401k 2024 Limits Catch Up. For 2024, the maximum you can contribute from your paycheck to a 401 (k) is $23,000. 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 announced nov.
Total contributions cannot exceed 100% of an employeeโs annual. The 401 (k) compensation limit is $345,000.