2024 401k Contribution Limits For Simple 401k Max. A simple 401(k) limits employees to $15,500 in contributions for 2023 and $16,000 in 2024. Contributions to 401 (k)s can be automatically deducted from your paycheck.
I estimate it will go up to $16,500 in 2025. For those with a 401(k), 403(b), or 457 plan through an employer, your new maximum contribution limit.