Maximum 401k Contribution 2024 Over 50. Contribution limits for simple 401(k)s in 2024 is $16,000 (from $15,500 in 2023). Effective january 1, 2024, employers are permitted to make additional contributions to each participant in a simple plan in a uniform manner, provided that.
You can contribute to more than one. In 2023 and 2024, this limit is $7,500.