2024 401k Contribution Limits 2025. For 2025, eligible taxpayers can contribute $23,500 to their 401 (k) account, up from $23,000 in 2024. In 2024, the maximum you can contribute is $23,000 as the employee plus an additional 25% of compensation as the employer.
Workers ages 60 to 63 have. The contribution limit for simple 401k and simple ira plans is $16,000 in 2024.