401k Contribution Limits 2024 Catch Up. This number only includes personal contributions —. That means an active participant 50 or.

The total possible contribution allowed in a 401(k) plan is $34,750 for those aged 60 through 63 in 2025. For those with a 401(k), 403(b), or 457 plan through an employer, your new maximum contribution limit will go up to $23,000 in 2024.