A Roth IRA is a retirement account funded with after-tax dollars, where qualified withdrawals, including all investment gains, are entirely tax-free, with no required withdrawals during the owner’s lifetime. For high-income households with a long investment horizon, that combination of tax-free compounding and no forced distributions can be worth hundreds of thousands of dollars, or considerably more, compared to an equivalent taxable or traditional retirement account.

Roth vs. Traditional: The Core Difference

A traditional IRA is generally funded with pre-tax dollars, reducing your taxable income in the year you contribute, but every withdrawal in retirement, including all gains, is taxed as ordinary income. Traditional IRA owners must also begin required minimum distributions under current law at age 73 (for those born between 1951 and 1959) or age 75 (born 1960 or later), and withdrawals before age 59½ generally trigger a 10% penalty in addition to ordinary income tax.

A Roth IRA flips this: you contribute after-tax dollars, but qualified withdrawals in retirement are entirely tax-free, and there is no required minimum distribution during the original owner’s lifetime. This makes the Roth especially powerful for money you don’t expect to need on a fixed schedule, since it can simply keep compounding tax-free for as long as you choose to let it.

A Brief History

IRAs were created by ERISA in 1974 to encourage retirement saving outside employer pension plans. The Economic Recovery Tax Act of 1981 expanded access and raised contribution limits. Congress created the Roth IRA in 1997, named for Senator William Roth of Delaware, specifically to encourage after-tax retirement saving. IRAs collectively now hold several trillion dollars in assets, representing a substantial share of total U.S. retirement savings.

What the Roth Advantage Actually Looks Like

Consider someone contributing $5,000 a year for 30 years, with a hypothetical 8% average annual return. 

Editor’s note: verified this calculation independently — standard end-of-year annuity math on $5,000/year for 30 years at 8% produces $566,416, which matches this draft exactly. (For reference, an older version of this article on the live site uses $625,123 for the same assumptions, which doesn’t reconcile with standard compounding math. This draft’s figure is the more defensible one.)

Using standard compounding assumptions, that grows to approximately $566,000. In a traditional IRA, that full balance is taxed as ordinary income upon withdrawal; at a 25% tax rate, the after-tax value is roughly $425,000. In a Roth IRA, the same $566,000 is withdrawn entirely tax-free, a difference of roughly $141,000 in this example, growing substantially larger with higher contributions, longer time horizons, or higher tax rates at withdrawal.

An honest caveat on this comparison

This example assumes the same dollar contribution to either account type and an identical tax rate at contribution and withdrawal. It does not account for the fact that a traditional IRA contributor could separately invest the upfront tax savings from the deduction, which is the standard nuance that narrows the gap between Roth and traditional accounts when tax rates don’t change. The Roth’s practical advantage tends to be largest specifically when your tax rate in retirement is expected to be the same or higher than your rate today, which is common for high-income savers with substantial taxable investment accounts generating income alongside their retirement withdrawals. This example is hypothetical and for illustration only; it does not reflect any actual investment, and actual returns and tax rates will vary.

2026 Contribution Limits and Income Rules

For 2026, the Roth and traditional IRA contribution limit is $7,500 ($8,600 if you’re 50 or older, including a $1,100 catch-up contribution). Direct Roth IRA contributions phase out based on modified adjusted gross income (MAGI): for single filers, the full contribution is available below $153,000 MAGI, phasing out completely at $168,000. For married couples filing jointly, the full contribution is available below $242,000 MAGI, phasing out completely at $252,000. These limits are indexed annually for inflation, so confirm current figures each year.

The Backdoor Roth: Still Available, With a Real Caveat

High earners above the income limits can generally still fund a Roth indirectly: contribute to a traditional IRA (which has no income limit on contributions), then convert those funds to a Roth IRA. The conversion is a taxable event, though if the original contribution was non-deductible, only any growth between contribution and conversion is taxed.

The genuine complication is the pro-rata rule. If you hold any pre-tax money in any traditional, SEP, or SIMPLE IRA at year-end, the IRS treats the conversion as a proportional mix of pre-tax and after-tax dollars across all your IRA balances combined, not just the account you’re converting. This can produce a larger, unexpected tax bill than anticipated. The standard fix, where the employer’s plan allows it, is rolling existing pre-tax IRA balances into a 401(k) before executing the backdoor conversion. This strategy has also faced repeated legislative proposals for elimination in recent years, none of which have passed as of this writing, but its long-term availability isn’t guaranteed and is worth monitoring.

For High Earners: The Mega Backdoor Roth

Some employer 401(k) plans allow after-tax contributions beyond the standard employee deferral limit, which can then be converted to Roth, either inside the plan or via rollover to a Roth IRA. This mega backdoor strategy can allow substantially larger Roth contributions than the standard IRA limits permit, but it depends entirely on your specific plan’s provisions, which vary widely and should be confirmed directly with your plan administrator.

What’s New for 2026 Specifically

Starting January 1, 2026, a mandatory rule takes effect under SECURE 2.0: employees age 50 or older who earned more than approximately $150,000 in FICA wages from their employer in the prior year must make their 401(k), 403(b), or governmental 457(b) catch-up contributions on a Roth basis, not pre-tax. If an employer’s plan doesn’t offer a Roth option, affected employees lose the ability to make catch-up contributions at all until one is added. This is a meaningful, mandatory shift toward Roth savings specifically for higher-earning employees nearing retirement, and it’s worth confirming with your plan administrator whether your income crosses this threshold.

