Tsp Max Contribution 2025 Over 50. For participants 50 or older or turning 50 in the calendar year, amounts contributed beyond the elective deferral or annual additions limit automatically spill. 2025 contribution limits the government has set the 2025 elective deferral limit for tsp contributions at $23,500.

The $23,500 divided by 26 pay periods equals a $903.80 contribution per pay. The contribution limit for employees participating in the federal government’s thrift savings plan is increasing to $23,500 in 2025, up from $23,000 in 2024.