2024 401k Maximum Contribution. The 401 (k) employee contribution limit for 2024 is $23,000. Employees can invest more money into 401(k) plans in 2024, with contribution limits increasing from 2023’s $22,500 to $23,000 for 2024.

The contribution limit on individual retirement accounts will increase by $500 in 2024, from $6,500 to $7,000. Those 50 and older will be able to.