2024 401k Limits And Matching Income. 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. For those with a 401(k), 403(b), or 457 plan through an employer, your new maximum contribution limit.

Personal contribution limits for 401 (k) plans increased in 2024 to $23,000—up $500 from $22,500 in 2023—for people under age 50. Employers can contribute to employee.