The Basic Difference

A Roth IRA and a traditional IRA are not the same thing. They are two separate types of retirement accounts with different rules about when you pay taxes, how much you can contribute, and when you must withdraw the money.

The core difference comes down to timing. With a traditional IRA, you may deduct contributions from your taxes now, and you pay taxes later when you withdraw the money in retirement. With a Roth IRA, you contribute money that has already been taxed, and your withdrawals in retirement are tax-free. Which one makes sense depends on your income now versus what you expect in retirement.

Both are individual retirement accounts you can open at a bank, brokerage, or credit union. Both let you invest the money inside them. But the tax treatment and the rules around contributions and withdrawals are fundamentally different.

Key Takeaways

  • Traditional IRA contributions may lower your taxable income this year, but you pay income tax on withdrawals in retirement.
  • Roth IRA contributions are made with after-tax money, so withdrawals in retirement are tax-free.
  • Income limits restrict who can contribute to a Roth IRA, but traditional IRAs have no income limit.
  • Traditional IRAs require you to start withdrawing money at age 73, while Roth IRAs do not require withdrawals during your lifetime.
  • You can have both a traditional IRA and a Roth IRA, but your total contributions across both accounts cannot exceed the annual limit.

How Taxes Work in Each Account

In a traditional IRA, contributions may be tax-deductible in the year you make them. If you are covered by a workplace retirement plan (like a 401(k)), your ability to deduct contributions phases out at higher income levels. If you are not covered by a workplace plan, you can deduct the full amount. When you withdraw money in retirement, that withdrawal is taxed as ordinary income at whatever tax rate applies to you that year.

In a Roth IRA, you contribute money that you have already paid income tax on. You do not get a tax deduction now. But when you withdraw that money in retirement—including all the growth it earned—none of it is taxed. This makes Roths especially valuable if you expect to be in a higher tax bracket in retirement or if you want tax-free income later.

The choice between them often comes down to whether you want a tax break now (traditional) or tax-assistance programs later (Roth).

Income Limits and Contribution Rules

Anyone with earned income can open and contribute to a traditional IRA, regardless of how much money they make. There is no income limit. However, if you are covered by a workplace retirement plan, the amount you can deduct phases out at higher income levels. You can still contribute to the account, but the contribution may not be deductible.

A Roth IRA has strict income limits. If your income exceeds a certain threshold, you cannot contribute directly to a Roth. These limits change each year and depend on your filing status (single, married filing jointly, etc.). For 2024, the income phase-out for single filers begins at $146,000 and phases out completely at $161,000. For married couples filing jointly, it begins at $230,000 and phases out at $240,000. These numbers vary by year.

Both account types have the same annual contribution limit—$7,000 for 2024 if you are under age 50, or $8,000 if you are 50 or older. This limit applies to your combined contributions across all traditional and Roth IRAs you own. You cannot contribute $7,000 to each one.

When You Must Withdraw Money

A traditional IRA requires you to begin taking withdrawals starting at age 73. These are called required minimum distributions (RMDs), and the IRS calculates how much you must withdraw each year based on your age and account balance. If you do not take the full amount, you face a penalty of 25 percent on the shortfall (or 10 percent if you correct it within two years).

A Roth IRA has no required minimum distributions during your lifetime. You can leave the money in the account to grow tax-free for as long as you live. This makes Roths useful if you do not need the money in retirement or if you want to pass tax-assistance programs to your heirs. Your beneficiaries will have to withdraw the money, but those withdrawals are still tax-free.

Withdrawal Rules for Your Own Money

In a traditional IRA, any withdrawal before age 59½ is subject to income tax plus a 10 percent early withdrawal penalty, with some exceptions (disability, medical expenses, first-time home purchase up to $10,000, etc.). Once you reach 59½, you can withdraw without penalty, though you still owe income tax on the withdrawal.

In a Roth IRA, you can withdraw your contributions (the money you put in) at any time, tax-free and penalty-free. You can only withdraw the earnings (the growth) before age 59½ if you meet certain conditions, such as having held the account for at least five years and using the money for a first-time home purchase or disability. This flexibility makes Roths attractive to people who want access to their money before retirement.

Which One Should You Choose

Choose a traditional IRA if you want to lower your taxable income this year, expect to be in a lower tax bracket in retirement, or your income is too high to contribute to a Roth. It is also useful if you have no workplace retirement plan and want the tax deduction now.

Choose a Roth IRA if you expect to be in a higher tax bracket in retirement, want tax-free withdrawals later, do not need the money right away, or want to pass tax-assistance programs to heirs. Roths are also good if you are early in your career and expect your income to rise over time.

You do not have to choose just one. You can have both a traditional IRA and a Roth IRA at the same time. Your total contributions across both accounts cannot exceed the annual limit, but you can split your money between them however you want. Some people use this strategy to get some tax savings now and some tax-free income later.

Converting Between Account Types

You can convert money from a traditional IRA to a Roth IRA at any time. This is called a Roth conversion. When you convert, you pay income tax on the amount you convert, but the money then grows tax-free in the Roth. There is no income limit on conversions, even if you earn too much to contribute to a Roth directly.

Conversions can be useful if you expect tax rates to rise, want to reduce your required minimum distributions later, or want to leave tax-assistance programs to heirs. However, the tax bill in the conversion year can be substantial, so it is worth thinking through before you do it.

Frequently Asked Questions

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

Yes. You can own both accounts simultaneously. Your combined contributions to both accounts in a single year cannot exceed the annual limit ($7,000 or $8,000 if age 50+), but you can split that money between them however you choose.

What happens if I withdraw money from a traditional IRA before age 59½?

You owe income tax on the withdrawal plus a 10 percent early withdrawal penalty. Some exceptions exist—disability, medical expenses, first-time home purchase (up to $10,000), and a few others—but most early withdrawals trigger both the tax and the penalty.

Can I contribute to a Roth IRA if my income is too high?

You cannot contribute directly to a Roth if your income exceeds the limit. However, you can contribute to a traditional IRA and then convert it to a Roth. This strategy, sometimes called a "backdoor Roth," has no income limit, though it has tax implications worth discussing with a tax professional.

Do I have to pay taxes on Roth IRA withdrawals in retirement?

No. Withdrawals of both your contributions and earnings are tax-free in retirement, as long as you have held the account for at least five years and are age 59½ or meet another exception. This is the main advantage of a Roth.

What is the difference between an IRA and a 401(k)?

An IRA is an individual account you open yourself. A 401(k) is a workplace retirement plan your employer offers. 401(k)s typically allow higher contributions and may include employer matching. IRAs have lower contribution limits but more investment choices and flexibility.