Maximum 401k Contribution 2024. Employees can contribute up to $23,500 to their 401(k) plan for 2025 vs. Savers will be able to contribute as much as $23,500 to a 401(k) in 2025, up from $23,000 in 2024.
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. In 2025, the irs allows you to contribute up to $23,500 to your 401(k) plan, up from $23,000 in 2024.