2024 Max 401k Contribution Employer Contribution Limit. For those with a 401 (k), 403 (b), or 457 plan through an employer, your new maximum contribution limit will go up to $23,000 in 2024. Workers who contribute to a 401 (k), 403 (b), most 457 plans and the federal government’s thrift savings plan can contribute up.

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. If you are age 50 or older, you can make additional.