A pre-tax IRA vs. a Roth IRA comes down to when you pay taxes: a traditional (pre-tax) IRA lowers your taxable income the year you contribute and taxes your withdrawals in retirement, while a Roth IRA is funded with money you’ve already paid taxes on and lets qualified withdrawals come out tax-free. Both accounts share a combined $7,500 annual contribution limit in 2026, with an extra $1,100 catch-up for savers 50 and older, bringing that group’s ceiling to $8,600.1Internal Revenue Service. 401(k) Limit Increases to $24,500 for 2026, IRA Limit Increases to $7,500 That single difference in tax timing drives almost every other rule that distinguishes them.
How Each Account Handles Taxes
With a traditional IRA, the contribution reduces your taxable income for the year you make it. Earn $75,000, contribute $7,500, and (if you qualify for the full deduction) you report $67,500 on your federal return. The savings show up right away in a smaller balance due or a bigger refund.2Office of the Law Revision Counsel. 26 U.S.C. 219 – Retirement Savings Every dollar you later withdraw counts as ordinary income and is taxed at whatever rate applies then.
A Roth IRA runs in reverse. You fund it with after-tax money, so there’s no deduction and no reduction in this year’s income.3Office of the Law Revision Counsel. 26 U.S.C. 408A – Roth IRAs In return, qualified withdrawals in retirement — including decades of investment growth — come out entirely tax-free. You pay the IRS now so you don’t pay them again later.
2026 Contribution Limits and Deadline
The $7,500 limit (or $8,600 with the catch-up) is a combined cap across all your IRAs. Put $4,000 into a traditional IRA and you have $3,500 left for a Roth. Your total contributions also can’t exceed your earned income for the year.
You have until the tax filing deadline to fund an account for a given tax year, so 2026 contributions can be made through April 15, 2027.4Internal Revenue Service. Traditional and Roth IRAs That extra window is useful. You get to see your final income numbers before deciding how much to put where, which matters if you’re splitting between account types.
Who Can Contribute or Deduct
Both accounts limit their main tax benefits based on income, but in different ways. Get this wrong and you’ll fund an account without receiving the benefit you thought you were paying for.
Roth IRA Income Limits
Roth contributions are gated by modified adjusted gross income (MAGI). For 2026, single filers can contribute the full amount below $153,000. The allowable contribution shrinks between $153,000 and $168,000, and disappears above $168,000. For married couples filing jointly, the phase-out runs from $242,000 to $252,000.1Internal Revenue Service. 401(k) Limit Increases to $24,500 for 2026, IRA Limit Increases to $7,500 Above the top of either range, direct Roth contributions are off the table.
Traditional IRA Deduction Phase-Outs
Anyone with earned income can contribute to a traditional IRA regardless of how much they earn. Income only affects whether the contribution is deductible. If neither you nor your spouse is covered by a workplace retirement plan, the full deduction is available at any income level.5Internal Revenue Service. IRA Deduction Limits
When you or your spouse is covered by an employer plan, income-based phase-outs reduce or eliminate the deduction. Thresholds differ by filing status and by which spouse has the workplace coverage, and the IRS adjusts them each year for inflation.5Internal Revenue Service. IRA Deduction Limits If your income exceeds the phase-out, you can still contribute, but the contribution is nondeductible. Nondeductible contributions have to be reported on IRS Form 8606, which tracks your after-tax basis so the same dollars aren’t taxed twice when you withdraw. Missing the form carries a $50 penalty.6Internal Revenue Service. 2025 Instructions for Form 8606
Getting Money Out
Withdrawals are where the pre-tax versus after-tax split hits hardest. Every dollar you pull from a traditional IRA in retirement is taxed as ordinary income at your current rate. Pull $30,000, and the IRS treats it the same as $30,000 of wages.
Withdrawals before age 59½ from either account type generally trigger a 10% additional tax on top of any income tax due.7Internal Revenue Service. Substantially Equal Periodic Payments With a traditional IRA that penalty applies to the whole distribution. With a Roth, it only applies to earnings withdrawn early, not to your original contributions.
Roth Contributions Stay Accessible
Because Roth contributions were already taxed, you can withdraw them at any time, at any age, without taxes or penalties.3Office of the Law Revision Counsel. 26 U.S.C. 408A – Roth IRAs That makes the Roth function as a partial emergency reserve, though pulling from it early does set back long-term compounding.
