Max 2024 401k Contribution With Catch Up. If you are 50 or older, you can defer paying income tax on $30,000 in your 401(k) plan. The base 2024 maximum 401k contribution limit for employees is $23,000 (+$500 versus 2023).
Those 50 and older can contribute an additional. 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.