by like warnings and giant bold text. What exactly is the mechanism here and why is Spain so aggressive about it?

SPEAKER_01

So the Modelo 720 is a mandatory declaration of overseas assets. Spain actually introduced it in the wake of the European financial crisis to aggressively combat capital flight and tax evasion.

SPEAKER_00

Aaron Powell Okay. So they're hunting for hidden money.

SPEAKER_01

Aaron Ross Powell Exactly. They want to know exactly what you hold outside of Spain. And if you fail to file it, or even if you file it with inaccuracies regarding your Roth IRA, the penalties are notoriously severe.

SPEAKER_00

Aaron Powell How severe are we talking?

SPEAKER_01

We're talking about fines that can decimate a significant percentage of the account's entire value.

SPEAKER_00

Yikes. So you have a situation where the account is heavily taxed upon withdrawal, it's heavily scrutinized on a disclosure form, and it's potentially taxed just for existing.

SPEAKER_01

It's a triple threat.

SPEAKER_00

Yeah. So if you are listening to this and dreaming of retiring in Spain, how do you even navigate this? The sources point to a timing strategy, which, you know, makes sense mechanically.

SPEAKER_01

Pretty much the only way.

SPEAKER_00

Right. Because any withdrawal you make in Spain might include decades of accumulated capital gains. So taking distributions while you are a tax resident could easily push you into a brutal Spanish tax bracket.

SPEAKER_01

Yeah. It forces you to play chess with your residency timeline, essentially.

SPEAKER_00

So what's the move?

SPEAKER_01

Well, the most viable strategy highlighted in the cross-border literature is to completely liquidate the Roth, or at least withdraw the bulk of the growth before you become a Spanish tax resident.

SPEAKER_00

Got it. Do it while the U.S. is still the only one watching. Trevor Burrus, Jr.

SPEAKER_01

Right. Alternatively, you leave the account completely untouched and you just wait until after you eventually leave Spain to take distributions.

SPEAKER_00

Assuming you do leave.

SPEAKER_01

Exactly. It requires a highly personalized strategy because you are constantly weighing your Spanish tax brackets against your U.S. obligations.

SPEAKER_00

Aaron Powell Okay, so if navigating Spanish tax law feels like, you know, walking a tightrope over a volcano, what happens if you decide to avoid it entirely?

Portugal’s Annuity Split Treatment

SPEAKER_01

You go next door.

SPEAKER_00

Right. Let's say you secure a D7 visa, which is that popular residency permit requiring you to show consistent passive income, and you move right next door to Portugal. You take the exact same Roth IRA, you cross the Iberian border, and the taxation mechanics completely transform.

SPEAKER_01

It is a fascinating pivot. Portugal looks at the exact same financial vehicle and categorizes it fundamentally differently. Right. Instead of a standard brokerage account, the Portuguese tax authorities evaluate the Roth IRA and they classify it as a pension-like annuity.

SPEAKER_00

Okay, but why an annuity? A Roth is basically just a bucket of stocks and bonds. What is the legal logic in Portugal that makes them look at that and see an insurance product?

SPEAKER_01

It really comes down to how European financial products are historically structured. In Portugal, they look at the Roth and see a private stream of income built from private capital, which is meant to sustain you in retirement.

SPEAKER_00

Okay, so they're looking at the function, not the contents.

SPEAKER_01

Precisely. That closely mirrors how private annuities function under Article 54 of their tax code. And this classification dictates a really unique split treatment when you start taking distributions.

SPEAKER_00

Okay, break down that split treatment for us. How does the math actually work when you pull money out?

SPEAKER_01

Aaron Ross Powell So Portugal looks at your withdrawal and basically divides it into two buckets. The first bucket is the return of your original contributions, you know, your cost basis. The seed money. Right. Since you built this account with after tax money, Portugal views the return of those contributions as a capital reimbursement.

SPEAKER_00

And under their rules for annuities.

