2025 401k Maximum Contribution Limits Irs. The new $23,000 limit will. The 401 (k) employee contribution limit for 2025 is $23,000.
In 2025, the irs allows you to contribute up to $23,000 to your 401(k) plan, up from $22,500 in 2023. By exceeding your 401(k) contribution limits for 2025, you’re essentially underpaying your income taxes.