Earnings are treated differently. For withdrawals of earnings to come out fully tax-free, two conditions have to be met: the account must have been open at least five tax years, and you must be at least 59½ (or qualify through disability or death).8Office of the Law Revision Counsel. 26 U.S. Code 408A – Roth IRAs Withdrawals meeting both are called qualified distributions. Earnings pulled early are taxed as income and may face the 10% penalty.
Exceptions to the 10% Early Withdrawal Penalty
The early-withdrawal penalty has a long list of exceptions. Not every exception erases the income tax on a traditional IRA withdrawal, but each removes the extra 10%. Common ones for IRAs include:
- First-time home purchase, up to $10,000
- Higher education expenses for you, your spouse, children, or grandchildren
- Unreimbursed medical expenses above 7.5% of adjusted gross income
- Health insurance premiums after receiving unemployment compensation for at least 12 weeks
- Birth or adoption expenses, up to $5,000 per child
- Total and permanent disability of the account owner
- Federally declared disaster recovery, up to $22,000
- Domestic abuse, up to the lesser of $10,000 or 50% of the account
- Substantially equal periodic payments taken over your life expectancy
The domestic abuse and disaster recovery exceptions came in with SECURE 2.0 and apply to distributions made after December 31, 2023.9Internal Revenue Service. Retirement Topics – Exceptions to Tax on Early Distributions
Required Minimum Distributions
Traditional IRAs eventually force money out of the account whether you want it or not. Required minimum distributions (RMDs) ensure the IRS collects tax on the dollars it let you defer. Under SECURE 2.0, the starting age depends on your birth year:
- Born 1951 through 1959: RMDs begin after you turn 73.
- Born 1960 or later: RMDs begin after you turn 75.
Your first RMD is due by April 1 of the year after you reach the applicable age, and each subsequent one by December 31.10Congress.gov. Required Minimum Distribution (RMD) Rules for Original Owners Miss one, and the shortfall is hit with a 25% excise tax, dropping to 10% if you correct it within the allowed window.11Office of the Law Revision Counsel. 26 U.S.C. 4974 – Excise Tax on Certain Accumulations in Qualified Retirement Plans
Roth IRAs have no RMDs during the original owner’s lifetime. Money can keep compounding tax-free as long as you live. For someone with other retirement income, that also avoids a forced bump in taxable income that could push you into a higher bracket or increase Medicare premiums.
The Backdoor Roth for High Earners
If your income is above the Roth contribution limits, the backdoor Roth is a legal workaround. You make a nondeductible contribution to a traditional IRA (contributions have no income limit, only deductions do), then convert those funds to a Roth. Because the money was already taxed and no deduction was claimed, the conversion itself creates little or no additional tax — as long as you have no other traditional IRA balances.
That caveat matters. The IRS treats all your traditional IRAs as one pool when calculating the taxable portion of a conversion. Hold $95,000 in deductible traditional IRA money and convert $5,000 in nondeductible contributions, and you can’t isolate the after-tax slice. A pro-rata rule applies, and most of the $5,000 becomes taxable. Anyone considering this move with existing traditional IRA assets should run the pro-rata math or talk to a tax advisor.
Conversions must be completed by December 31 of the year you want them to count for. Report the nondeductible contribution on Form 8606 and the conversion on your return.6Internal Revenue Service. 2025 Instructions for Form 8606 There’s no income limit and no cap on how much you can convert in a year.
Which One Fits Your Situation
The core question is whether your tax bracket will be higher or lower in retirement than it is now. A lower bracket today, with higher earnings expected later, favors the Roth: you lock in today’s rate and everything grows out tax-free. Peak earnings today, with an expected drop in retirement, favor the traditional deduction: you save tax at a high rate now and pay at a lower rate later.
Plenty of people use both. Younger workers early in their careers often lean Roth because their rate is unlikely to go lower. Someone in their 40s or 50s in the 24% or 32% bracket, who expects to withdraw in the 12% or 22% bracket, often prefers the deduction.
A few other factors round out the choice. Roth IRAs allow penalty-free access to contributions, useful if plans change. They also eliminate lifetime RMDs, which means less forced income in retirement and a cleaner account to leave heirs. Traditional IRAs deliver the tax break when many people value it most, and they work well for savers who actually invest the resulting refund rather than spend it. Neither account wins for everyone. The right answer tracks your income now, where you expect it to land later, and how much certainty you want about a tax rate that’s still decades away.