Roth IRA vs Traditional IRA: 2026 Limits, Income Rules and Which to Choose

A Roth IRA and a traditional IRA are both individual retirement accounts, but they reverse the timing of the tax bill. With a traditional IRA you may get a tax deduction now and pay income tax when you withdraw in retirement. With a Roth IRA you contribute money that has already been taxed, and qualified withdrawals later are tax-free. Which one is better depends mainly on one question: is your tax rate likely to be higher today or when you retire? This guide sets out the 2026 limits, the income rules and a simple way to decide.

What Is the Difference Between a Roth IRA and a Traditional IRA?

Both accounts are created under US tax law to encourage retirement saving, and both let investments grow without annual tax on dividends, interest or capital gains. The difference is when the Internal Revenue Service (IRS) takes its share.

• Traditional IRA: contributions may be tax-deductible in the year you make them; growth is tax-deferred; withdrawals in retirement are taxed as ordinary income
• Roth IRA: contributions are never deductible; growth is tax-free; qualified withdrawals (generally after age 59½ and once the account has been open five years) are completely tax-free
• Both: share a single annual contribution limit, offer the same range of investments and are opened at a bank, brokerage or robo-adviser

Think of it this way: a traditional IRA gives you a tax break on the seed, while a Roth IRA gives you a tax break on the harvest. If your investments grow substantially over decades, the harvest is usually far larger than the seed, which is why Roth accounts are popular with younger savers.

How Much Can You Contribute to an IRA in 2026?

According to the IRS, the annual IRA contribution limit for 2026 is $7,500, up from $7,000 in 2025. Savers aged 50 and over can add a catch-up contribution of $1,100, giving a total of $8,600. Since the SECURE 2.0 Act of 2022, that catch-up amount is adjusted for inflation each year.

The limit is shared across all your IRAs. If you put $4,000 into a Roth IRA, you can put no more than $3,500 into a traditional IRA for the same year. You also need taxable compensation (wages, salary or self-employment income) at least equal to what you contribute, although a working spouse can fund an IRA for a non-working spouse under the spousal IRA rules.

You can make contributions for a tax year up to the federal filing deadline the following spring, usually 15 April. That means 2026 contributions can be made until mid-April 2027.

Who Can Contribute to a Roth IRA? The 2026 Income Limits

Roth IRAs come with an income ceiling. The IRS uses your modified adjusted gross income (MAGI) and phases out the amount you can contribute across a range:

• Single and head of household: phase-out between $153,000 and $168,000
• Married filing jointly: phase-out between $242,000 and $252,000
• Married filing separately (if you lived with your spouse): phase-out between $0 and $10,000

Below the bottom of the range you can contribute the full amount. Within it, the limit shrinks gradually; above the top, you cannot contribute directly at all. Higher earners sometimes use a “backdoor Roth”, making a non-deductible traditional IRA contribution and then converting it. That strategy is legal but has tax traps, especially the pro-rata rule if you hold other pre-tax IRA money, so it is worth getting professional advice first.

Can You Deduct Traditional IRA Contributions?

Anyone with earned income can contribute to a traditional IRA, whatever they earn. The question is whether the contribution is deductible. If neither you nor your spouse is covered by a workplace plan such as a 401(k), you can deduct the full amount regardless of income.

If you are covered at work, the deduction phases out at these 2026 income levels, according to the IRS:

• Single, covered by a workplace plan: $81,000 to $91,000
• Married filing jointly, contributor covered: $129,000 to $149,000
• Not covered, but married to someone who is: $242,000 to $252,000
• Married filing separately, covered: $0 to $10,000

A non-deductible traditional IRA contribution still grows tax-deferred, but you must track your “basis” on IRS Form 8606 so you are not taxed twice on withdrawal.

Which Is Better: Roth or Traditional?

