401k 2024 Tax Year Limit 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. The 2024 401(k) contribution limit is $500 higher than this year’s $22,500 max, which reflected a major increase from the 2022.
For tax year 2024, employees can contribute up to $23,000. The overall 401 (k) limits for employee and employer.