SPEAKER_01

Capital reimbursements are tax-free.

SPEAKER_00

Man, that is a massive mechanical advantage. So if I put, say, $100,000 into the Roth over my career and the account grew to $300,000, Portugal lets me pull that original $100,000 out without taxing it at all.

SPEAKER_01

Correct. But the second bucket is where they get you.

SPEAKER_00

Ah, there it is.

SPEAKER_01

Yeah. The investment earnings, the dividends, the compound growth that happened inside the account. Portugal treats that portion as foreign pension income and it is fully taxable.

SPEAKER_00

Okay, so I want to test a hypothesis here.

SPEAKER_01

Go for it.

SPEAKER_00

If only the growth is taxed and the contributions are a tax-free reimbursement, could I strategically label my withdrawals? Like, could I pull out only my original contributions for the first few years I live in Portugal, owe zero tax, and just leave the taxable growth sitting in the account for later?

SPEAKER_01

Actually, according to the cross-border tax advisors we reviewed, yes. This is a highly viable and common strategy.

SPEAKER_00

Yeah, wow. That's a game changer.

SPEAKER_01

It is, but there's a catch. The burden of proof is entirely on you. You cannot just tell the Portuguese A Torde tributaria that you were only a drawing principal.

SPEAKER_00

They're not just going to take your word for it.

SPEAKER_01

Definitely not. You have to maintain meticulous accounting. You need historical statements, often translated and certified, proving your exact cost basis, and demonstrating that the specific funds you withdrew correspond to that basis.

SPEAKER_00

So lots of paperwork. But assuming you can manage the accounting gymnastics, eventually you will run out of principle, right? Yeah, you will. You will have to dip into that growth bucket eventually. So how punishing is the Portuguese tax hit on that foreign pension income?

SPEAKER_01

Well, that is highly dependent on when you establish residency. If you move to Portugal in time to secure the non-habitual residence status, that's the NHR program, right? Right, which was a special tax regime that unfortunately closed to new applicants at the start of 2024. But if you were grandfathered in, your foreign pension income is taxed at a legacy flat rate of 10% for 10 years.

SPEAKER_00

Wow. I mean, 10% on the growth is obviously not the 0% you'd get in the US, but compared to ordinary income tax, it's a very soft landing.

SPEAKER_01

It really is. But if you do not have NHR status, which is the reality for anyone moving there today, that growth is added to your worldwide income.

SPEAKER_00

Oh boy.

SPEAKER_01

Yeah. It is then taxed at Portugal's progressive income tax rates. And those rates escalate steeply.

SPEAKER_00

Like how steeply?

SPEAKER_01

For 2025, the brackets start at 0% for the first 12,000 euros or so, but they climb rapidly through 13%, 22%, 35%, until you hit a top marginal rate of 47.17% on income over roughly 283,000 euros.

SPEAKER_00

Wait, 47.17%? That's nearly half. Nearly half of your growth is swallowed by the government if you hit that top bracket.

SPEAKER_01

Exactly.

SPEAKER_00

It really shows why treating the Roth like an endless ATM in Portugal is incredibly dangerous. You have to actively manage your withdrawals to stay out of those punishing upper brackets.

SPEAKER_01

You really do. And it just highlights how different the philosophy is from country to country. I mean, Spain wants to tax the wealth and the capital gains, while Portugal wants to tax the pension income.

SPEAKER_00

Which brings us to Switzerland.

Switzerland’s Six Point Reality Check

SPEAKER_00

And if Portugal's split treatment feels like a bureaucratic headache, I mean it is nothing compared to how microscopic the scrutiny gets when you cross into Swiss territory.

SPEAKER_01

Well, Switzerland isn't a league of its own.

SPEAKER_00

They don't just categorize the account, they literally put it on trial.

SPEAKER_01

They really do. Switzerland takes a highly analytical, very rigid approach. When a Swiss resident brings a U.S. retirement plan into the country, the Swiss tax authorities run it through a strict six-point test.

