401k Contribution Limits 2025. 401k and retirement plan limits for the tax year 2025. Contribution limits for 401(k), 403(b), most 457 plans, and the federal government's thrift savings plan will increase by $500 for 2025.
401k and retirement plan limits for the tax year 2025. The 401(k) contribution limit for 2025 is $23,500, up from $23,000 in 2024.