401k 2025 Limits. 401(k) contribution limits for 2025 the 401(k) contribution limit for 2025 is $23,500 for employee salary deferrals, and $70,000 for the combined employee and employer. The contribution limit will increase to $23,500, up from $23,000 in 2024.

In 2025, the irs has forecasted an increase in the 401 (k) elective deferral limit to $24,000, up by $1,000 from the current limit. Knowing changes to retirement planning rules will help employers save money,.