2024 401k Maximum Contribution Limits 2024. The 401 (k) contribution limits for 2024 are $23,000 for individuals under 50, and $30,500 for those 50 and older. Contributions to 401 (k)s can be automatically deducted from your paycheck.

Some retirement plans have lower. The contribution limit for simple 401 (k)s is $16,000 (up to $19,500 if you’re 50 or older).