2025 Max 401k Contribution Limits. The annual contribution limit for employees who participate in 401(k), 403(b), most 457 plans and the federal government’s thrift savings plan is. For savers looking to max out 401(k) contributions, higher contribution limits will be available for 2025.

These higher contribution limits also apply to those contributing to a solo(k) who are eligible to make both employee and employer contributions. 401(k) contribution limits for 2025 the 401(k) contribution limit for 2025 is $23,500 for employee salary deferrals, and $70,000 for the combined employee and employer.