USCIS Civics · Question 54 of 128
How many Supreme Court justices are usually needed to decide a case?
Five (5)
In plain English
Five (5) justices are usually needed to decide a case. The Supreme Court has nine justices, and a case is decided by a majority vote. Five is more than half of nine, so five votes usually decide a case. Five Supreme Court justices are usually needed to decide a case.

