403(b) vs. Roth IRA: How to Choose (and When to Use Both)

A 403(b) is a workplace retirement plan offered by eligible employers, including public schools and tax-exempt nonprofits. A Roth IRA is a personal retirement account with compensation and income-eligibility rules. You can use both: their contribution limits are separate. The choice is not simply “workplace account or tax-free account,” because a 403(b) may offer both pre-tax and Roth contributions.

A useful starting point is to check the employer match, compare the actual investment costs, and decide whether a tax break now or qualified tax-free withdrawals later fits your situation. Funding a Roth IRA after the match is one reasonable approach, not a rule that always beats further pre-tax saving.

Side-by-side comparison

Income details: for 2026, the Roth IRA phase-out runs from $153,000 to $168,000 for single/head-of-household filers and from $242,000 to $252,000 for married filing jointly. Inside the band, the allowed amount is reduced; at or above the upper end, a regular Roth contribution is not allowed. Married filing separately while living with a spouse at any time during the year generally uses the $0–$10,000 band. See Roth IRA eligibility for the full filing-status rules.

The 403(b)’s $24,500 figure is an employee-deferral limit, not the total of every possible contribution. Employer contributions and employee contributions generally also face a combined annual-additions limit: the lesser of $72,000 for 2026 or 100% of includible compensation, with age-based catch-ups excluded from that dollar limit. Special rules can apply, including for ministers and church employees. Publication 571 explains those limits and eligible employers.

Start with the match, then compare taxes and costs

A match can make the 403(b) a valuable first stop. Suppose an employer offers a dollar-for-dollar match on the first 5% of an $80,000 salary: a $4,000 employee contribution earns a $4,000 employer contribution. That is a contribution formula, not a guaranteed investment return. Employer money may have a vesting schedule, so check how much you keep if you leave.

After the match, neither account automatically wins:

• A Roth IRA may fit when you value broader investment choices, regular-contribution access, or paying tax now instead of on qualified withdrawals later.
• More pre-tax 403(b) saving may fit when today’s marginal tax rate is higher than the rate you expect on future withdrawals, especially with a low-cost plan.
• A Roth 403(b) may fit when you want Roth treatment beyond the IRA limit or cannot make regular Roth IRA contributions because of income. The workplace Roth option has no Roth IRA MAGI ceiling.
• Cash needs matter. Debt costs, emergency savings, HSA eligibility and the match’s vesting terms can change a sensible funding order.

Qualified Roth IRA withdrawals generally require the Roth IRA five-tax-year period plus age 59½, disability, death, or the qualifying first-home exception (subject to its $10,000 lifetime limit). Regular contributions are different: the ordering rules let those dollars come out first without tax or penalty. Roth 403(b) distributions follow their own rules; an early nonqualified payment generally includes a proportional share of earnings. See withdrawal rules and the IRS designated Roth account FAQs.

Pre-tax 403(b) RMD timing depends on birth year, employment and applicable exceptions; some pre-1987 amounts also have special rules. The IRS RMD FAQs explain them. Do not treat all 403(b) money as locked until 59½: a plan may allow distributions after severance, and separation during or after the calendar year you turn 55 can qualify for a 10% additional-tax exception. That particular exception does not carry over to an IRA.

Catch-ups: which amounts can be combined?

There are two distinct catch-up systems. The age-based one uses either $8,000 or $11,250 in 2026. Separately, IRC §402(g)(7) may increase the deferral limit for long service with a qualifying organization.

For the 15-year allowance, the plan must permit it and the employer must be a qualifying educational organization, hospital, home health or health and welfare service agency, church, or related eligible organization. Service is generally counted with the employer maintaining the plan; related church organizations have a special aggregation rule, and part-time years require adjustment.

The extra allowance is the least of:

1. $3,000;
2. $15,000 minus prior amounts used under this special allowance, including designated Roth amounts; or
3. $5,000 times qualifying years of service, minus prior elective deferrals made for you by that organization.

