2024 401k Contribution Limits 2024 Over 55. For 2025, the 401(k) limit for employee salary deferrals is $23,500, which is above the 2024 401(k) limit of $23,000. For those with a 401(k), 403(b), or 457 plan through an employer, your new maximum contribution limit will go up to.

The contribution limit will increase from $22,500 in 2023 to $23,000. The employee contribution limit and the combined employee and employer contribution limit.