What Is The Maximum 401k Contribution 2024 Over 50. The total employee contribution limit to all 401(k) and 403(b) plans for those under 50 will be going up from $23,000 in 2024 to $23,500 in 2025. So if you're under 50 and you contribute the maximum $23,000 to your 401(k) in 2024, your employer is able to contribute a maximum of $46,000 on your behalf.

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. Those 50 and older can contribute.