It is equivalent to two books in China. Okinawa University ranks 27 1 among the national universities in the global university network (4ICU). Compared with domestic universities, the top 200 universities are equivalent to an ordinary university in China. 20 1 -400 University: equivalent to two universities in China. Okinawa University, founded in 196 1, 1974, is one of the southernmost famous comprehensive private universities in Japan.