The answer depends on your tax bracket now versus when you retire

Neither is objectively better. A Roth IRA makes sense if you expect to be in a higher tax bracket in retirement than you are now, or if you want to withdraw money tax-free later. A traditional IRA makes sense if you want to reduce your taxable income this year, or if you expect to be in a lower tax bracket when you retire.

The core trade-off is simple: with a traditional IRA, you get a tax break today but pay taxes on withdrawals later. With a Roth IRA, you pay taxes today but withdraw money tax-free later. Which one costs you less depends entirely on what tax rates will be when you actually need the money.

Key Takeaways

  • Traditional IRAs let you deduct contributions from your taxes this year, but you pay income tax on withdrawals in retirement.
  • Roth IRAs use after-tax money now, but withdrawals in retirement are completely tax-free.
  • If you expect higher income in retirement or think tax rates will rise, a Roth usually costs less over your lifetime.
  • If you want to lower your taxable income right now or expect lower income later, a traditional IRA usually makes more sense.
  • You can have both types of IRAs at the same time, and your total contribution across both cannot exceed the annual limit set by the IRS.

When a traditional IRA saves you more money

A traditional IRA reduces your taxable income in the year you contribute. If you earn $65,000 and contribute $7,000 to a traditional IRA, the IRS treats your taxable income as $58,000. That means you pay less income tax this year.

This advantage matters most if you are in a high tax bracket right now and expect to be in a lower one in retirement. If you are earning $120,000 per year and will live on $50,000 per year after you retire, the tax savings are real: you avoid paying taxes at your current high rate and instead pay taxes at a much lower rate when you withdraw the money.

A traditional IRA also makes sense if you need to reduce your taxable income this year for a specific reason—to stay below an income threshold for a tax credit, to lower your Medicare premiums, or to reduce the amount of your Social Security that gets taxed. The deduction happens immediately.

When a Roth IRA saves you more money

A Roth IRA offers no tax deduction when you contribute. You pay income tax on that money in the year you earn it. But once the money is in the Roth, it grows completely tax-free, and you never pay taxes on withdrawals—not on the original contributions, not on the growth, not on anything.

This matters most if you expect to be in a higher tax bracket in retirement than you are now. If you are 25 years old, earning $45,000, and expect to earn $150,000 by the time you retire, a Roth locks in today's lower tax rate on all that growth. The money compounds for 40 years tax-free, and you withdraw it without owing anything.

A Roth also makes sense if you think tax rates will rise in the future. If you believe Congress will raise income tax rates to pay down the national debt, paying taxes now at today's rates and then withdrawing tax-free later is a hedge against that risk. You cannot know the future, but this is a reasonable concern to weigh.

Income limits and who can contribute to each type

You can contribute to a traditional IRA no matter how much you earn. However, the tax deduction phases out if you earn above a certain amount and you have access to a workplace retirement plan like a 401(k). The income threshold varies by year and filing status.

Roth IRAs have strict income limits. If your income exceeds a certain threshold, you cannot contribute directly to a Roth. These limits also vary by year and filing status. If your income is too high for a direct Roth contribution, some people use a "backdoor Roth" strategy—contributing to a traditional IRA and then converting it to a Roth—though this has its own rules and tax consequences.

Check the IRS website or speak with a tax professional about the current year's limits for your filing status. These numbers change annually.

What happens when you withdraw the money

With a traditional IRA, every dollar you withdraw is taxed as ordinary income at whatever your tax rate is that year. If you withdraw $40,000 in a year when you are in the 22% tax bracket, you owe roughly $8,800 in federal income tax on that withdrawal (plus state income tax if your state has it).

With a Roth IRA, you withdraw your contributions tax-free anytime, and you can withdraw earnings tax-free once you turn 59½ and have held the account for at least five years. If you withdraw earnings before meeting those conditions, you owe income tax on the earnings plus a 10% penalty—but the contributions themselves always come out tax-free.

There is also a required minimum distribution (RMD) rule: once you turn 73, the IRS requires you to withdraw a certain amount from a traditional IRA each year, whether you need the money or not, and you pay taxes on it. Roth IRAs have no RMD during your lifetime, which is another advantage if you do not need the money and want to leave it to heirs.

The tax-bracket question: how to think about it

The core question is whether your tax bracket will be higher or lower in retirement. This is hard to predict, but you can make an educated guess by thinking about your income trajectory.

If you are early in your career and expect your income to grow significantly, a Roth usually wins. You pay taxes on smaller amounts now and lock in that rate. If you are near the peak of your earning years and expect your income to drop in retirement, a traditional IRA usually wins. You deduct contributions when your income—and your tax rate—are highest.

If you genuinely cannot predict your future tax bracket, consider splitting contributions between both types. You get some of the tax deduction now and some tax-free growth later. This is a reasonable middle ground when the future is truly uncertain.

Other practical differences

Roth IRAs are more flexible if you need access to your money before retirement. You can withdraw your contributions (not earnings) anytime without penalty. With a traditional IRA, any withdrawal before age 59½ is subject to income tax plus a 10% penalty, with limited exceptions.

Roth IRAs are also better if you want to leave money to heirs. Your heirs inherit the account tax-free and can withdraw it tax-free (though they must follow distribution rules). With a traditional IRA, your heirs owe income tax on every dollar they withdraw.

If you have a high income and want to save more than the annual IRA limit allows, a traditional IRA offers a backdoor to a higher-limit plan called a SEP IRA or Solo 401(k), depending on your situation. Roth has fewer workarounds at high income levels.

Frequently Asked Questions

Can I have both a Roth and a traditional IRA at the same time?

Yes. Your total contributions across both accounts cannot exceed the annual IRS limit—currently $7,000 per year for people under 50—but you can split that between them however you want. Some people contribute to both to hedge their bets on future tax rates.

What if my income is too high for a Roth?

You can use a backdoor Roth: contribute to a traditional IRA (which has no income limit) and then convert it to a Roth. This works, but if you have other traditional IRA balances, the conversion triggers taxes on a portion of the conversion. Consult a tax professional before attempting this.

Which one should I choose if I am not sure about my future income?

Split your contributions between both types. This way you have some tax-free growth (Roth) and some tax-deferred growth (traditional), and you are not betting everything on one prediction about the future. You can also adjust the split each year as your situation changes.

Do I have to withdraw money from a traditional IRA at a certain age?

Yes. Starting at age 73, you must withdraw a minimum amount each year based on your age and account balance. Roth IRAs have no such requirement during your lifetime, which is one reason some people prefer them if they do not need the money in retirement.

What if I withdraw from my Roth before age 59½?

You can withdraw your contributions anytime tax-free. If you withdraw earnings before age 59½ and before holding the account for five years, you owe income tax on the earnings plus a 10% penalty. A few exceptions exist—first-time home purchase, disability, medical expenses—but they are narrow.