SPEAKER_00

Six points, wow.

SPEAKER_01

Yeah. They want to determine if the U.S. plan is functionally comparable to their own domestic system. Specifically, they are looking to see if it matches a Swiss occupational pension, which they call the second pillar, or a Swiss individual pension, known as Pillar 3A.

SPEAKER_00

Okay, let me guess the mechanics of this test. They are probably looking for like strict age limits on withdrawals or maybe employer matching requirements, things that make it look like a traditional lockdown pension.

SPEAKER_01

Aaron Powell They definitely look at all of that. They look at whether the contributions are locked up until retirement age and whether the plan is formally recognized as a retirement vehicle in the United States.

SPEAKER_00

Makes sense.

SPEAKER_01

But the absolute most critical metric, the one that really makes or breaks the classification, is front-end tax deductibility. Oh Switzerland wants to know when you put the money into this account, did you get a tax deduction for it?

SPEAKER_00

Ah, I see. Because that is how their second and three A pillars work. You put pre-tax money in, it grows, and you are taxed when you pull it out.

SPEAKER_01

Precisely. Because of this specific criteria, traditional IRAs and 401ks often pass the six-point test.

SPEAKER_00

Okay, so the traditional stuff works.

SPEAKER_01

Right. Switzerland looks at a traditional IRA, sees the pretax contributions and the deferred taxation and says, okay, this operates like a Swiss pension, therefore we will treat it as a pension.

SPEAKER_00

But the Roth is funded exclusively with after-tax dollars. You literally take the deduction on the back end, not the front end.

SPEAKER_01

Aaron Powell, which means it fundamentally fails the Swiss test for equivalence.

SPEAKER_00

Just immediately fails.

SPEAKER_01

Yeah. Because it lacks that front-end tax deductibility, Switzerland completely refuses to recognize the Roth IRA as a Pillar 3A individual pension plan.

SPEAKER_00

So if it fails the test, what is the default classification? What do they call it?

SPEAKER_01

They drop it into the category of a standard insurance or financial product.

SPEAKER_00

Oh no.

SPEAKER_01

And this triggers a brutal double whammy for the expat. First, the returns, dividends, and gains inside the Roth are taxed as ordinary income. Second, the underlying assets within the account are subject to the Swiss wealth tax. And the mechanism here is critical. This taxation applies on an annual basis, even if you never make a single withdrawal.

SPEAKER_00

Man, that is agonizing. To use an analogy, it's like uh it's like you own a house that goes up in value and the local government makes you pay income tax on that invisible equity every single year, even though you haven't sold the house and you don't have the cash in hand.

SPEAKER_01

That's exactly what it's like.

SPEAKER_00

Switzerland is literally taxing you on phantom income. Trevor Burrus, Jr.

SPEAKER_01

It completely dismantles the core mathematical advantage of the Roth. The entire purpose of the vehicle in the U.S. is tax-free compounding over decades.

SPEAKER_00

Aaron Powell Right. That compound interest is the whole point.

SPEAKER_01

Aaron Powell But in Switzerland, that compounding is taxed annually as it happens, eroding the growth in real time. Plus, like we said, you pay a wealth tax just for holding the assets.

SPEAKER_00

Aaron Powell I can totally see an expat looking at this and thinking they have a clever workaround though. Oh, people try. Like if I live in Switzerland and my Roth is being drained by phantom income, but my traditional IRA passed the six-point test and is protected as a pension. Well, I'll just pull money from the traditional IRA if I need cash before I retire.

SPEAKER_01

Aaron Powell That is a trap and a very common one.

SPEAKER_00

Aaron Powell Wait, really?

SPEAKER_01

Yeah. Because if you have a traditional IRA and you take a withdrawal before age 59 and a half, you trigger an early withdrawal penalty from the IRS in the U.S.

