Can you have both a Roth IRA and a 401(k)?

Short answer: yes, absolutely. The IRS treats 401(k)s and IRAs as separate systems with separate contribution limits. For 2026, you can contribute up to $24,500 to a 401(k) and up to $7,500 to an IRA — including a Roth IRA — in the same year, as long as you meet each account's eligibility rules.

This is one of the most useful facts in personal finance, and it surprises a lot of people. There is no rule that says you must choose one. In fact, using both is the standard recommendation for anyone who can afford it, because each account has strengths the other lacks.

The details matter, though — income limits for the Roth IRA, the Roth-versus-traditional decision inside the 401(k), and the order in which to fund them. Here is the full picture.

The limits are separate — here are the 2026 numbers

For 2026, the employee contribution limit for a 401(k) is $24,500. If you are 50 or older, you can add an $8,000 catch-up contribution, for a total of $32,500. Workers aged 60 to 63 get an even larger catch-up of $11,250 under SECURE 2.0, bringing their total to $35,750.

The IRA limit for 2026 is $7,500 across all your IRAs combined — traditional and Roth share one limit, so you cannot put $7,500 in each. If you are 50 or older, the catch-up is $1,100, for a total of $8,600.

Crucially, these two limits do not interact. Maxing your 401(k) does not reduce what you can put in an IRA, and vice versa. A 45-year-old who maxes both is sheltering $32,000 a year. That is the power of using both accounts.

The Roth IRA has income limits; the 401(k) does not

Here is the main catch. Anyone with earned income can contribute to a 401(k) through their employer, and a Roth 401(k) has no income limit at all. The Roth IRA is pickier.

For 2026, direct Roth IRA contributions phase out for single filers with modified adjusted gross income between $153,000 and $168,000, and for married couples filing jointly between $242,000 and $252,000. Above those ranges, you cannot contribute directly.

If you are above the limit, the standard workaround is the "backdoor Roth": contribute to a traditional IRA (which has no income limit for contributions, only for deductibility) and then convert it to a Roth. It is a legal, well-established strategy, but it has tax complications if you already hold pre-tax IRA money — the pro-rata rule can make the conversion partly taxable. Worth understanding before you attempt it, or discussing with a tax professional.

Roth versus traditional: the real decision

Having both accounts is easy. The harder question is which tax treatment to choose in each. A Roth contribution is after-tax money that grows tax-free; a traditional contribution is pre-tax money that gets taxed on withdrawal.

The textbook rule: if your tax rate now is lower than it will be in retirement, favor Roth. If it is higher now, favor traditional. Young workers early in their careers, when earnings are lowest, usually benefit most from Roth contributions. Peak earners in high tax brackets usually benefit most from traditional 401(k) contributions that cut today's tax bill.

Most people end up with a mix, and that is fine — arguably ideal. Tax diversification means you will have both pre-tax and tax-free buckets to draw from in retirement, giving you flexibility to manage your tax bracket year by year. You do not need to predict your future tax rate perfectly; you just need some of each.

The employer match changes the order

If your employer offers a 401(k) match, that match is free money with an immediate 50% or 100% return, depending on the formula. Nothing else in personal finance beats it. So the funding order most planners suggest goes like this.

First, contribute enough to your 401(k) to capture the full employer match. If the match is 50% up to 6% of salary, contribute at least 6%. Leaving match money on the table is the single most expensive mistake in retirement saving.

Second, fund your Roth IRA up to the limit. The IRA gives you total control over investments and usually lower fees than a 401(k) plan, plus the Roth's flexibility — you can withdraw your contributions (not earnings) at any time without tax or penalty, which makes it a reasonable backup emergency layer.

Third, go back to the 401(k) and contribute more, up to the $24,500 limit. Whether those extra dollars go to traditional or Roth depends on your tax situation, as discussed above.

What if you are self-employed or have no 401(k)?

Not everyone has an employer plan. If you are self-employed, you can open a Solo 401(k), which follows the same $24,500 employee limit plus allows employer-side contributions up to a combined $72,000 for 2026. It is one of the best deals in the tax code for freelancers and business owners.

If you simply have no workplace plan, the IRA becomes your main vehicle — but the $7,500 limit is much smaller than a 401(k)'s. In that case, max the IRA and put additional retirement savings in a taxable brokerage account. You lose the tax shelter on the overflow, but invested money in a taxable account still beats uninvested money every time.

Also note: without a workplace plan, the income limits on deducting traditional IRA contributions disappear. That gives you more flexibility in choosing Roth versus traditional for the IRA itself.

A concrete example of both in action

Consider Ana, 32, earning $85,000. Her employer matches 50% of contributions up to 6% of salary. She contributes 6% — $5,100 a year — and the employer adds $2,550. That is $7,650 going into her 401(k) annually, and the first $5,100 of it cost her less than it looks because traditional 401(k) contributions reduce her taxable income.

Then she opens a Roth IRA and contributes $500 a month — $6,000 a year, under the $7,500 limit. Because she is young and in a moderate tax bracket, she chooses Roth for the IRA: she pays tax on that $6,000 now, but it grows tax-free for thirty-plus years.

Total sheltered savings: $13,650 a year, not counting the match's growth. She is using both accounts exactly as designed — the 401(k) for the match and the high limit, the IRA for flexibility and tax-free growth. If she gets a raise, she has headroom in both: another $19,400 of 401(k) space and $1,500 of IRA space before hitting either ceiling.

Notice what she did not do: she did not agonize over Roth versus traditional for months. She picked a reasonable split — traditional in the 401(k), Roth in the IRA — and started. The allocation can be adjusted any year. The habit of contributing is what matters; the tax optimization is refinement.

Common mistakes to avoid

The most common mistake is assuming you cannot have both and therefore never opening an IRA. The 401(k) feels like "the retirement account," so the IRA never gets opened, and thousands of dollars of annual tax-advantaged space go unused every year.

The second is contributing to a Roth IRA above the income limit without realizing it. Excess contributions face a 6% penalty per year until removed. If your income is near the phase-out range, check before you contribute — or use the backdoor method deliberately rather than accidentally.

The third is ignoring the 401(k)'s investment options. Some employer plans have high-fee funds, which is exactly why the standard advice routes money to the IRA after capturing the match. But do not let perfect be the enemy of good: a mediocre 401(k) fund with an employer match still beats no contribution at all.

Finally, remember the IRA contribution deadline: you have until tax day (typically April 15) of the following year to contribute for the prior tax year. The 401(k) deadline is stricter — December 31. Do not leave prior-year IRA space on the table out of confusion about dates.

One more subtle mistake: treating the two accounts as separate portfolios instead of one. Your 401(k) and your IRA are both parts of a single retirement plan — yours. It is fine, and often smarter, to hold different investments in each: for example, the cheapest index funds available in the 401(k), and whatever fills the gaps in the IRA. Think of them as two rooms in the same house, not two houses.

A calm takeaway: yes, you can have both a Roth IRA and a 401(k), and for most people, having both is the right move — capture the employer match first, then use the Roth IRA for its flexibility and low costs, then add more to the 401(k). The limits are separate, the tax treatments complement each other, and the combination gives you more sheltered space and more options in retirement than either account alone.