401k Limits 2024 50 Percent. 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. Use our calculator to estimate your future balance.
Employer contributions are also limited to 25% of an employee’s salary. The 2025 401(k) contribution limit increased to $23,500, up from $23,000 in 2024.