If you’ve ever stared at “Traditional or Roth?” on a brokerage sign-up page and quietly closed the tab, this guide is for you. An IRA is one of the simplest tax breaks available to ordinary people, and also one of the most commonly misunderstood — because the decisions that matter (which type, how much, by when, and what happens if your life changes) are scattered across half a dozen IRS pages.
I’ll cover the 2026 numbers, the Traditional-versus-Roth choice, the income limits that trip people up, the backdoor Roth, the penalty rules — and then a part most IRA guides skip entirely: what happens to your IRA if you leave the United States. That last question comes up for people returning home after a US job, moving abroad to retire, or married to someone who is doing so.
A quick word on who’s talking. I’m a retired chartered accountant and a finance writer, not your CPA or financial advisor, and this is general information, not personalized advice. KnowWiser earns nothing from any link in this article. Every 2026 figure comes from the IRS itself, and I’ve listed the pages at the bottom so you can check my work.
What is an IRA, exactly?
An Individual Retirement Arrangement (IRA) is a personal retirement account you open yourself, not through an employer, that gives your savings a tax advantage. It’s the cousin of the 401(k), which is offered through a workplace plan.
One thing to get straight early: an IRA is not an investment. It’s a wrapper — a tax-advantaged container — and you choose what to hold inside it: funds, stocks, bonds, cash. Two people with the same type of IRA can have completely different results because of what they put in the wrapper. The tax advantage is the wrapper’s job; the growth is the investments’ job.
Because it’s yours rather than your employer’s, an IRA stays with you when you change jobs. That detail matters a lot in the section on leaving the US.
Traditional IRA vs Roth IRA: which one should you choose?
The difference is when you pay the tax: a Traditional IRA gives you the break now and taxes the withdrawals later; a Roth IRA taxes the money now and lets qualified withdrawals come out tax-free.
Here’s the side-by-side:
| Traditional IRA | Roth IRA | |
|---|---|---|
| Contribution | May be tax-deductible (depends on your income and workplace coverage) | After-tax, no deduction |
| Growth | Tax-deferred | Tax-free |
| Withdrawals in retirement | Taxed as ordinary income | Qualified withdrawals are tax-free |
| Income limit to contribute | None, but the deduction can phase out | Yes, direct contributions phase out at higher incomes |
| Required minimum distributions | Generally begin at age 73 | None during your lifetime |
Who each one tends to suit:
- Roth tends to suit you if you expect to be in a higher tax bracket in retirement than you are now — early in a career, say — or if you simply like the idea of tax-free income you’re never forced to take.
- Traditional tends to suit you if you want the deduction today, particularly in a high-income year, and expect a lower rate later.
The honest part: nobody knows what tax rates will be in 20 or 30 years, including me. That’s why many people split — some Traditional, some Roth — so they have both taxable and tax-free money to draw from, which gives flexibility in retirement. If you’re brand new to this and want the beginner version first, start with our 401(k) vs Roth IRA guide, then come back here for the 2026 details.
How do you get the maximum benefit from an IRA in 2026?
Know the 2026 limit, check whether your income affects your Roth eligibility or your Traditional deduction, make the contribution before the deadline, and keep the investments inside cheap. Let me take those in order.
What is the 2026 IRA contribution limit?
For 2026 you can contribute $7,500 to an IRA, up from $7,000 in 2025. If you’re 50 or older, the catch-up contribution is $1,100 (up from $1,000), making $8,600 the total. Those figures come straight from the IRS 2026 limits announcement.
Three things people miss:
- It’s per person, and it’s combined. The limit applies across all your IRAs together. Putting $7,500 in a Traditional and $7,500 in a Roth doesn’t work; the total is what counts.
- You need earned income. You must have taxable compensation to contribute, and you can’t put in more than you earned for the year. (There’s a spousal IRA exception, below.) The IRS spells this out on its IRA contribution limits page.
- It’s modest next to a 401(k). The 401(k) elective-deferral limit for 2026 is $24,500 — so an IRA is a supplement to a workplace plan, not a replacement for one. If your employer matches your 401(k) contributions, that match is usually worth capturing before you worry about the IRA. For the companion piece on the workplace side of this, see our complete guide to the 401(k).
Spousal IRA exception. If you file jointly and one of you has little or no income, the non-earning spouse can still contribute to an IRA based on the working spouse’s compensation. It’s a useful rule for single-income households and people taking time out of the workforce.
Can you contribute directly to a Roth IRA at your income level?
For 2026 the Roth IRA contribution phase-out is based on your modified adjusted gross income (MAGI):
- Single or head of household: phase-out from $153,000 to $168,000
- Married filing jointly: $242,000 to $252,000
- Married filing separately: $0 to $10,000
Below the bottom of your range you can contribute the full amount (subject to the earned-income and limit rules above). Inside the range the allowed amount shrinks. At or above the top, you can’t contribute directly to a Roth. The Roth ranges are the IRS’s published 2026 figures — check the current numbers at the IRS link before you act, because filing status and the exact MAGI definition matter.
Can you deduct a Traditional IRA contribution?
