The Core Difference: When You Pay Taxes
The fundamental distinction between a traditional IRA and a Roth IRA comes down to when you pay income taxes on the money. With a traditional IRA, you contribute pre-tax dollars (or get a deduction), grow the money tax-deferred, and pay ordinary income taxes when you withdraw in retirement. With a Roth IRA, you contribute after-tax dollars, grow the money tax-free, and pay no taxes on qualified withdrawals in retirement.
Neither is universally better. The right choice depends on your current tax rate, expected future tax rate, income, and retirement timeline.
2026 Contribution Limits
Both accounts share the same annual contribution limit: $7,000 per person in 2026, or $8,000 if you are age 50 or older. You can split contributions between the two types, but the combined total cannot exceed the limit. For example, you could put $3,500 in a traditional IRA and $3,500 in a Roth IRA in the same year.
Income Limits: A Key Differentiator
Traditional IRA contributions are available to anyone with earned income. However, the deductibility of traditional IRA contributions phases out at higher incomes if you or your spouse has a workplace retirement plan (like a 401k). In 2026, the phase-out for single filers with a workplace plan begins at $79,000 and ends at $89,000.
Roth IRA contributions have direct income limits. In 2026, single filers cannot contribute to a Roth IRA if their modified adjusted gross income (MAGI) exceeds $165,000 (phase-out begins at $150,000). For married filing jointly, the phase-out is $236,000–$246,000. High earners can still access Roth benefits through a backdoor Roth IRA conversion.
Tax Advantages Side by Side
- Traditional IRA: Deductible contributions reduce taxable income now. Investments grow tax-deferred. Withdrawals in retirement taxed as ordinary income.
- Roth IRA: No deduction on contributions. Investments grow completely tax-free. Qualified withdrawals in retirement are 100% tax-free, including all gains.
Required Minimum Distributions (RMDs)
Traditional IRAs require you to begin taking required minimum distributions (RMDs) starting at age 73. The IRS forces you to withdraw (and pay taxes on) a minimum amount each year, calculated based on your account balance and life expectancy.
Roth IRAs have no RMDs during the owner's lifetime. This makes them powerful estate planning tools and allows tax-free growth to continue indefinitely. Inherited Roth IRAs do have RMD rules for non-spouse beneficiaries.
Early Withdrawal Rules
Both accounts allow penalty-free withdrawals starting at age 59½. However, they differ for early access:
- Traditional IRA: Early withdrawals before 59½ face a 10% penalty plus ordinary income taxes. Certain exceptions apply (first home purchase, disability, substantially equal periodic payments).
- Roth IRA: You can withdraw your contributions (not earnings) at any time, tax and penalty-free, since you already paid taxes on that money. Earnings withdrawn before 59½ (and before the account is 5 years old) face taxes and the 10% penalty.
When a Traditional IRA Makes More Sense
A traditional IRA is generally better when:
- You are in a high tax bracket now and expect to be in a lower bracket in retirement
- You need the tax deduction today to make the math work
- You are above the Roth IRA income limits
- Your state has high income taxes now but you plan to retire in a no-income-tax state
When a Roth IRA Makes More Sense
A Roth IRA is usually the better choice when:
- You are early in your career with relatively low income (low current tax rate)
- You expect tax rates to rise in the future
- You want flexibility to access contributions before retirement if needed
- You want to avoid RMDs and potentially leave a tax-free inheritance
- You already have substantial pre-tax retirement savings and want tax diversification
The Tax Diversification Argument
Many financial advisors suggest having both types of accounts to create tax diversification in retirement. With a traditional IRA, you control when you pay taxes by timing withdrawals. With a Roth IRA, you have a tax-free pool to draw from. This flexibility can reduce your lifetime tax burden, especially if tax rates change.
Example: $50,000 Salary, Age 28
At $50,000 income, you're likely in the 22% federal tax bracket. A $7,000 Roth IRA contribution costs you $7,000 in after-tax dollars. Over 35 years at 7% annual return, that $7,000 grows to approximately $75,000 — all of which you can withdraw tax-free in retirement. The traditional IRA saves you about $1,540 in taxes today but you'll owe taxes on the entire $75,000 when you withdraw it.
Frequently Asked Questions
Can I have both a traditional IRA and a Roth IRA?
Yes, you can have and contribute to both types of IRAs in the same year. However, your total combined contributions cannot exceed the annual limit ($7,000 in 2026, or $8,000 if age 50 or older). Many people split contributions between both for tax diversification.
What happens if I make too much money to contribute to a Roth IRA?
High earners above the Roth IRA income limits can use a strategy called a backdoor Roth IRA. You make a non-deductible contribution to a traditional IRA, then convert it to a Roth IRA. This is a legal workaround that provides Roth benefits regardless of income.
Which IRA is better for a young person just starting out?
For most young people early in their careers with relatively low incomes, a Roth IRA is typically better. You're likely in a lower tax bracket now than you will be at peak earnings or retirement, so paying taxes now on contributions and getting tax-free growth for decades is usually the better deal.