Japan has one of the highly integrated higher education systems in Asia. Japans approach to science and technology is highly rated thus their education levels very structured from childhood to primary through secondary to tertiary levels. With 126 million people living in Japan it has a cultural rich environment. Greater Tokyo area is the largest metropolitan area in the world, with over 30 million residents.

A Doctorate of Philosophy, or PhD, may require eight years or more to complete, as well as a dissertation. In most fields, the possession of a PhD qualifies the holder to become a professor of a chosen subject. There are many different programs available.