2024 401 K Catch Up Contribution Limit. Starting in 2024, employees can contribute up to $23,000 into their 401(k), 403(b), most 457 plans or the thrift savings plan for federal employees, the irs. The 401(k) contribution limit 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 401(k) contribution limit for 2024 is $23,000.