The 401k Trap Nobody Warns You About

We've been telling everyone who'll listen to check their Social Security credits. That was the big surprise from our first article. But the thing we learned about our 401k last month might be even bigger. And scarier.

Here's the short version: if you're not a US citizen and you die with your 401k still in the US, your family could lose up to 40% of it to US estate taxes. And the exemption for non-citizens is so low it's almost insulting.

US citizens and green card holders get an estate tax exemption of over $13 million. If you're on an H1B or have already left the US without citizenship, your exemption is $60,000.

Not $60,000 in taxes. $60,000 in total exemption. Everything above that is taxed at 40%.

Let's do the math

Say you've built up $300,000 in your 401k over 10 years of work. You move back to India. You figure you'll leave it in the US, let it grow in US markets, and withdraw it when you retire. Smart plan, right?

If something happens to you before you withdraw it:

$300,000 minus $60,000 exemption = $240,000 subject to estate tax. 40% of $240,000 = $96,000 your family loses.

At $500,000 the number gets worse:

$500,000 minus $60,000 = $440,000. 40% of $440,000 = $176,000 gone.

At $700,000:

$700,000 minus $60,000 = $640,000. 40% of $640,000 = $256,000.

Your heirs would need to file Form 706-NA with the IRS within 9 months of your death. If they miss the deadline or don't know about this requirement, the penalties get even worse.

This isn't a rare edge case. This applies to every non-citizen with US retirement accounts. Your 401k, your IRA, your US brokerage accounts. They all count toward this threshold.

Why nobody talks about this

We spent months reading about 401k strategies for returning NRIs. Blog posts, Reddit threads, YouTube videos. Almost none of them mention estate taxes. The advice is almost always the same: "leave it in the US, let it grow, US markets are great, the dollar appreciates against the rupee."

All of that is true. US markets have historically outperformed Indian markets. The dollar does tend to strengthen over time. And there's no requirement to move your money.

But none of those advantages matter if your family loses a third of the balance when you die.

The reason nobody talks about this is simple. Most financial content for NRIs is written by people who are either US citizens (so the $13 million exemption applies to them and they don't think about it) or by Indian CAs who don't deal with US estate tax law. The people who actually face this risk, non-citizen NRIs with significant US retirement balances, fall through the gap.

We almost fell through it too.

How we found out

I was reading a tax planning guide late one night. It was mostly stuff I already knew. RNOR windows, DTAA provisions, withdrawal strategies. Then buried in a section about estate planning was a paragraph about the $60,000 exemption for non-resident aliens.

I read it three times. I showed it to Sneha. We both assumed there was some exception for retirement accounts or some treaty provision that would protect us.

There isn't. The India-US DTAA doesn't override the estate tax rules. Retirement accounts are included in the gross estate. The $60,000 exemption is the number. That's it.

We spent the next few days recalculating our entire approach to our US retirement accounts.

What you can do about it

The good news: once you know about this, there are ways to manage the risk. None of them are perfect, but all of them are better than doing nothing.

Roth conversions during your RNOR window.

When you return to India, you'll likely have RNOR status (Resident but Not Ordinarily Resident) for 2-3 years. During this period, income from foreign sources including Roth conversions is generally not taxable in India if the money stays outside the country.

At the same time, if you convert during your first year or two back when you have little or no US income, you'll be in the lowest US tax bracket. So you pay minimal US tax on the conversion and zero India tax.

Once the money is in a Roth IRA, withdrawals are tax-free in the US. And here's the key part: Roth IRAs don't have Required Minimum Distributions (RMDs). You're never forced to withdraw. This gives you complete control over when and how you access the money.

Does this solve the estate tax problem? Not entirely. Roth IRA balances are still included in your US gross estate for estate tax purposes. But converting allows you to pay the income tax now at a low rate rather than leaving your heirs with both income tax and estate tax later.

Strategic partial withdrawals.

Instead of leaving everything to grow and hoping for the best, you could withdraw portions of your 401k over time. If you're under 59.5, you'll pay a 10% early withdrawal penalty plus income tax. But for some people the penalty is cheaper than the potential estate tax hit.

If you're over 59.5, there's no penalty at all. Just ordinary income tax.

