The migration of Bhutanese people began in the late 20th century, primarily driven by the search for better economic opportunities and educational prospects.

[1] In the 1990s, political and social unrest in Bhutan, particularly involving the Lhotshampa community, led to a significant outflow of refugees.

Many of these refugees eventually resettled in countries like the United States, Canada, and Australia.

[4] In United States, most of the Bhutanese are Lhotshampas, the Nepali speaking Hindu community of Bhutan.

They came to US as refugees following the ethnic cleansing inntheir homeland Bhutan.