401(k) vs Roth IRA: Which Should You Fund First?

What Is a 401(k)?

A 401(k) is an employer-sponsored retirement plan that lets you contribute a portion of your paycheck before taxes. Your employer may match a percentage of your contributions — typically 3-6% of your salary. That match is essentially free money and one of the 401(k)’s biggest advantages.

The 2026 employee contribution limit is $23,500, with an additional $7,500 catch-up for those 50+. Combined with employer contributions, the total can reach $70,000. Money grows tax-deferred until withdrawal, when it’s taxed as ordinary income.

What Is a Roth IRA?

A Roth IRA is an individual retirement account you open yourself at any brokerage. You contribute after-tax dollars — no deduction upfront — but qualified withdrawals in retirement are 100% tax-free. The 2026 limit is $7,000 ($8,000 if 50+).

Unlike a 401(k), you choose from the entire universe of investments: individual stocks, ETFs, bonds, mutual funds, REITs. You also have no required minimum distributions and can access your contributions (not earnings) anytime without penalty.

Key Differences

Contribution Limits

The 401(k)’s $23,500 limit dwarfs the Roth IRA’s $7,000. If you’re trying to save aggressively for retirement, the 401(k) lets you shelter significantly more money from taxes each year. For maximum savings, use both accounts.

Employer Match

This is the 401(k)’s killer feature. If your employer matches 50% of contributions up to 6% of your salary, and you earn $80,000, that’s $2,400 in free money annually. According to Vanguard’s How America Saves 2025 report, the average employer match is 4.5% of salary. Always capture the full match before directing money elsewhere.

Investment Flexibility

Most 401(k) plans offer 15-30 fund options chosen by the employer. Some plans have excellent low-cost index funds; others are loaded with high-fee actively managed funds. A Roth IRA at a brokerage like Fidelity or Schwab gives you access to thousands of investments with no restrictions.

Tax Treatment in Retirement

Traditional 401(k) withdrawals are taxed as ordinary income. Roth IRA withdrawals are tax-free. If you accumulate $1 million in each account, the Roth million is worth considerably more in after-tax spending power. Over 30 years of retirement, the tax savings from a Roth can exceed $200,000.

When to Prioritize the 401(k)

• Your employer offers a match. Always get the full match — it’s an instant 50-100% return.
• You’re in a high tax bracket. The pre-tax deduction reduces your current tax bill meaningfully.
• You want to save more than $7,000/year. The higher limit allows more aggressive retirement saving.
• You exceed Roth IRA income limits. High earners locked out of Roth can still use the 401(k).

When to Prioritize the Roth IRA

• You’ve already captured the full 401(k) match. After the match, the Roth’s tax-free growth is hard to beat.
• You’re young and in a low bracket. Paying low taxes now for tax-free growth over 30-40 years is a great trade.
• Your 401(k) has poor fund options. If the plan charges 0.8%+ expense ratios, the Roth’s freedom to pick low-cost ETFs wins.
• You want withdrawal flexibility. Roth contributions come out anytime, making it a secondary emergency fund.

The Optimal Funding Order

Most financial advisors recommend this sequence:

1. 401(k) up to employer match — captures free money
2. Max out Roth IRA ($7,000) — tax-free growth + flexibility
3. Back to 401(k) up to $23,500 — more tax-sheltered space
4. HSA if eligible — triple tax advantage
5. Taxable brokerage — no limits, but no tax shelter

According to a 2025 Charles Schwab survey, workers who follow this order accumulate 15-25% more after-tax wealth over a 30-year career compared to those who contribute only to a 401(k).

Which Is Better? Use Both

The 401(k) and Roth IRA aren’t competitors — they’re teammates. The 401(k) gives you higher limits and an employer match. The Roth IRA gives you tax-free income and flexibility. Together, they create tax diversification that gives you options in retirement: draw from your 401(k) up to a certain bracket, then pull from the Roth for additional spending tax-free.

Frequently Asked Questions

Should I contribute to my 401(k) or Roth IRA first?

Contribute to your 401(k) up to the employer match first — that’s free money you can’t get elsewhere. Then max out your Roth IRA for tax-free growth. Then go back and contribute more to your 401(k).

What is the 401(k) contribution limit for 2026?

The employee limit is $23,500. Workers 50+ can add a $7,500 catch-up contribution for a total of $31,000. The combined employee + employer limit is $70,000.

Can I have both a 401(k) and a Roth IRA?

Yes. They have separate contribution limits. You can contribute $23,500 to your 401(k) and $7,000 to your Roth IRA in the same year — $30,500 total in tax-advantaged savings.

What happens to my 401(k) if I leave my job?

You can leave it in the old plan, roll it to your new employer’s 401(k), roll it to a Traditional IRA, or convert it to a Roth IRA (triggers taxes). Never cash it out — the 10% penalty plus taxes can eat 30-40% of the balance.

Is a Roth IRA better than a 401(k) for young workers?

Not if the 401(k) has an employer match. The match is an instant return no Roth can replicate. The best move for young workers: get the full 401(k) match, then fund the Roth IRA for tax-free growth during your longest investment horizon.