If you work for a school, hospital, or nonprofit, you likely have a 403(b) instead of a 401(k). They’re similar — but key differences can cost you thousands.
Side-by-Side Comparison
| Feature | 401(k) | 403(b) |
|---|---|---|
| Employer type | Private companies | Nonprofits, schools, government |
| 2026 contribution limit | $24,500 | $24,500 |
| Catch-up (age 50+) | +$8,000 | +$8,000 |
| Enhanced catch-up (ages 60-63) | +$11,250 | +$11,250 |
| Special 15-year catch-up | ❌ No | ✅ +$3,000/year (up to $15,000 lifetime) |
| Roth option available | Usually yes | Often yes |
| Employer match | Common (typically in the 4-5% range) | Less common |
| Investment options | Mutual funds, target-date, ETFs | Often annuities + limited mutual funds |
| Average all-in fees | Typically lower | Often higher, especially annuity-based plans |
| ERISA protection | Yes (most) | Not always (church plans exempt) |
| Loan provision | Usually available | Usually available |
| Roth conversion | Available | Available |
| Required minimum distributions | Age 73/75 (Roth 401k: none, since 2024) | Age 73/75 (Roth 403b: none, since 2024) |
| Hardship withdrawal | Available | Available |
2026 Contribution Limits (Both Plans)
| Category | Limit |
|---|---|
| Employee elective deferral (under 50) | $24,500 |
| Catch-up contribution (50+) | +$8,000 |
| Enhanced catch-up (60-63) | +$11,250 (replaces $8,000) |
| 403(b) 15-year service catch-up | +$3,000 (if applicable) |
| Total employee + employer (under 50) | $72,000 |
| Maximum possible (403(b), age 60-63, with 15-yr) | $38,750 (employee-side; still subject to overall $83,250 combined cap) |
The 403(b) 15-Year Catch-Up Rule
Unique to 403(b) plans: if you’ve worked for the same employer for 15+ years AND contributed less than $5,000/year on average, you can contribute an extra $3,000/year (up to a $15,000 lifetime limit).
Example: A teacher who’s worked 20 years but only contributed $3,000/year on average qualifies for:
- Regular limit: $24,500
- Age 50+ catch-up: $8,000
- 15-year catch-up: $3,000
- Total: $35,500/year
The Hidden Fee Problem in 403(b) Plans
Many 403(b) plans use annuity products with layered fees. Exact fee levels vary enormously by provider and plan, but as a general pattern:
| Fee Type | Typical 401(k) | Typical 403(b) (Annuity) |
|---|---|---|
| Expense ratio (funds) | Low (often well under 0.5%) | Meaningfully higher |
| Mortality & expense (M&E) | N/A | Often adds a material annual cost |
| Administrative fees | Low | Often higher |
| Surrender charges | Rarely | Common in early years, can run several percent |
| Total all-in cost | Generally lower | Can be substantially higher |
Confirm your specific plan’s fee disclosure (Form 5500 or Summary Plan Description) rather than relying on industry averages — fees vary enormously by provider and plan.
Impact of High Fees Over a Career
Even a seemingly small difference in annual fees compounds dramatically over a multi-decade career. A plan charging 1-2% more per year than a low-cost alternative can reduce an ending balance by well over 20% over 30 years, all else equal. Run your own plan’s actual expense ratios through a fee-impact calculator to see the real dollar effect.
Best 403(b) Providers
Not all 403(b) providers are equal. If your employer offers a choice, providers that are generally known for offering low-cost index fund options (e.g., Vanguard, Fidelity, and certain low-cost 403(b) platforms) are typically preferable to providers whose menus lean heavily on variable annuities. Compare your plan’s actual fund lineup and fee disclosure directly — provider reputations shift over time, so don’t rely on a static ranking.
How to Fix a Bad 403(b)
| Situation | Solution |
|---|---|
| Your 403(b) has high-fee annuities | Ask employer to add a low-cost index fund option |
| No low-cost option available | Max Roth IRA first ($7,500 in 2026), then 403(b) |
| Stuck in surrender period | Keep contributing to a new low-cost provider; let old annuity ride out surrender period |
| Employer offers both 403(b) AND 457(b) | Use 457(b) if it has better investment options |
| Leaving your employer | Roll 403(b) into traditional IRA at a low-cost brokerage |
403(b) vs. 457(b) (for Government/Nonprofit Workers)
Some public-sector workers have access to both:
| Feature | 403(b) | 457(b) |
|---|---|---|
| Contribution limit | $24,500 | $24,500 |
| Can contribute to BOTH simultaneously | ✅ Yes ($49,000 total!) | ✅ Yes |
| 10% early withdrawal penalty over 59½ | Yes | No (major advantage) |
| Special catch-up | 15-year rule | 3-year “double limit” before retirement |
| Required for employer match | Sometimes | Sometimes |
| Roth option | Often | Sometimes |
Key advantage: You can max out BOTH a 403(b) and a 457(b) for $49,000/year in tax-advantaged savings (2026). And the 457(b) has no 10% early withdrawal penalty, making it excellent for early retirement.
Teacher-Specific 403(b) Strategy
| Career Stage | Strategy |
|---|---|
| New teacher (years 1-5) | Choose lowest-cost provider; contribute enough for any match; max Roth IRA ($7,500 in 2026) |
| Mid-career (years 5-15) | Increase 403(b) to 15%+ of salary; if bad plan, prioritize Roth IRA + 457(b) |
| Near retirement (years 25+) | Use 15-year catch-up if eligible; age 50+ catch-up; model pension vs. lump sum |
| Retirement | Roll 403(b) to IRA; coordinate with pension and Social Security |
For more on workplace retirement plans, see the Workplace Retirement Plans hub.
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