Averkamp CPA Resource
2026 401(k) Contribution Limits
IRS retirement limits changed for 2026, and business owners should use current limits when modeling payroll and contribution strategy.
For 2026, the 401(k) elective deferral limit is $24,500, the regular age-50 catch-up limit is $8,000, the age 60-63 catch-up limit is $11,250 for eligible plans, and the defined contribution annual additions limit is $72,000.
What This Resource Covers
Use these points to move from a general tax question to the facts, records, forms, and deadlines that matter.
Compensation base
Owner contributions often depend on W-2 wages, self-employment earnings, or eligible plan compensation.
Plan design
SEP IRA, SIMPLE IRA, solo 401(k), profit sharing, Roth, and after-tax features solve different problems.
Employee impact
Eligibility, testing, employer contributions, and notices can affect the owner strategy.
Payroll timing
Deferrals and some elections generally need to happen before payroll or plan deadlines pass.
Key Rules and Review Areas
These are the technical areas that typically drive the answer for this topic.
- 401(k), 403(b), most 457 plans, and the federal Thrift Savings Plan share the $24,500 elective deferral limit for 2026.
- The 2026 IRA contribution limit is $7,500, with a $1,100 catch-up amount for age 50 or older.
- The SIMPLE plan employee contribution limit is $17,000, with a $4,000 regular catch-up limit.
- The annual additions limit for defined contribution plans is $72,000 before catch-up.
- Plan documents and eligibility rules can limit what is actually available.
Forms, IRS Guidance, and Filing Triggers
When a form or IRS publication applies, review the trigger and the supporting records before filing.
| Form or guidance | What it controls | When to review |
|---|---|---|
| IRS 2026 Retirement Plan Limits | Authoritative IRS or government guidance for this topic. | Use when this form or IRS topic appears in the facts. |
| IRS Publication 560 | Retirement plan setup, contribution limits, and plan rules for small business owners. | Business retirement plan contributions, limits, or eligibility need modeling. |
Documents To Gather
Good tax work starts with clean source records. Save these items before the return, election, calculation, or notice response is prepared.
- Payroll deferral reports.
- Employee census and ages.
- Plan document contribution rules.
- Employer contribution calculations.
- Prior-year excess or corrective contribution records.
Quality Checks Before Filing
These checks help prevent avoidable notices, amended returns, duplicate reporting, and unsupported positions.
- Contribution limits are updated for the tax year.
- Eligible compensation is confirmed.
- Employee census and testing needs are reviewed.
- Payroll deposits and plan reports reconcile.
- Roth, pre-tax, and employer amounts are separated.
Practical Planning Workflow
Follow this order so the tax answer is built from the facts rather than from a last-minute filing scramble.
- Update payroll limits for 2026.
- Confirm catch-up eligibility.
- Coordinate employee communications.
- Review employer contribution formulas.
- Reconcile payroll and plan administrator reports.
Common Mistakes To Avoid
These are the issues that most often create tax surprises, penalties, or extra cleanup work.
- Using 2025 limits for 2026 payroll.
- Ignoring age 60-63 catch-up rules.
- Treating distributions as plan compensation.
- Missing plan-document limits.
- Not reconciling payroll to plan deposits.
Frequently Asked Questions
Concise answers for the questions business owners, shareholders, partners, and self-employed taxpayers commonly ask before filing or planning.
What is the employee 401(k) limit for 2026?
The IRS lists the 2026 elective deferral limit at $24,500.
What is the age 50 catch-up limit for 2026?
The regular catch-up limit is $8,000 for eligible participants age 50 or older.
What is the age 60-63 catch-up limit?
IRS guidance lists $11,250 for eligible participants ages 60 through 63 in certain plans.
Does the $72,000 limit include catch-up contributions?
The $72,000 annual additions limit is before catch-up contributions.
Related Averkamp CPA Group Services
These service pages are the most relevant next step when the resource applies to your facts.
Official IRS References
Current IRS and government resources should control when there is a discrepancy or when a filing position needs confirmation.
This resource is general information and should not be treated as tax, legal, payroll, employee benefits, or accounting advice for your specific situation. Consult a qualified professional before acting.