401k Contribution Limits 2025 Employer Match Limit. Starting in 2025, employees can contribute up to $23,500 into their 401 (k) and 403 (b) plans, most 457 plans, and the thrift savings plan for federal employees, the irs announced nov. Discover limits, eligibility, and strategies for success.

Those 50 and over can contribute an additional $3,500 for maximum. The details of how exactly it works will depend on the way your employer sets up their matching program and.