Max 401k Catch Up Contribution 2024 Date. For 2024, the 401 (k) limit for employee salary deferrals is $23,000, which is above the 2023 401 (k) limit of $22,500. The limit for overall contributions—including the employer match—is 100%.

Those 50 and older can contribute an additional. The limit for overall contributions—including the employer match—is 100%.