The strategy is to withdraw during your RNOR years when India won't tax the foreign income. You pay only US tax, and you're reducing the balance that's exposed to estate tax.

Life insurance.

Some people buy a life insurance policy specifically to cover the estimated estate tax liability. The math is straightforward: if your US assets put your family at risk for $150,000 in estate taxes, a policy with that death benefit ensures they're covered.

This works best for older NRIs with larger balances who don't want to trigger income taxes through conversions or withdrawals.

Spousal strategies.

If both spouses have their own retirement accounts, each gets the $60,000 exemption independently. Splitting balances between spouses can provide some protection, though it doesn't solve the underlying problem for larger portfolios.

What we're doing about it

We're not going to share every detail of our plan, but here's the broad outline:

We've been doing mega backdoor Roth conversions for the last few years, which moves as much money as possible into Roth accounts where withdrawals are tax-free. We plan to continue converting Traditional IRA balances to Roth during our RNOR window after we return. And we're talking to a cross-border estate planning attorney before we leave to understand our full exposure and options.

The one thing we're definitely not doing is the thing most people default to: leaving everything in the US and hoping it works out.

The conversation you need to have

This article is going to be uncomfortable for anyone with a large 401k balance who planned to just leave it. That's how it felt for us when we first learned about it.

But the fix isn't to panic and withdraw everything tomorrow. The fix is to understand the risk, run the numbers on your specific situation, and make a plan. Talk to your spouse about it. Talk to a Chartered Accountant (CA) who understands both US and Indian tax law. If your combined US retirement accounts are above $200,000, consider talking to a cross-border estate planning attorney as well.

The worst thing isn't the estate tax itself. The worst thing is your family discovering it exists after you're gone, when they can't do anything about it.

Start the conversation now.

Rohan

Common questions

What is the estate tax exemption for non-US citizens? US citizens and green card holders get an estate tax exemption of over $13 million. Non-citizens (including former H1B workers living abroad) get only $60,000. Everything above that is taxed at 40%.

Does the estate tax apply to my 401k? Yes. Your 401k, IRA, and US brokerage accounts are all included in your US gross estate for estate tax purposes. If you're a non-citizen with $500,000 in US retirement accounts, your heirs could owe $176,000 in estate taxes.

How can I reduce my estate tax exposure? Options include Roth IRA conversions (especially during your RNOR window in India), strategic partial withdrawals, life insurance to cover the estimated liability, and splitting accounts between spouses. Consult a cross-border estate planning attorney for your specific situation.

What is a mega backdoor Roth conversion? Some employer 401k plans allow after-tax contributions above the normal $23,500 limit, up to $70,000 total. You can then convert those contributions to a Roth account where they grow tax-free. Not every employer plan offers this. Check with your HR or plan administrator.

Should I withdraw my entire 401k before leaving? Usually no. If you're under 59.5, you'll pay a 10% early withdrawal penalty plus income tax, which could mean losing 30%+ of the balance. For large balances, strategic Roth conversions during your RNOR window are typically more tax-efficient than a lump sum withdrawal.

Sneha's note: We talk a lot about money in this house. Tax brackets, withdrawal strategies, RNOR windows. Most of it I follow, some of it I tune out. But the estate tax part of this article I couldn't tune out. The idea that if something happened to Rohan, I could lose almost $200,000 of our retirement savings to a tax rule I'd never heard of? That hit different. We spent that whole evening going through our accounts and figuring out what's exposed. It wasn't a fun conversation. But it was a necessary one. If you're in a couple, don't skip this article and don't have this conversation alone.

Sources

• IRS Estate Tax for Non-Resident Aliens (Form 706-NA): irs.gov
• US Estate Tax Exemption 2025: $13.61 million (citizens), $60,000 (non-citizens)
• India-US DTAA: does not override US estate tax provisions
• IRS Roth IRA Conversion Rules: irs.gov
• IRS Early Withdrawal Penalty (10% under age 59.5): irs.gov

Related: Check your Social Security credits (Article 1) | How to collect SS from India (Article 2) | Green card rules changed (Article 3)

Up next: The 401k playbook: lump sum, rollover, or leave it behind.