401k Limits 2025 Over 50 Catch Up. In 2025, solo 401k participants aged 50 and older can continue to contribute an. Workers aged 50 and older can make a.

The 401(k) contribution limit for 2023 is $22,500 for employee salary deferrals. In 2025, the 401 (k) contribution limit for participants is increasing to $23,500,.