Retirement Account Comparison 2026
Side-by-side comparison of every major retirement account type — contribution limits, tax treatment, RMD rules, and who each is best for.
| Feature | 401(k) Traditional | Roth 401(k) | Traditional IRA | Roth IRA | SEP IRA | SIMPLE IRA | HSA | 457(b) |
|---|---|---|---|---|---|---|---|---|
| 2026 Contribution Limit | $23,500 / $31,000 (50+) / $34,750 (60–63) | $23,500 / $31,000 (50+) / $34,750 (60–63) | $7,000 / $8,000 (50+) | $7,000 / $8,000 (50+) | Up to 25% of compensation or $70,000 (whichever is less) | $16,500 / $20,000 (50+) | $4,300 (individual) / $8,550 (family) + $1,000 catch-up (55+) | $23,500 / $31,000 (50+) |
| Tax Treatment Now | Pre-tax (reduces taxable income) | After-tax (no deduction) | Pre-tax if you qualify for deduction (income limits if covered by workplace plan) | After-tax (no deduction) | Pre-tax | Pre-tax | Pre-tax contributions | Pre-tax |
| Tax Treatment in Retirement | Withdrawals taxed as ordinary income | Qualified withdrawals completely tax-free | Withdrawals taxed as ordinary income | Qualified withdrawals completely tax-free | Withdrawals taxed as ordinary income | Withdrawals taxed as ordinary income | Tax-free for medical expenses; ordinary income tax for non-medical after 65 | Withdrawals taxed as ordinary income |
| Required Minimum Distributions | Yes, starting at age 73 | No RMDs starting 2024 (SECURE 2.0) | Yes, starting at age 73 | None during your lifetime | Yes, starting at age 73 | Yes, starting at age 73 | None | Yes, starting at age 73 |
| Early Withdrawal | 10% penalty + taxes before 59½ (exceptions apply) | 10% penalty on earnings before 59½; contributions withdrawable anytime | 10% penalty + taxes before 59½ (exceptions apply) | Contributions withdrawable anytime; 10% penalty on earnings before 59½ | 10% penalty + taxes before 59½ | 25% penalty in first 2 years; 10% after that | 20% penalty + taxes for non-medical before 65 | No 10% penalty — can withdraw upon separation from service at any age |
| Income Limits | None | None | Deduction phases out: $79k–$89k (single) / $126k–$146k (married, covered by plan) | Phase-out: $150k–$165k (single) / $236k–$246k (married). Use backdoor Roth if over limit. | None | None (employer must have ≤100 employees) | Must have qualifying high-deductible health plan (HDHP) | None (government/nonprofit employees only) |
| Employer Match | Yes — always contribute enough to get full match | Yes | No | No | Employer only (self-employed: you are the employer) | Required: either 2% non-elective or 3% matching | Sometimes | Sometimes |
| Best For | High earners who expect lower taxes in retirement | Those who expect higher taxes in retirement or want tax-free income | Those without workplace plan or who want additional pre-tax savings | Young earners, those expecting higher future taxes, or wanting flexible access | Self-employed individuals and small business owners with high income | Small business employees; higher limit than IRA with mandatory employer match | Triple tax advantage — best account available if you have an HDHP | Government/nonprofit employees — unique benefit of no early withdrawal penalty |
💡 Contribution Priority Order
- 401(k) up to employer match — free money, always take it first
- Max out HSA if you have an HDHP — triple tax advantage
- Max out Roth IRA if eligible (or backdoor Roth if over income limit)
- Max out 401(k) to the full limit
- Taxable brokerage account for additional savings
See how maximizing these accounts affects your retirement timeline