2024 Maximum 401k Contribution Over Age 50. For those with a 401(k), 403(b), or 457 plan through an employer, your new maximum contribution limit. The base 2024 maximum 401k contribution limit for employees is $23,000 (+$500 versus 2023).

For 2024, your personal contributions cannot exceed $23,000 or $30,500 if you are age 50 or older. Savers will be able to contribute as much as $23,000 in 2024 to a 401(k), up from $22,500 in 2023, an increase of $500 from 2023.