2024 Max 401k Contribution 50 Year Olds Calculator. The total employee contribution limit to all 401(k) and 403(b) plans for those under 50 will be going up from $23,000 in 2024 to $23,500 in 2025. The standard 2024 maximum 401k contribution limit for employees is $23,000 (+$500 versus 2023).

This amount is up modestly from 2023, when the individual 401(k) contribution limit was. The 2024 contribution limit for 401(k) plans is $23,000, up from $22,500 in 2023.