Anyone with earned income can contribute to a Traditional IRA. Whether it’s deductible depends on whether you (or your spouse) are covered by a workplace retirement plan. For 2026, if you’re covered at work, the deduction phases out at:
- Single or head of household: $81,000 to $91,000
- Married filing jointly, where the spouse making the contribution is covered at work: $129,000 to $149,000
- Married filing jointly, where you are not covered at work but your spouse is: $242,000 to $252,000
- Married filing separately: $0 to $10,000
And the good news: if neither you nor your spouse is covered by a workplace plan, the income phase-out doesn’t apply and the contribution is fully deductible. A lot of people don’t realize that part. The full rules, including how “covered by a plan” is defined, are in IRS Publication 590-A.
One practical consequence: if your income is too high for a direct Roth contribution and too high for a Traditional deduction, you can still make a nondeductible Traditional contribution. That’s the first half of the backdoor Roth, next.
What is a backdoor Roth IRA?
A backdoor Roth is a two-step workaround for people whose income is above the Roth limit: make a nondeductible contribution to a Traditional IRA, then convert it to a Roth IRA.
It works because there is no income limit on converting a Traditional IRA to a Roth. The catch is the pro-rata rule: if you hold other pre-tax money in your IRAs, the conversion isn’t taxed as if you converted only the nondeductible dollars. The tax is calculated proportionally across all your IRA balances, and you report it on Form 8606.
I’m deliberately describing the mechanism and stopping there. Whether a backdoor Roth makes sense, and what it would cost you in tax, depends entirely on your other IRA balances and your own situation, so if you’re in the income range where this applies, run it with a tax professional and keep a close eye on Form 8606. Publication 590-A covers the reporting mechanics.
What is the deadline to contribute for 2026?
You have until the federal tax return due date, not including extensions, to make an IRA contribution for the year — for most people, April 15 of the following year. For the 2026 tax year that’s April 15, 2027.
That window is useful: you can fund a 2026 IRA after you’ve seen your actual income. Just make sure your custodian records which tax year the contribution is for.
Don’t confuse this with a Roth conversion, which works on a different clock. A conversion is a calendar-year event: it counts in the year the money leaves the Traditional IRA, so the deadline is December 31, not April. I walk through that in how much to convert to a Roth before December 31, 2026, and our Roth conversion calculator runs the tax bracket by bracket.
What should you invest in inside an IRA?
The wrapper doesn’t pick investments for you, so this is where many people stall. I’ll stay general and won’t name products: broad, low-cost index funds are the usual starting point for long-term retirement money, because fees compound against you just as returns compound for you. A fund that charges a little more every year quietly takes a larger and larger slice of your balance over decades. When you compare options, look at the fund’s expense ratio and what it actually holds. No investment is guaranteed, and past performance doesn’t promise anything, so match the mix to your timeline and comfort with swings — or ask a fee-only planner.
What are the honest pros and cons of an IRA?
An IRA gives you control and tax advantages, but it has a lower contribution limit than a 401(k), income rules at the edges, and a 10% penalty if you tap it too early. Here’s the balanced version:
What works in your favor
- Wide investment choice. Unlike most workplace plans, you pick the provider and the investments.
- Tax-free growth with a Roth. Qualified Roth withdrawals aren’t taxed.
- No required withdrawals from a Roth. A Roth IRA has no required minimum distribution during the owner’s lifetime. (Beneficiaries who inherit are subject to separate rules.)
- It’s yours. It isn’t tied to an employer, so changing jobs doesn’t touch it.
What works against you
- A much lower limit. $7,500 (or $8,600 at 50+) versus $24,500 for a 401(k) means an IRA alone won’t fund most people’s retirement.
- No employer match. A 401(k) can come with one; an IRA doesn’t.
- Income limits on the Roth, and on the Traditional deduction if you’re covered at work.
- Traditional IRAs have required minimum distributions. They generally begin at age 73, whether you need the money or not. See the IRS RMD page.
- An early-withdrawal penalty. Take money out before age 59½ and a 10% additional tax generally applies on top of regular income tax.
The exceptions are real, though. Among those the IRS lists for the 10% additional tax are: a first-time home purchase (a lifetime limit of $10,000, and only from an IRA); qualified higher-education expenses; death; total and permanent disability; a series of substantially equal periodic payments; unreimbursed medical expenses above 7.5% of AGI; health insurance premiums while unemployed; and a birth or adoption (up to $5,000). That’s not a complete list, and each exception has conditions. Check the IRS exceptions page before assuming one applies to you. Even if the 10% extra tax is waived, regular income tax on a Traditional IRA withdrawal may still apply.
What happens to your IRA if you leave the USA?
You generally keep it. An IRA is a personal account, not an employer’s, so moving abroad doesn’t normally force you to close it, cash it out, or hand it over. What changes is what you can do with it and how it’s taxed. This is where it gets complicated, and where a general article reaches its limits.
First, a distinction that shapes everything below. The rules in this section about withholding concern people the IRS treats as non-resident aliens (NRAs) — broadly, people who are neither US citizens nor US tax residents. Whether you’re an NRA, a resident alien, or a US citizen living abroad (who generally remains within the US tax system as a US person) depends on your citizenship, green card status, and the IRS residency tests. If you’re not sure which you are, that’s the first thing to settle, and IRS Publication 519 (the US Tax Guide for Aliens) is the place to start.
