For the fifth year in a row the University of Southern California has more international students than any school in the United States. The Open Doors report says the 6,881 international students enrolled at USC is tops, and that California leads among states with 75,385.

Test your knowledge: which countries send the most students to the U.S? Answers after the jump

#1 - India
#2 - China
#3 - Korea
#4 - Japan