Retirement Planning

Roth IRA vs. Traditional IRA: Complete Comparison

By Maria Arroyo | 9 min read | January 2024

Roth vs Traditional IRA comparison

Choosing between a Roth IRA and Traditional IRA is one of the most important retirement planning decisions you'll make. The choice affects your taxes today and your retirement income later. Understanding the differences helps you make the right decision for your situation.

The Fundamental Difference

Traditional IRA

Contributions may be tax-deductible now. You pay income taxes when you withdraw in retirement. The tax benefit comes upfront, reducing your current tax bill.

Roth IRA

Contributions are made with after-tax dollars. Qualified withdrawals in retirement are completely tax-free. The tax benefit comes at withdrawal, not now.

When Traditional IRA Makes Sense

When Roth IRA Makes Sense

IRA comparison

Required Minimum Distributions (RMDs)

Traditional IRA

You must begin taking required minimum distributions at age 73. These distributions are taxable and mandatory, whether you need the money or not.

Roth IRA

No RMDs during your lifetime. You can let the money grow indefinitely and leave it to heirs. This makes Roth particularly valuable for estate planning.

The Roth Conversion Strategy

If you have a Traditional IRA, you can convert some or all of it to a Roth IRA. You'll owe taxes on the converted amount, but future growth and withdrawals will be tax-free. This is particularly powerful if you expect higher future taxes.

Income Limits

Roth IRAs have income limits for contributions:

Traditional IRA deductibility is also limited if you or your spouse has a workplace retirement plan.

Which Should You Choose?

Many financial experts recommend having both types of IRAs for tax diversification—some money in Traditional for current tax benefits, some in Roth for tax-free retirement income and no RMDs.

The "right" answer depends on your specific tax situation, time horizon, and retirement income expectations. Consider consulting a tax professional for personalized advice.

Backdoor Roth IRA Strategy

High earners often find Roth IRA contributions impossible due to income limits. The "backdoor Roth" strategy offers a workaround: contribute to a Traditional IRA (non-deductible), then immediately convert it to a Roth IRA. You pay taxes on any gains before conversion, but the conversion itself isn't taxable if done promptly. This strategy lets high earners access Roth benefits regardless of income.

Pro-Rata Rule Considerations

The backdoor Roth strategy becomes complex if you have existing Traditional IRA balances. The pro-rata rule requires you to calculate the taxable versus non-taxable portion of any conversion based on your total IRA balances across all Traditional, SEP, and SIMPLE IRAs. This can create unexpected tax consequences.

Managing Both Accounts Strategically

Many retirees benefit from having both Traditional and Roth accounts. Traditional balances provide tax-deferred growth and potential current deductions. Roth balances offer tax-free withdrawals and no mandatory distributions. This combination provides flexibility in managing taxable income during retirement.

For example, you might draw from Traditional accounts in years when other income is low, minimizing tax brackets. Meanwhile, Roth accounts remain untouched, continuing to grow tax-free. This "tax diversification" strategy gives you optionality in retirement that those with only Traditional accounts lack.

Early Withdrawal Rules

Traditional IRA

Withdrawals before age 59½ incur a 10% penalty plus ordinary income taxes. However, certain exceptions exist: first-time home purchase (up to $10,000), qualified education expenses, disability or death, and substantial equal periodic payments (SEPP) arrangements.

Roth IRA

Contributions (but not earnings) can be withdrawn anytime penalty-free since Roth contributions are made with after-tax dollars. Earnings withdrawals are tax and penalty-free if the account is at least five years old and you're 59½ or older. The five-year rule applies separately to each Roth IRA you own.

For more on retirement planning, see our 401(k) basics guide.

Maria Arroyo

Maria Arroyo

Certified Financial Planner

Maria helps investors navigate the complexities of retirement account selection.