2024 Max 401k Contribution. The limits were $23,000 and $30,000 respectively in 2024. Starting in 2025, the 401 (k) employee deferral limit will jump to $23,500, up from $23,000 in 2024.

$19,500 in 2020 and 2021 and $19,000 in 2019), plus $7,500 in 2023;. Total 401 (k) plan contributions by an employee and an employer cannot exceed $69,500 in 2025.