Limit On 401k Contributions 2024 Over 55. The 2024 401(k) individual contribution limit is $23,000, up from $22,500 in 2023. Of note, the 2024 pretax limit that applies to elective deferrals to irc section 401 (k), 403 (b) and 457 (b) plans increased from $22,500 to $23,000.

The dollar limitation for catch. Workers who contribute to a 401(k), 403(b), most 457 plans and the federal government’s thrift savings plan can contribute up to $23,000 in 2024, a $500 increase.