2024 401k Max Contribution Rates. For those with a 401(k), 403(b), or 457 plan through an employer, your new maximum contribution limit. 401(k) contribution limit for 2024.

The 401 (k) contribution limit for 2024 is $23,000. See the limits for traditional 401(k)s, roth 401(k)s, employer contributions, and profit sharing.