401k Limits 2024 Catch Up Over 60. In 2025, workers can contribute up to $23,500 to their 401(k)s, up from $23,000 in 2024. They can contribute up to $11,250.
Starting in 2025, the 401 (k) employee deferral limit will jump to $23,500, up from $23,000 in 2024. Employees can now defer up to $23,000 into 401 (k) plans for 2024, with an extra $7,500 for workers age 50 and older.