If you qualify for the full $3,000 service allowance and the relevant age catch-up, the 2026 employee totals are:

• Ages 50–59 or 64+: $24,500 + $3,000 + $8,000 = $35,500.
• Ages 60–63: $24,500 + $3,000 + $11,250 = $38,750.

These are potential limits, not automatic entitlements; compensation, prior contributions and plan terms can lower them. Contributions above the basic deferral limit are allocated to the 15-year allowance first, then to the age-based catch-up. The $15,000 lifetime ceiling applies to the service allowance, not to all age-based catch-ups. Sources: IRS contribution-limit guidance and Publication 571, chapters 4 and 6.

2026 Roth catch-up requirement: if your 2025 FICA wages from the employer sponsoring the plan exceeded $150,000, your age-based catch-up contributions generally must be designated Roth contributions. This is not a test of household MAGI. The statute applies in 2026; the detailed final regulations generally apply after 2026, with special plan rules. Ask payroll how the rule applies to your employment arrangement. Sources: Notice 2025-67 and T.D. 10033.

Compare the actual investments, not just the provider’s name

A 403(b) may offer mutual funds, annuities or both. Product costs and withdrawal restrictions vary, even at the same provider. Ask for the investment menu and the fee disclosures; a recognizable brand does not tell you what your particular contract costs.

• Check fund expense ratios, account/administration charges and any advisory fees.
• For an annuity, also check insurance-related charges, optional benefits and surrender restrictions. Not every annuity has the same fees or guarantees.
• Compare a lower-cost option inside the existing plan before assuming a rollover or taxable account is better. Surrender charges, taxes and lost benefits can change the result.

The SEC’s 403(b) investor bulletin explains the fee and product questions to ask. A Roth IRA usually offers more investment choice, but it is not unrestricted: custodian policies and federal prohibitions still apply, including rules on life insurance, collectibles and self-dealing. See the IRS investment FAQs.

A simple fee illustration: a one-time $10,000 investment growing for 30 years at 7% ends at about $76,123. At a 5% net return, it ends at about $43,219 — roughly 43% less. This assumes no later contributions, taxes or inflation adjustment; it is not a forecast or a typical fee quote. With ongoing deposits, the percentage difference would be different.

Rollover mechanics: 403(b) to Roth IRA

An eligible rollover distribution can move from a 403(b) to a Roth IRA. First confirm the plan allows a distribution; job separation and permitted age-59½ in-service distributions are common routes. Not every withdrawal qualifies for rollover: RMDs and hardship distributions, for example, generally do not.

• Pre-tax 403(b) → Roth IRA: the pre-tax amount moved is included in income for the distribution year. The amount properly rolled into the Roth IRA is not itself subject to the 10% early-distribution tax. Later early Roth withdrawals can raise a separate five-year recapture issue.
• Designated Roth 403(b) → Roth IRA: an eligible amount properly rolled over is not included in income. Future withdrawals follow Roth IRA rules. Time in the Roth 403(b) does not carry over to the Roth IRA’s qualified-distribution five-year clock; an earlier Roth IRA contribution can establish that clock.

The payee matters more than who carries the check:

• Direct rollover: the payment is made to the receiving IRA custodian for your benefit. A check mailed to you to forward can still be a direct rollover when it is payable to that custodian, not to you. The 60-day rollover deadline and mandatory 20% withholding do not apply to that direct rollover.
• Payment made to you: an eligible rollover distribution generally must be redeposited within 60 days. The plan generally withholds 20% of the taxable portion, not automatically 20% of every dollar. To roll over the entire distribution, replace the withheld amount from other funds. Withholding is a tax payment, not the final tax calculation.

For example, an entirely pre-tax $10,000 distribution paid to you generally produces an $8,000 check and $2,000 withholding. Adding $2,000 from other funds lets you roll $10,000 into the Roth IRA. The $10,000 pre-tax amount is still taxable because this is a Roth conversion; the $2,000 withheld counts toward the tax bill. If only $8,000 reaches the Roth IRA, the unrolled $2,000 may also face the 10% additional tax unless an exception applies. It is not taxed as income twice.

