401(k) vs IRA: Which Retirement Account Should You Prioritize?
How a 401(k) Works
A 401(k) is offered through your employer. You contribute pre-tax dollars (Traditional 401k) or after-tax dollars (Roth 401k) directly from your paycheck. Many employers match a portion of your contributions — typically 50–100% of the first 3–6% of salary. That match is free money with an instant 50–100% return.
The 2025 contribution limit is $23,500 ($31,000 if 50+). Investment options are limited to the fund menu your employer selects, which may include index funds, target-date funds, and company stock.
How an IRA Works
An IRA is an account you open independently at any brokerage. You choose between a Traditional IRA (tax-deductible contributions, taxed withdrawals) or a Roth IRA (after-tax contributions, tax-free withdrawals). See our Roth vs Traditional IRA comparison for that decision.
The 2025 contribution limit is $7,000 ($8,000 if 50+) — much lower than a 401(k). But you get total control over your investments: individual stocks, ETFs, bonds, REITs, and more. You also choose your brokerage, controlling fees and fund quality.
401(k) vs IRA: Side-by-Side Comparison
| Feature | 401(k) | IRA |
|---|---|---|
| 2025 Contribution Limit | $23,500 ($31,000 if 50+) | $7,000 ($8,000 if 50+) |
| Employer Match | Yes (if offered) | No |
| Tax Options | Traditional or Roth | Traditional or Roth |
| Investment Choices | Limited to employer plan menu | Unlimited — stocks, ETFs, bonds, etc. |
| Fees | Varies by plan (some are expensive) | You control — can be very low |
| Income Limits | None | Roth IRA has income limits; Traditional deduction may phase out |
| Loan Option | Some plans allow 401(k) loans | No loans allowed |
| RMDs | Age 73 (Roth 401k now exempt) | Age 73 for Traditional; none for Roth IRA |
| Creditor Protection | Strong (federal ERISA protection) | Varies by state |
The Optimal Contribution Strategy
The widely recommended order is: (1) contribute enough to your 401(k) to capture the full employer match, (2) max out your Roth IRA, (3) go back and max out the 401(k), (4) if you still have money to invest, use a taxable brokerage account.
This sequence maximizes free money (the match), then prioritizes the account with the best investment flexibility and tax-free growth (Roth IRA), then fills the higher-limit 401(k). Adjust if your 401(k) has exceptionally good or bad fund options.
Investment Quality Matters
A 401(k) with high-fee funds (1%+ expense ratios) can erode returns significantly. If your employer plan offers only expensive actively managed funds, you might contribute just enough for the match, then prioritize your IRA where you can buy low-cost index funds with expense ratios under 0.10%.
Conversely, some large-company 401(k) plans offer institutional-class funds with expense ratios even lower than retail index funds. In that case, maximizing the 401(k) first makes more sense.
Tax Diversification Strategy
Using both accounts lets you build tax diversification: pre-tax money in a Traditional 401(k) and after-tax money in a Roth IRA. This gives you flexibility in retirement to manage your taxable income by choosing which account to draw from each year — a powerful strategy for minimizing lifetime taxes.
Key Takeaways
- The 401(k) offers a higher contribution limit ($23,500 vs $7,000) and potential employer matching.
- IRAs give you full control over investments and typically lower fees.
- Optimal strategy: get the full 401(k) match → max Roth IRA → max 401(k) → taxable brokerage.
- Use both accounts for tax diversification — pre-tax 401(k) plus Roth IRA.
- Check your 401(k) fund fees. High-cost plans may make the IRA a better priority after capturing the match.
Frequently Asked Questions
Can I have both a 401(k) and an IRA?
Yes. You can contribute to both in the same year, up to each account’s limit. The combined maximum for 2025 is $30,500 ($23,500 + $7,000), or $39,000 with catch-up contributions. Having a 401(k) may limit your Traditional IRA deduction at higher incomes, but Roth IRA eligibility is separate.
What happens to my 401(k) when I leave my job?
You have several options: leave it in the old plan, roll it over to your new employer’s 401(k), roll it into an IRA (often the best choice for more investment options and lower fees), or cash it out (avoid this — you’ll pay taxes plus a 10% penalty if under 59½).
Is an IRA better than a 401(k) without employer match?
Often yes, because the IRA gives you full control over investments and fees. Without a match, the 401(k)’s main advantage is its higher contribution limit. If you can save more than $7,000/year, you’ll still want the 401(k) for the extra $16,500 in tax-advantaged space.
Should I choose a Roth 401(k) or Traditional 401(k)?
The same logic as Roth vs Traditional IRA applies. If you expect higher taxes in retirement, choose Roth. If you’re at peak earnings and expect lower retirement income, choose Traditional. Many people split contributions between both for tax diversification.
Can I contribute the max to both a 401(k) and an IRA?
Yes — the limits are independent. You can contribute $23,500 to your 401(k) and $7,000 to your IRA in the same year. However, at higher incomes, your Traditional IRA contribution may not be tax-deductible if you have a workplace plan, and Roth IRA eligibility phases out above certain income thresholds.