401k Contribution Limits 2024 Catch Up Total Income. Total contributions to a solo 401 (k) cannot exceed $69,000 or $76,500 for those at least aged 50. For 2023, the contribution limit for a sep ira is the lesser of 25% of the employee’s compensation, or $66,000.

Workers who contribute to a 401 (k), 403 (b), most 457 plans and the federal government’s thrift savings plan can contribute up to $23,000 in 2024, a $500. The 401(k) contribution limit for 2024 is $23,000 for employee contributions, and $69,000 for the combined employee and employer contributions.