After-tax money needs separate care. The IRA-wide pro-rata calculation does not blend your IRA balances into a direct workplace-plan rollover. But a non-Roth plan account containing pre-tax and after-tax money still has proportional-allocation rules. Under Notice 2014-54, coordinated rollovers can send the pre-tax portion of a distribution to a Traditional IRA and the after-tax portion to a Roth IRA. That does not let you pull out only after-tax basis while leaving the associated pre-tax share in the plan.

These rollovers are separate from the Roth IRA annual regular-contribution limit and its MAGI gate. A direct rollover is still reportable. Sources: IRS Topic 413, Topic 410, IRS rollover guidance and after-tax allocation guidance. See our rollover rules and 401(k)-to-Roth guide for the related workflow.

A practical funding sequence

1. Check the 403(b) match. Understand the contribution formula, vesting and your cash needs before setting payroll deferrals.
2. Compare a Roth IRA with additional 403(b) saving. Use your current/future tax expectations, investment costs and access needs. A full $7,500 IRA contribution is $625 a month; income and compensation limits may allow less.
3. Use the remaining eligible capacity. A 403(b) can hold more annual employee contributions than an IRA, and the Roth 403(b) option may be useful if available. HSA eligibility and other financial priorities can change the order.

If income rules out a regular Roth IRA contribution, a backdoor Roth IRA may be possible, but it is not automatically tax-free: existing Traditional, SEP and SIMPLE IRA money can affect its pro-rata calculation. Ordinary IRA contributions are generally due by the return filing deadline, excluding extensions; payroll deferrals follow the plan’s payroll timing. See contribution limits for the year-specific deadlines and rules.

Worked example: Maria divides $12,000 of contributions

Maria is 35, earns $80,000 at an eligible nonprofit hospital, files single, and is eligible for a full Roth IRA contribution. Her hypothetical plan matches dollar-for-dollar on the first 5% of salary, with immediate vesting and low-cost investments. She allocates $12,000 a year in employee contributions:

• $4,000 to the pre-tax 403(b) earns the $4,000 match.
• $7,500 goes to her Roth IRA.
• The remaining $500 goes to the pre-tax 403(b).

That is $4,500 of employee pre-tax deferrals, $4,000 of employer money and $7,500 of Roth IRA contributions: $16,000 going into the two accounts. At an assumed 22% federal marginal rate on the $4,500 deferral, her current federal tax savings are $990. Her after-federal-tax cash cost is therefore $12,000 − $990 = $11,010. State taxes and other tax interactions are not modeled.

For an illustration, hold these contribution amounts fixed for 30 years, deposit at each year-end and assume a constant 7% annual return, no fees and no inflation adjustment:

• 403(b), $8,500 a year including the match: about $802,917 before withdrawal tax, or $626,275 after an assumed flat 22% tax on that balance.
• Roth IRA, $7,500 a year: about $708,456, assuming qualified tax-free withdrawals.
• Combined after-tax value: about $1,334,731 under those assumptions.

The calculation is annual contribution × [(1.07³⁰ − 1) ÷ 0.07]. For comparison of contribution capacity alone, a fixed $24,500 annual deposit would grow to about $2,314,289 before any withdrawal tax. Actual returns and future contribution limits will differ.

This is not proof that splitting accounts creates extra wealth. A fair Roth-versus-pre-tax comparison must use the same take-home-pay cost and account for tax savings. With equal tax rates, investment returns and cash costs, the basic pre-tax and Roth arithmetic can produce the same after-tax result. Maria gains two different tax treatments and different access options, not a guaranteed Roth bonus. Our growth projection can illustrate other assumptions.

