2025 401k Maximum Contribution Limit With Catch Up. The limit on contributions by employees who participate in 401(k), 403(b), most 457 plans, and. In particular, participants can now elect to defer up to $23,500 to 401(k), 403(b), and 457(b).
The 401(k) contribution limit for 2025 is $23,500 for employee salary deferrals,. Employee contribution limits go up $500 more in 2025, to $23,500 from.