Project retirement savings for teachers, hospital workers, and nonprofit employees.
The 403(b) sits in the same tier of U.S. retirement law as the 401(k), but it lives in a different ecosystem — public schools, university systems, hospitals, and nonprofit charities. The contribution math is identical to a 401(k); the investment menus are not. For educators and nonprofit workers, the difference between a well-run 403(b)(7) custodial mutual-fund plan and a fee-laden annuity-only plan can mean hundreds of thousands of dollars at retirement.
A 403(b) is a tax-deferred retirement savings plan authorized under section 403(b) of the Internal Revenue Code. The original 1958 version was annuity-only (hence the older name "Tax-Sheltered Annuity"). Since 1974, custodial mutual fund accounts have been permitted under section 403(b)(7), and Roth 403(b) contributions have been available since 2006.
The 15-year service catch-up is the 403(b)'s signature feature. To qualify, you must have completed 15 or more years of service with the same eligible employer, and your average annual contribution to date must be less than $5,000. The catch-up stacks on top of the age-50 catch-up if both apply.
Many 403(b) plans were built around tax-sheltered annuities sold by insurance company representatives who often visited school faculty rooms in the 1990s and 2000s. Common annuity-product fees: surrender charges (5%-10% if you withdraw within 5-10 years), mortality and expense (M&E) fees (typically 1.0%-1.4% annually), administrative fees (0.15%-0.40%), and underlying sub-account expense ratios (often 0.80%-1.30%). Total all-in cost: 2% to 3% annually. Over 30 years, a 2.5% fee drag versus a 0.05% index-fund alternative consumes roughly 50% of the final balance.
The fix: if your plan offers a 403(b)(7) custodial mutual fund window (many large districts do, often with Vanguard, Fidelity, or TIAA), move your contributions there. If your plan only allows annuity vendors, check whether 403bcompare.com or your state's similar transparency portal lists low-cost alternatives within your plan.
Yes — both buckets are independent. Combined annual limit is $23,500 + $7,000 = $30,500 for someone under 50.
Sometimes yes (especially urban districts), sometimes no (often replaced by a pension instead). Many teachers participate in a state pension AND a 403(b) — the pension is the bulk of retirement income with the 403(b) as supplemental savings.
Pensions are usually mandatory contributions; the choice is what to add on top. If you're vested in a pension and expect to stay until full retirement, your 403(b) supplements lifestyle. If you might leave teaching before vesting, 403(b) becomes the primary retirement vehicle.
457(b) is a deferred-compensation plan for state/local government and certain nonprofit employees. You can contribute the full $23,500 to BOTH a 403(b) and a 457(b) in the same year — a powerful stacking option for high-earning public-sector workers.
Your 403(b) goes with you. Roll it into a new employer's 401(k) (if accepted) or an IRA for full investment flexibility and typically lower fees.
No — you must apply through your plan administrator, who verifies your years of service and historical contribution average. Documentation is required.
Educational only. Reviewed by David Roehrig, ChFC®, on February 25, 2026.