Can you keep contributing to your IRA after you leave?
Usually not, because you need US taxable compensation to contribute. The IRA rules are tied to earned income. If you’ve moved abroad and no longer earn US taxable compensation — you’re working for a foreign employer, or you’ve retired — you generally have nothing to base a contribution on. The one exception I covered earlier is the spousal IRA, which works on a joint return and depends on the working spouse’s compensation. Whether it applies when you live overseas depends on your tax filing situation, so confirm it before relying on it.
If you do still have US taxable compensation, the normal rules and the $7,500 limit apply. The question is always whether you meet the compensation test, not where you live.
How are IRA withdrawals taxed for a non-resident alien?
Taxable US-source distributions paid from an IRA to a non-resident alien are generally subject to 30% US withholding under section 1441 of the Internal Revenue Code. That’s the default. It’s withheld by the payer — your IRA custodian — before the money reaches you.
Here’s the part worth the fine print: a tax treaty between the United States and your country of residence may reduce or change that treatment. But treaties aren’t automatic. The payer generally needs a Form W-8BEN on file to apply a treaty rate, and the payment is reported to the IRS on Form 1042-S. If the paperwork isn’t in place, the default is what applies.
I’m not going to quote a treaty rate or give a country-by-country list, for two reasons. The outcome depends on the specific country, the specific treaty article that covers retirement distributions, and your visa and residency status. And a wrong number from a general article could cost you real money. The IRS explains the withholding rules on its page for plan distributions to foreign persons.
There’s a second layer too: your new country of residence may have its own rules for taxing a foreign retirement account, separate from US withholding. How those two systems interact is exactly the kind of thing that varies from place to place.
What should you do before you leave?
I’d frame this as questions to settle, not steps to follow blindly:
- What’s my US tax status going to be after I move — non-resident alien, resident, or US citizen abroad?
- Does my custodian allow account holders with a foreign address? Ask yours directly, before you move rather than after, what they can and can’t do for a customer who lives overseas.
- Is there a treaty between the US and my destination country, and what does it say about retirement-account distributions?
- Do I want to keep contributing, convert, or withdraw before I go? Each has different tax consequences in different countries.
- Who handles my paperwork — W-8BEN, 1042-S, and my filings in both countries?
This is a case where a cross-border tax professional earns their fee. I’d want someone who works with US-and-destination-country situations every day, because the details change the answer. Bring the questions above to the first meeting.
The short version
An IRA is a personal retirement account you open yourself; the type you pick decides when you pay tax. For 2026 you can put in $7,500 ($8,600 if you’re 50 or older), counted across all your IRAs, with income-based limits on Roth contributions and on the Traditional deduction. You have until April 15, 2027 to fund a 2026 contribution, though a Roth conversion has to be done by December 31. Withdraw before 59½ and the 10% additional tax generally applies, with exceptions. Traditional IRAs have required minimum distributions starting at age 73; Roth IRAs don’t during your lifetime. And if you leave the US, you generally keep your IRA, but contributions usually stop without US earned income, and distributions to a non-resident alien face 30% withholding by default, which a treaty may change. That last piece is where you pay for professional advice.
How much will you actually need to retire?
Opening or maxing out an IRA answers “am I saving?” — it doesn’t answer “is it enough?” That’s the next question. Our retirement number calculator helps you work out how much you’re likely to need and whether you’re on track, so you can decide how hard to lean on an IRA, a 401(k), or both. If you want a rough benchmark first, our guide to how much to have saved by age gives you a starting point.
Sources
- IRS — 401(k) limit increases to $24,500 for 2026, IRA limit increases to $7,500 (2026 IRA limit, catch-up, Roth and Traditional income phase-out ranges)
- IRS — Retirement topics: IRA contribution limits (compensation requirement)
- IRS — Publication 590-A (contributions, deadline, deductibility, nondeductible contributions and Form 8606)
- IRS — Exceptions to tax on early distributions (10% additional tax and exceptions)
- IRS — Publication 590-B (distributions; the $10,000 lifetime first-time homebuyer limit)
- IRS — Required minimum distributions (RMDs) (age 73 for Traditional IRAs)
- IRS — Plan distributions to foreign persons require withholding (30% withholding, Forms W-8BEN and 1042-S)
- IRS — Publication 519, US Tax Guide for Aliens (resident vs non-resident alien status)
Verified as of October 2026 against irs.gov: the 2026 IRA contribution limit ($7,500) and age-50 catch-up ($1,100), the Roth IRA and Traditional IRA deduction income phase-out ranges, the April 15 contribution deadline (versus the December 31 conversion deadline), the 10% additional tax before 59½ and its exceptions, RMDs at age 73, and the default 30% withholding on taxable US-source distributions to non-resident aliens. Treaty rates and country-specific outcomes are described, not quantified. Tax rules change and every situation differs; confirm your own numbers on irs.gov or with a tax professional, and use a cross-border specialist for anything involving a move abroad.