From the Pew Research Center:
The U.S. Asian population is a diverse one. A record 20 million Asian Americans trace their roots to more than 20 countries in East and Southeast Asia and the Indian subcontinent, each with unique histories, cultures, languages and other characteristics. The 19 largest origin groups together account for 94% of the total Asian population in the U.S.
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Bangladeshis
Bhutanese
Burmese
Cambodians
Chinese
Filipinos
Hmong
Indians
Indonesians
Japanese
Koreans
Laotians
Malaysians
Mongolians
Nepalese
Pakistanis
Sri Lankans
Thai
Vietnamese
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