SPEAKER_00

Aaron Ross Powell Right. The standard 10% penalty.

SPEAKER_01

Trevor Burrus Well, because of information sharing laws like FECA, the Swiss tax authorities will see that transaction.

SPEAKER_00

Oh, I see where this is going.

SPEAKER_01

Aaron Powell When they see that you paid a penalty to the U.S. for early access, they determine that the account is not actually locked down for retirement. Wow. Yeah. They will retroactively decide that your traditional IRA failed the six-point test. They will reclassify it as a financial product, treat it exactly like a Roth, and immediately subjected to those same harsh annual phantom income and wealth taxes.

SPEAKER_00

That is incredible. So one wrong move just pulling cash for like a medical emergency, and you accidentally recode your safe traditional IRA into a highly taxed liability under Swiss law.

SPEAKER_01

It absolutely proves why you cannot apply domestic U.S. logic to an international tax code. The definitions of what constitutes a retirement account are deeply, deeply tied to local legislation.

SPEAKER_00

Taking a step back to look at this holistically, the variance is just staggering. You hold one single financial product, a U.S. Roth IRA, but carrying it into Europe requires navigating three entirely separate realities.

SPEAKER_01

This is dizzying.

SPEAKER_00

In Spain, you are holding a brokerage account subject to exit tolls on your capital gains, regional wealth taxes, and the looming threat of the Modelo 720. Right. In Portugal, you are holding an annuity where you can play accounting games to extract your principal tax-free, but you face escalating progressive taxes on your growth.

SPEAKER_01

Up to nearly 50%.

SPEAKER_00

Yeah. And in Switzerland, you are holding a financial product that gets drained by phantom income and wealth taxes every single year, even if you never touch a dime.

SPEAKER_01

It is a vivid illustration of the friction in global finance, you know. The tax-free shield of the Roth is a legislative creation of the U.S. Congress. And the U.S. Congress has zero jurisdiction over the tax codes drafted in Madrid, Lisbon, or Geneva.

SPEAKER_00

It really makes you evaluate the entire concept of safety when it comes to retirement planning. But as we wrap up this deep dive into these three countries, there was one final detail in the treaty literature that seemed to just like break all the rules we just discussed.

SPEAKER_01

Yes.

France Treaty Exception And Final Takeaway

SPEAKER_01

And it serves as the ultimate paradox for anyone planning an international retirement. We just spent this whole time outlining the aggressive taxation models of Spain, Portugal, and Switzerland.

SPEAKER_00

Right.

SPEAKER_01

But nestled deep in the cross-border tax treaties is the anomaly of France.

SPEAKER_00

France. Okay, tell us about France.

SPEAKER_01

So through the specific mechanisms of Article 18 and Article 24 of the U.S. France Tax Treaty, France actually respects the Roth fully. They use this complex foreign tax credit mechanism. Technically, you report the Roth distribution on your French tax return, but the treaty automatically grants you a tax credit equal to the French tax that would have been owed.

SPEAKER_00

So it just cancels out.

SPEAKER_01

Exactly. Mechanically, it zeros out the liability. France completely exempts qualified U.S. Roth distributions from tax, honoring its tax-free status perfectly.

SPEAKER_00

Man, think about the implications of that in a highly connected globalized economy.

SPEAKER_01

It's pretty wild.

SPEAKER_00

You can be living in Geneva, Switzerland, watching your life savings slowly drain away through annual phantom taxes on invisible growth. But if you just pack up your car, drive 20 minutes across an invisible border, and settle in a French village, the financial DNA of your entire retirement is instantly rewritten.

SPEAKER_01

The phantom taxes vanish. The growth is protected.

SPEAKER_00

Just by driving 20 minutes, it forces you to realize that geographical borders are, at the core, financial borders. For you listening, when it comes to international living, your wealth is really only as safe as the local tax treaty allows it to be. Something to definitely chew on if you're planning that European dream retirement.