Based on the provided information regarding the Korean diaspora, the United States has the largest Korean population among the countries listed.
According to the reference from the Korean diaspora Wikipedia page, which details the total population of Koreans in various countries, the numbers are as follows:
| Country | Total Population |
|---|---|
| United States | 2,615,419 |
| China | 2,109,727 |
| Japan | 802,118 |
| Canada | 247,362 |
This data clearly shows that the United States hosts the largest population of Koreans compared to China, Japan, and Canada, based on this specific reference.
