1 The U.S. Census Bureau definition of Asians refers to a person having origins in any of the original peoples of the Far East, Southeast Asia, or the Indian subcontinent. 
2 The United States Government classified Kalmyks as Asian until 1951, when Kalmyk Americans were reclassified as White Americans.
3 The U.S. Census Bureau considers Afghanistan a South Asian country, but does not classify Afghan Americans as Asian, but as Middle Eastern American.
4 The U.S. Census Bureau considers Mongolians and Uzbeks as Central Asians, but a specific Central Asian American group similar to Middle Eastern American does not yet exist.
5 The U.S. Census Bureau reclassifies anyone identifying as "Tibetan American" as "Chinese American".
6 Bengali Americans
may be classified as Bangladeshi or Indian. Punjabi Americans
may be classified as Indian or Pakistani. Tamil Americans
may be classified as Indian or Sri Lankan.