2025 Tsp Contribution Limit. The § 402 (g) elective deferral limit for 2025 is $23,500. In addition to regular tsp contributions,.

Federal employees can contribute more money to their thrift savings plan accounts in 2025. The 2025 contribution limit to the thrift savings plan is increasing to $23,500 per year, an increase of 2.2% over the 2024 annual limit ($23,000), according to an announcement from the internal revenue service.