Separately, required minimum distributions were eliminated for Roth 401(k) and Roth 403(b) accounts starting in 2024, aligning their treatment with Roth IRAs. And SECURE 2.0 also introduced a new option to roll up to $35,000 of unused 529 education savings into a Roth IRA for the same beneficiary over their lifetime, subject to conditions including a 15-year account holding requirement, which is worth knowing if you’re managing leftover 529 funds.

Using a Roth IRA Strategically

• Convert during a down year: Converting a traditional IRA to a Roth when its value is temporarily depressed means paying conversion tax on a smaller balance, letting the eventual recovery happen entirely inside the tax-free Roth wrapper. Paying the conversion tax from outside funds, rather than from the IRA itself, preserves more of the balance for tax-free growth.
• Use it as a generational wealth vehicle: Since there’s no lifetime required distribution, a Roth IRA you don’t need for your own retirement can simply keep compounding tax-free and pass to heirs. Beneficiary rules for inherited Roth IRAs have their own distribution requirements, so this should be planned with current inherited-IRA rules in mind.

Think about asset location: Since the tax benefit scales with growth, placing your highest-growth-potential investments inside the Roth, rather than lower-returning holdings like bonds or cash equivalents, generally maximizes the value of the tax shelter over time. This is a portfolio construction decision worth discussing with an advisor rather than a do-it-yourself guess.

This kind of tax-aware account structuring is exactly what Ridgewood’s own investment philosophy treats as inseparable from portfolio construction itself: which account holds which asset is as much a part of the plan as which asset to own in the first place.

The Main Pitfall: The Five-Year Rule

To withdraw earnings tax-free, you generally need both to be 59½ or older and to have held Roth funds for at least five years from your first contribution or conversion. Withdrawing earnings before satisfying both conditions can trigger ordinary income tax and a 10% penalty on the earnings portion. Each Roth conversion has its own five-year clock for penalty purposes, which is a detail worth tracking carefully if you’ve done multiple conversions in different years.

Where This Requires More Than a Financial Advisor

A fee-only fiduciary advisor can help you decide how much to contribute, whether a backdoor or mega backdoor strategy fits your situation, and how to position investments across account types for tax efficiency. Actual tax return preparation, Form 8606 filings for non-deductible contributions, and specific tax questions should involve a qualified CPA, since getting the reporting wrong on backdoor Roth contributions is a common, costly mistake.

Frequently Asked Questions

How much can I contribute to a Roth IRA in 2026?

The 2026 limit is $7,500, or $8,600 if you’re 50 or older. Full contributions are available below $153,000 MAGI for single filers or $242,000 for married couples filing jointly, phasing out completely at $168,000 and $252,000 respectively.

What is a backdoor Roth IRA and is it still legal in 2026?

It’s a strategy where high earners contribute to a traditional IRA, which has no income limit, and then convert those funds to a Roth IRA. It remains available as of 2026, though it has faced repeated legislative proposals for elimination in recent years. The main technical complication is the pro-rata rule, which can create unexpected taxes if you hold other pre-tax IRA balances.

Do Roth IRAs have required minimum distributions?

No. Roth IRAs have never had required minimum distributions during the original owner’s lifetime. Roth 401(k) and Roth 403(b) accounts were brought in line with this treatment starting in 2024, eliminating their RMDs as well.

What changed for Roth accounts starting in 2026?

Starting January 1, 2026, employees age 50 or older earning more than roughly $150,000 in prior-year wages from their employer must make 401(k), 403(b), or 457(b) catch-up contributions on a Roth basis rather than pre-tax, under SECURE 2.0. This is a mandatory rule, not optional, for employees who meet the income threshold.

Related Reading

• 4 Tips on How to Manage Generational Wealth
• How High-Income Professionals Should Structure Their Investments: The Framework Most Skip

About the Author

Ken Majmudar, CFA, is the Founder and Chief Investment Officer of Ridgewood Investments, a fee-only fiduciary registered investment adviser based in Springfield, New Jersey. He has been investing since 1992, with a focus on long-term value investing for high-income professionals, business owners, and multi-generational families.

Disclosure

COMPLIANCE REVIEW NEEDED — draft placeholder below, not final language

This article is for general informational and educational purposes only and does not constitute investment, legal, or tax advice, and does not take into account any individual’s specific financial or tax circumstances.

Ridgewood Investments is a registered investment adviser. Registration with the SEC does not imply a certain level of skill or training. Ridgewood Investments does not provide tax preparation or legal advice; consult a qualified CPA or tax attorney for guidance specific to your situation.

The 8% hypothetical growth example in this article is for illustration only, does not reflect any actual investment or account, and is not a projection, forecast, or guarantee of future performance. Actual investment returns will vary and may be negative.

Contribution limits, income phase-out thresholds, and tax rules referenced in this article reflect IRS guidance current as of the publication date and are subject to change, including annual inflation adjustments and future legislation.

Past performance is not indicative of future results. All investments involve risk, including the possible loss of principal.

Please consult with a qualified financial advisor and tax professional before making decisions related to Roth IRA contributions, conversions, or retirement account strategy.