South Korea is one of the most densely populated countries both in Asia and in the world. The population is over forty million people, roughly twice that of North Korea. Over ten million people—nearly a quarter of the total population—live in Seoul, the capital and South Korea's largest city.
The Korean people are one of the world's most ethnically homogeneous nationalities. This means that almost all the people in the country are of the same ethnicity. They are almost exclusively descendents of the Han, a people believed to be related to the Mongols of Central Asia. There are no numerically significant ethnic minorities in South Korea.
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