If you’ve maxed out your employer match, you’ve likely faced the next question: where should additional retirement savings go? The alphabet soup of account types — 401(k), Traditional IRA, Roth IRA, Roth 401(k) — can make this feel more complicated than it needs to be.
The core decision usually comes down to one question: do you want the tax break now, or later?
The core distinction: tax now vs. tax later
- Traditional accounts (401(k), Traditional IRA): contributions reduce your taxable income today. Withdrawals in retirement are taxed as ordinary income.
- Roth accounts (Roth 401(k), Roth IRA): contributions are made with after-tax dollars, with no upfront deduction. Withdrawals in retirement are entirely tax-free, including all growth.
Neither is universally “better.” The right choice depends heavily on whether you expect your tax rate to be higher or lower in retirement than it is today.
A simple decision framework
| Your situation | Often favors |
|---|---|
| High bracket now, lower expected in retirement | Traditional — deduct now, while the tax break is worth more |
| Early career, lower bracket, higher income expected later | Roth — pay tax now, while your rate is low |
| Uncertain about future tax rates, or want flexibility | A mix of both, often called tax diversification |
| Want to leave tax-free assets to heirs | Roth — heirs receive tax-free withdrawals |
| Want to avoid Required Minimum Distributions | Roth IRA — not subject to RMDs during the original owner’s lifetime |
A worked example
Consider “Jen,” a hypothetical saver, age 35, contributing $10,000 this year and currently in the 24% tax bracket:
- If she contributes to a Traditional account: she saves $2,400 in taxes today. Assuming that $10,000 grows to $40,000 by retirement, and she’s in a 22% bracket then, she’ll owe about $8,800 in taxes on withdrawal.
- If she contributes to a Roth account: she pays $2,400 in tax today, effectively contributing $7,600 of net after-tax value. That same growth to $40,000 comes out completely tax-free.
If Jen’s tax rate in retirement ends up lower than today, Traditional often wins. If it’s the same or higher, Roth often wins. Since nobody can predict tax rates decades out with certainty, many planners recommend contributing to both types over a career — giving you flexibility to manage your tax bracket in retirement by choosing which account to withdraw from each year.
Don’t forget the employer match
Regardless of Traditional versus Roth, if your employer offers a 401(k) match, contribute at least enough to capture the full match first. It’s an immediate, guaranteed return that’s hard to beat anywhere else. Employer match dollars are generally deposited into a traditional, pre-tax bucket regardless of which type you contribute to yourself.
Contribution limits matter too
401(k) accounts generally allow significantly higher annual contributions than IRAs. For 2026, the 401(k) employee deferral limit is $24,500, or $32,500 with the standard catch-up contribution for those 50 and older. Those aged 60 to 63 can use a higher “super catch-up” of $11,250 in place of the standard catch-up, bringing their total to $35,750. IRAs, by contrast, allow $7,500 for 2026, or $8,600 with the age-50 catch-up.
If you’re trying to save aggressively, maxing out a 401(k) — traditional or Roth, depending on what your plan offers — before layering in an IRA is often the more efficient path, simply due to the higher contribution ceiling.
Also note: starting in 2026, higher earners who made more than $150,000 in the prior year are required to make any catch-up contributions on a Roth basis, regardless of whether they’d otherwise prefer a Traditional catch-up contribution.
Frequently asked questions
Can I contribute to both a 401(k) and an IRA in the same year?
Generally yes, though your ability to deduct Traditional IRA contributions may be limited if you or your spouse are also covered by a workplace plan and your income is above certain thresholds.
Is there an income limit for Roth contributions?
Yes. For 2026, 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. Roth 401(k)s, by contrast, generally have no income limit, making them a valuable option for higher earners who are phased out of direct Roth IRA contributions.
What if I’m not sure which bracket I’ll be in later?
This uncertainty is exactly why many planners recommend contributing to both Traditional and Roth accounts over time. It hedges against not knowing future tax policy or your future income.
Can I convert a Traditional account to Roth later?
Yes, through a Roth conversion, though the converted amount is generally taxable in the year of conversion. This can be a valuable strategy in lower-income years, but should be evaluated carefully.
The takeaway
There’s no universally “right” account type. The best choice depends on your current tax bracket, your expectations for retirement income, and how much flexibility you want to build in. For many people, the most resilient approach isn’t picking one exclusively, but building a mix of both over the course of a career.
This article is for general informational purposes only and does not constitute personalized financial, investment, or tax advice. Please consult with a qualified financial advisor to discuss your individual circumstances.
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