2024 401k Contribution Limit And Catch Up. However, your contribution cannot exceed 25% of your gross adjusted income. For those with a 401(k), 403(b), or 457 plan through an employer, your new maximum contribution limit will go up to.
However, your contribution cannot exceed 25% of your gross adjusted income. For 2024, the annual limit on employee contributions to a 401(k) is $23,000 for workers under age 50.