What Is The Max 401k Contribution For 2025. The 401(k) contribution limit for 2025 is $23,500, up from $23,000 in 2024. Contribution limits for 401 (k), 403 (b), most 457 plans, and the federal government's thrift savings plan will increase by $500 for 2025.

For 2025, employees can now contribute up to $23,500 to a 401(k) or 403(b) plan if they’re under 50, up from $23,000 in 2024. The 401(k) contribution limit for 2025 is $23,500 for employee contributions, and $70,000 for the combined employee and employer contributions.