2024 401k Contribution Limits Chart. Starting in 2024, employees can contribute up to $23,000 into their 401 (k), 403 (b), most 457 plans or the thrift. The 2024 contribution limit for 401 (k) plans is $23,000.
Maximum elective deferral for employees: Starting in 2024, employees can contribute up to $23,000 into their 401 (k), 403 (b), most 457 plans or the thrift.