Answer:
In terms of ethnicity, Korea is one of the most ethnically homogenous nations in the world. That means that almost everybody belongs to the same ethnic category. Over 99% of South Koreans identify as ethnically Korean. The largest group of ethnic minorities in South Korea, the Chinese, only number around 20,000 people
Explanation:
What are the Major Ethnic Groups of South Korea? Well, 96% of the South Korean population is comprised by ethnic Koreans, while the largest groups of immigrants are from China and the United States.
(im korean so you can ask me more if you want)