Roth Limits 2024 Tsp Contribution. The internal revenue service has announced the thrift savings plan (tsp) elective deferral limit for 2024 will increase to $23,000 per year.  — the roth ira contribution limit for 2024 is $7,000 for those under 50, and $8,000 for those 50 and older.

Your initial tsp contribution amount depends on your retirement system and when you enrolled. If you have a civilian and a uniformed services tsp account, use the total amount.