2024 401k Contribution Limits 2024 Catch Up. The 401 (k) contribution limit for 2024 is $23,000. Learn about the 2024 contribution limits for different retirement savings plans including 401k, 457, 403b, 401a and iras.

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 income thresholds to be eligible.