Roth vs Traditional IRA: Which Should You Choose?

Roth and Traditional IRAs both offer powerful retirement savings with tax advantages — but they tax you at different points, and choosing wrong can cost you tens of thousands of dollars. To see how each account grows for your contribution amount and timeline, run the projections with our Investment Calculator and Retirement Calculator.

The Core Difference: When You Pay Tax

Traditional IRA: Contributions may be tax-deductible now (reducing this year's taxes), but withdrawals in retirement are taxed as ordinary income.

Roth IRA: Contributions are made with after-tax dollars (no tax break now), but qualified withdrawals in retirement are 100% tax-free — including all the growth.

The question is simply: do you want a tax break today or tax-free income in retirement?

The Numbers: $7,000/year for 30 Years at 7%

Assume you contribute the 2026 IRA limit of $7,000/year for 30 years, earning 7% annually. Your account grows to about $661,000.

Traditional IRA (25% tax bracket in retirement): You get a tax deduction now, but pay 25% on withdrawals — $165,000 in taxes, leaving about $496,000 to spend.

Roth IRA (25% bracket now and in retirement): You pay tax on the money before contributing, but withdraw the full $661,000 tax-free.

**When tax rates are equal, Roth wins** because you're effectively paying tax on the smaller (pre-growth) amount.

When Traditional IRA Wins

A Traditional IRA wins when your tax rate in retirement is lower than your tax rate today. This is common when:

• You're in a high tax bracket now (e.g., 32%+)
• You expect lower income in retirement (no pension, modest withdrawals)
• You need the tax deduction now to make contributing affordable

Example: You're in the 32% bracket now but expect 22% in retirement. The deduction saves you $2,240/year on a $7,000 contribution — and you only pay 22% on withdrawals later. Traditional wins clearly.

When Roth IRA Wins

Roth is better when your retirement tax rate will be higher — which happens when:

• You're in a low bracket now (students, early career, gaps in work)
• You expect substantial retirement income (pension, rental income, large withdrawals)
• You want to avoid RMDs (Required Minimum Distributions) — Roth IRAs have none
• You want tax-free income to manage your tax bracket in retirement

Roth advantages beyond taxes:

• No required minimum distributions (Traditional IRAs force withdrawals starting at age 73)
• Tax-free withdrawals for heirs in most cases
• Contributions (not earnings) can be withdrawn anytime without penalty
• Great for young investors whose tax bracket will rise

The 2026 Contribution Limits and Income Rules

2026 IRA contribution limit: $7,000 ($8,000 if you're 50 or older). This is a combined limit across all Traditional and Roth IRAs you hold.

Roth IRA income limits (2026): You can contribute the full amount if your modified adjusted gross income (MAGI) is under $165,000 (single) or $246,000 (married filing jointly), with phase-outs above those thresholds. High earners may need a Backdoor Roth.

Traditional IRA: No income limit to contribute, but the tax deduction phases out if you or your spouse has a workplace retirement plan (401(k)) and your income exceeds thresholds.

The Tax-Free Growth Example

The real power of Roth is tax-free growth. A 25-year-old who contributes the $7,000 maximum annually until age 55 (30 years) at 7% ends with about $661,000 — every dollar of it tax-free in a Roth. In a Traditional IRA, a future 25% tax rate turns that into roughly $496,000 of spending power.

A Common Strategy: Have Both

Many investors use both accounts for tax diversification:

• Roth IRA: Build tax-free income you can control in retirement
• Traditional IRA/401(k): Use deductions now and withdraw in lower brackets later
• Roth conversions: Convert Traditional funds to Roth in low-income years to lock in lower rates

Common Mistakes

Ignoring income limits: Contributing to a Roth when your income exceeds the limit triggers a 6% excess contribution penalty every year until fixed.

Missing the deadline: Contributions for tax year 2026 can be made until April 15, 2027 — don't wait until next December.

Overlooking the 5-year rule: Withdrawing Roth earnings before age 59½ and before the account is 5 years old triggers taxes and penalties.

Conclusion

For most young and mid-career savers in 2026, the Roth IRA is the better default — tax-free growth on decades of compounding is hard to beat, and you can always withdraw contributions penalty-free. If you're in a high bracket now and expect a lower one in retirement, a Traditional IRA wins. Project both paths with our Investment Calculator to see which one comes out ahead for your specific numbers.