Current 401k Contribution Limits 2024. Employees may not put more than the allowed amount into their 401 (k) in any given year. For 2024, employees under 50 years old can contribute a combined total of $23,000 to one or more 401(k) plans.
In 2024, the contribution limit for 401 (k) accounts is increasing by $500 to $23,000. An employer with 26 to 100 employees would be permitted to provide these higher deferral limits, but only if the employer either provides a 4% matching contribution.