401 K Limits For 2024 Irs. That's an increase from the 2023 limit of $330,000. 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.

That’s an increase from the 2023 limit of $330,000. Employees 50 or older can contribute up to $30,500 with catch.