401k Max Contribution Limit 2024. The 2024 401(k) individual contribution limit is $23,000, up from $22,500 in 2023. 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.

Those 50 and older can contribute an additional $7,500. The average balance in 401 (k) accounts last year increased.