Contribution Limits 401k 2025 After Tax. So people 50 and older can invest $30,500. For 2025, the 401 (k) limit for employee salary deferrals is $23,000, which is above the 2023 401 (k) limit of $22,500.

The 2025 contribution limit for 401 (k) plans is $23,000, up from $22,500 in 2023. For those with a 401(k), 403(b), or 457 plan through an employer, your new maximum contribution limit.