2024 401k Limits Catch Up. If you are 50 years old or older, you can also contribute up to $7,500 in. Employees can invest more money into 401(k) plans in 2024, with contribution limits increasing from 2023’s $22,500 to $23,000 for 2024.

Those 50 and older can contribute an additional $7,500. In 2024, employers and employees together can contribute up to $69,000, up from a limit of $66,000 in 2023.