Common mistakes to avoid

• Adding both age catch-ups. Use $8,000 or $11,250 in 2026, not both. Calculate any 15-year allowance separately.
• Assuming every check is an indirect rollover. Check the payee and the sending plan’s instructions.
• Confusing no withholding with no tax. A direct pre-tax-to-Roth rollover still creates taxable income.
• Treating investment choice as unlimited. Compare actual menus, fees and federal account rules.
• Assuming “both” means two IRA limits. The workplace-plan and IRA limits are separate, but your regular Traditional and Roth IRA contributions share one IRA allowance.
• Moving money before checking access and protection. A rollover can change penalty exceptions, creditor protection, fees and available investments. Plan distribution rights are not the same as tax exemptions.

Additional references: IRS plan-loan FAQs, early-distribution exceptions, Publication 590-B, and the Labor Department’s Choosing a Retirement Plan for Your Small, Faith-Based Organization (403(b) coverage and vesting). Creditor outcomes depend on the applicable law and facts; this comparison is not a legal-protection opinion.

Frequently asked questions

Should I contribute to a 403(b) or a Roth IRA first?

Start by checking the employer match and vesting terms. After that, compare current and expected future tax rates, investment costs, access needs and Roth IRA eligibility. A Roth IRA after the match is one reasonable sequence, but more pre-tax 403(b) saving may fit a different situation. Neither ordering is universally best.

Can I have both a 403(b) and a Roth IRA?

Yes. In 2026, an eligible saver under 50 with enough compensation can contribute $24,500 to a 403(b) and $7,500 to an IRA, for $32,000 total before employer money. Roth IRA income restrictions still apply. Traditional and Roth IRA regular contributions share the IRA limit; pre-tax and Roth 403(b) deferrals share the workplace limit, generally with any 401(k) deferrals as well.

What is the 15-year service catch-up in a 403(b)?

If the plan permits, qualifying long-service employees may receive up to $3,000 of extra annual deferral room, subject to a $15,000 lifetime ceiling and prior-contribution tests. Apply the service allowance before the age-based catch-up. With the full service allowance, the 2026 total is $35,500 at ages 50–59 or 64+, or $38,750 at ages 60–63. The $11,250 higher age catch-up replaces the ordinary $8,000 catch-up; it does not stack with it.

Can I roll over my 403(b) to a Roth IRA?

Yes, if the plan permits a distribution and the amount is eligible for rollover. Pre-tax dollars moved to a Roth IRA are taxable; an eligible designated Roth amount properly rolled over is not. A check payable to the receiving IRA custodian for your benefit can be a direct rollover even if you forward it. A payment made to you generally has a 60-day deadline and 20% withholding on its taxable portion. Direct rollovers avoid that withholding but remain reportable, and pre-tax-to-Roth rollovers still create income. Mixed pre-tax/after-tax plan money has its own allocation rules.

Is a 403(b) better than a Roth IRA?

Neither is universally better. A 403(b) offers greater employee contribution capacity and may provide employer money and pre-tax or Roth choices. A Roth IRA often offers broader investments, regular-contribution access and qualified tax-free withdrawals. Both Roth IRAs and designated Roth 403(b) accounts have no owner-lifetime RMDs under current rules. Taxes, fees, eligibility and personal circumstances determine the useful mix.

Corrections and updates

Article history

September 26, 2026 — Correction: Corrected the distinction between a direct rollover check and a payment made to the saver, and limited the 20% withholding explanation to the taxable portion. Corrected the age-based catch-up arithmetic, service-allowance conditions and growth examples; removed a claimed Roth advantage based on unequal contribution costs. Also corrected overbroad statements about eligibility, investment freedom, withdrawals and creditor protection, and replaced unconditional funding recommendations with conditional comparisons. Public correction record.

Continue reading

• Roth IRA vs. 401(k) — a related workplace-plan comparison.
• Roth 401(k) and Roth 403(b) rules — workplace Roth contributions and withdrawals.
• 2026 contribution limits and Roth IRA eligibility.
• Backdoor Roth IRA — the route and its important tax conditions.
• Roth IRA vs. brokerage account — different account rules, not a universal funding order.