🇺🇸 US · Retirement · 2026

401k Contribution Limits 2026: IRS Limits, Catch-Up & Max

📅 June 13, 2026 ⏱ 9 min read 🇺🇸 IRS 2026
The IRS raised the 401k employee contribution limit to $23,500 in 2026 — up $500 from 2025. With employer matching and catch-up contributions, the total you can shelter from taxes can reach $70,000 (or $81,250 with the new SECURE 2.0 super catch-up for ages 60–63). Here's every limit, who it applies to, and how to max it out strategically.

2026 401k Contribution Limits — Quick Reference

Employee Limit
$23,500
All employees under 50. Up $500 from $23,000 in 2025.
Catch-Up (Age 50+)
$31,000
Extra $7,500 catch-up on top of the $23,500 base limit.
Super Catch-Up (Age 60–63)
$34,750
SECURE 2.0 Act: $11,250 catch-up instead of $7,500.
Total Limit (§415)
$70,000
Employee + employer contributions combined. Up from $69,000.

Full 2026 401k Limit Table

Contribution Type2026 Limit2025 LimitChange
Employee elective deferrals$23,500$23,000+$500
Catch-up (age 50–59, 64+)$7,500$7,500
Super catch-up (age 60–63) — SECURE 2.0$11,250$11,250
Total employee limit (50+)$31,000$30,500+$500
Total employee limit (60–63)$34,750$34,250+$500
§415 combined limit (under 50)$70,000$69,000+$1,000
§415 combined limit (50+)$77,500$76,500+$1,000
§415 combined limit (60–63)$81,250$80,250+$1,000
Compensation limit (§401(a)(17))$345,000$345,000
Highly Compensated Employee threshold$160,000$155,000+$5,000
💡 SECURE 2.0 Super Catch-Up — Ages 60–63 Only

The SECURE 2.0 Act of 2022 introduced a higher catch-up limit specifically for workers aged 60, 61, 62, or 63. Instead of $7,500, they can contribute $11,250 extra in 2026 — for a total of $34,750. At age 64 this drops back to the standard $7,500 catch-up. Plan your contributions carefully around this window if you're approaching this age range.

How Employer Matching Works With the Limits

Employer contributions — matching or profit-sharing — count toward the §415 total limit ($70,000) but not the employee elective deferral limit ($23,500). This means your employer's match never reduces how much you personally can contribute.

ScenarioYour ContributionEmployer MatchTotal§415 Remaining
Max employee only (under 50)$23,500$0$23,500$46,500 for employer
Employee + 4% match on $100K salary$23,500$4,000$27,500$42,500
Employee + 6% match on $150K salary$23,500$9,000$32,500$37,500
Max employee + max employer match$23,500$46,500$70,000$0
⚠️ Always Contribute Enough to Get the Full Match

If your employer matches 100% of contributions up to 4% of salary, and you earn $80,000, that's a free $3,200 per year. Not contributing enough to capture the full match is leaving guaranteed 100% return on the table. This should be your first financial priority — before paying off low-interest debt, before investing in a taxable account.

Traditional 401k vs Roth 401k — Which to Choose in 2026?

Most employers now offer both a traditional and Roth 401k option. The contribution limits are identical — $23,500 total across both. The difference is when you pay tax.

Traditional 401kRoth 401k
Tax on contributionPre-tax — reduces taxable income nowAfter-tax — no deduction
Tax on withdrawalsTaxed as ordinary incomeTax-free (if rules met)
2026 income limitNoneNone (unlike Roth IRA)
Required Minimum DistributionsYes, starting age 73No RMDs (from 2024 onwards)
Best forHigh earners expecting lower tax bracket in retirementYounger workers, those expecting higher future rates
📌 The Split Strategy

Many financial planners recommend splitting contributions between traditional and Roth — e.g., $12,000 traditional + $11,500 Roth — to diversify your tax exposure in retirement. You won't know what tax rates will be in 20–30 years, so having both pre-tax and after-tax buckets gives you flexibility to manage your tax bill in any environment.

Solo 401k Limits 2026 (Self-Employed)

If you're self-employed — freelancer, sole proprietor, or single-member LLC — a Solo 401k lets you contribute as both employer and employee, significantly increasing what you can shelter.

Solo 401k Max = Employee Contribution + 25% of Net Self-Employment Income
Combined limit cannot exceed $70,000 ($77,500 if age 50+) in 2026

Solo 401k Example — $120,000 Net Self-Employment Income

Employee contribution (elective deferral): $23,500
Employer contribution (25% × $120,000): $30,000
Total Solo 401k contribution: $53,500
§415 limit: $70,000 — still $16,500 under the cap
Net Self-Emp IncomeEmployeeEmployer (25%)Total
$60,000$23,500$15,000$38,500
$100,000$23,500$25,000$48,500
$150,000$23,500$37,500$61,000
$186,000+$23,500$46,500$70,000 (max)

What Happens If You Over-Contribute?

Exceeding the $23,500 elective deferral limit — most commonly when changing jobs and contributing to two plans in the same year — has serious tax consequences:

⚠️ Two-Job Over-Contribution Risk

If you change jobs mid-year, both plan administrators are unaware of each other's contributions. You could inadvertently contribute $23,500 to Plan A and another $10,000 to Plan B — a $10,000 excess. Track your year-to-date contributions carefully when switching employers. The IRS does not automatically flag this for you.

How Much Should You Actually Contribute?

The answer depends on your situation, but a practical priority order:

  1. Contribute enough to get 100% of the employer match — this is a guaranteed 50–100% immediate return
  2. Max your HSA if eligible ($4,300 single / $8,550 family in 2026) — triple tax advantage beats even a Roth IRA
  3. Max your IRA ($7,000 Roth or Traditional in 2026)
  4. Max your 401k — contribute the full $23,500 if cash flow allows
  5. Taxable brokerage account — once all tax-advantaged space is used

Project Your 401k Balance at Retirement

Enter your salary, contribution %, employer match, and years to retirement — see your projected balance with compound growth.

Open 401k Calculator →

401k Contribution Limits — Frequently Asked Questions

What is the 401k contribution limit for 2026?

The 2026 employee 401k contribution limit is $23,500. If you are age 50 or older, you can make an additional $7,500 catch-up contribution for a total of $31,000. Workers aged 60–63 get a higher catch-up of $11,250 under SECURE 2.0, for a total of $34,750. The combined employee + employer limit is $70,000.

Did 401k limits increase from 2025 to 2026?

Yes. The employee elective deferral limit increased from $23,000 in 2025 to $23,500 in 2026. The total §415 limit increased from $69,000 to $70,000. The catch-up limit for age 50+ held at $7,500.

What is the catch-up contribution limit for 2026?

Workers age 50 and older can contribute an extra $7,500 in 2026, for a total of $31,000. Under the SECURE 2.0 Act, workers aged exactly 60–63 get a higher catch-up limit of $11,250, bringing their total to $34,750. At age 64 it drops back to $7,500.

Can I contribute to both a 401k and an IRA in 2026?

Yes — the 401k limit ($23,500) and IRA limit ($7,000) are completely separate. You can max both in the same year. Your ability to deduct a Traditional IRA contribution phases out at higher incomes if you participate in a workplace plan — but Roth IRA contributions have their own separate income limits.

What happens if I over-contribute to my 401k?

Over-contributions must be withdrawn by April 15 of the following year, along with any earnings. If not corrected, the excess is taxed twice — once when contributed and again when withdrawn. This most commonly happens when changing jobs mid-year and contributing to two plans. Contact your plan administrator immediately.