401k 2024 Contribution Limit Catch Up 2024. Catch up contribution to 401k 2024. 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
The 401 (k) compensation limit is $345,000. Total contributions cannot exceed 100% of an employee’s annual compensation.