The honest answer is that it depends on your tax rate now compared with your expected tax rate in retirement. A few rules of thumb help:

• A Roth usually makes sense if you are early in your career, in a low tax bracket (10% or 12%), expect your income to rise, or want tax-free income later that does not push up taxes on Social Security benefits
• A traditional IRA usually makes sense if you are in your peak earning years, in a high bracket now, and expect a lower income in retirement
• Splitting contributions makes sense if you genuinely do not know; tax diversification gives you flexibility to draw from either pot later

Future tax rates are unknowable. Current federal income tax brackets were made permanent by 2025 legislation, but Congress can change them at any time. Many planners therefore suggest holding a mix of pre-tax and Roth money rather than betting everything on one outcome.

What Are the Withdrawal Rules?

Roth IRAs are more flexible than many people realise. You can withdraw your contributions (not the earnings) at any time, for any reason, without tax or penalty, because you have already paid tax on them. That makes a Roth a reasonable back-up to an emergency fund, though raiding retirement savings should be a last resort.

Earnings in a Roth come out tax-free once you are 59½ and the account has been open at least five tax years. Early withdrawals of earnings are generally taxed and hit with a 10% penalty, with exceptions such as up to $10,000 for a first home, disability and certain education costs.

Traditional IRA withdrawals before 59½ usually incur income tax plus the same 10% penalty, again with exceptions. Traditional IRAs also carry required minimum distributions (RMDs): under SECURE 2.0, you must start taking money out at age 73 (rising to 75 for people born in 1960 or later). Roth IRAs have no RMDs during the original owner’s lifetime, which makes them useful for leaving money to heirs.

How Do IRAs Fit With a 401(k)?

An IRA is something you open yourself; a 401(k) is offered by your employer. For 2026 the IRS lets employees put up to $24,500 into a 401(k), 403(b) or the federal Thrift Savings Plan, plus an $8,000 catch-up from age 50 and a higher $11,250 catch-up at ages 60 to 63. You can contribute to both a 401(k) and an IRA in the same year.

A common order of priority is:

• Contribute enough to your 401(k) to collect the full employer match, because that is an instant return
• Fund a Roth or traditional IRA, where you usually get a wider and cheaper choice of investments
• Return to the 401(k) if you can save more

Many 401(k) plans now also offer a Roth 401(k) option, which has no income limit, so higher earners can get Roth-style treatment without a backdoor conversion.

What Should You Invest In Inside an IRA?

An IRA is just a container. Opening one and leaving the money in cash defeats the purpose. Most long-term savers choose low-cost, diversified funds such as a target-date fund or a broad stock market fund; our guide to index funds vs ETFs explains the options. Remember that markets fall as well as rise; our explainer on bull vs bear markets shows why time in the market matters more than timing it.

How Do You Open an IRA?

• Choose a provider: large brokerages and robo-advisers offer IRAs with no account minimums and no annual fees
• Pick the account type: Roth, traditional, or one of each
• Fund it: by bank transfer, up to the annual limit, and specify the tax year if you contribute between January and April
• Invest the money: select your funds, then consider setting up automatic monthly contributions
• Keep records: especially of non-deductible contributions and the date you first funded a Roth, which starts the five-year clock

Key Takeaways

For 2026, you can save up to $7,500 in IRAs ($8,600 if you are 50 or older). Choose a Roth if you expect higher taxes later and fall under the income limits; choose a traditional IRA if a deduction now is worth more to you; and split the difference if you are unsure. The most important decision, however, is simply to start: a few thousand dollars a year invested steadily for decades can grow into a substantial retirement fund. This article is general information, not personal tax advice, so check your own circumstances with a qualified adviser.

Featured image: Deposit Into Piggy Bank Savings Account (6093700157), by Ken Teegardin / Wikimedia Commons, CC BY-SA 2.0. Cropped, colour-graded and combined with MediaPavilion branding.

Sources

• Internal Revenue Service — 401(k) limit increases to $24,500 for 2026, IRA limit increases to $7,500 (13 November 2025).
• Internal Revenue Service — Retirement topics: IRA contribution limits (accessed 28 October 2026).
• Internal Revenue Service — Roth IRAs (accessed 28 October 2026).
• Internal Revenue Service — Retirement topics: Required minimum distributions (RMDs) (accessed 28 October 2026).
• Internal Revenue Service — Retirement topics: Exceptions to tax on early distributions (accessed 28 October 2026).