2024 401k Maximum Contribution Limits Fidelity. In 2024, employees and employers can contribute a combined maximum of $69,000 (or $76,500 if the employee is age 50 or older). The 401 (k) contribution limit is the maximum amount an individual can contribute to their 401 (k) retirement account in a calendar year without facing tax penalties.

In 2024, employees and employers can contribute a combined maximum of $69,000 (or $76,500 if the employee is age 50 or older). The new $23,000 limit will also apply to several other retirement plans, including 403(b)s, most 457 plans and.