457 B Contribution Limits 2025. The limitations on 457(b) plan contributions discussed on this page apply to 457(b) plans that. It will go up by $500 to $23,500 in 2025.

Contribution limits for 401(k) and other workplace retirement plans rise for 2025. The elective deferral limit for employees who participate in 401(k), 403(b), most 457 plans, and the federal government’s thrift savings plan increases from $23,000 to $23,500 in 2025.