Max 401k Catch Up Contribution For 2024. For 2025, the 401 (k) limit for employee salary deferrals is $23,500, which is above the 2024 401 (k) limit of $23,000. All new limits will go into effect jan.

That percentage increase is similar to the jump in 2024. The limit for overall contributions—including the employer match—is 100% of your compensation or $69,000,.