Korean is spoken by millions of people living in South Korea, North Korea and in several Chinese prefectures. However, slight differences in word usage and grammar exists between the Korean language spoken by South and North Koreans. Learning Korean also involves learning dialectical differences based on tonal and idiomatic dissimilarities. However, these dialects are partially intelligible and generally pose little problem when communicating in either districts.

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.