Which of the following countries has the highest percentage of ethnic homogeneity?

Question

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Japan has a relatively high percentage of ethnic homogeneity, with around 98.5% of the population being of Japanese ethnicity. In contrast, China and Mexico have relatively diverse populations, with numerous ethnic groups represented. The United States is also a diverse country, with a long history of immigration and ethnic diversity.

Which of the Following Countries Has the Highest Percentage of Ethnic