The Ngái (Vietnamese: Người Ngái) are a Hakka people in Vietnam and other nearby countries of mainland Southeast Asia. They were originally from China. The Ngái people speak Hakka but are classified separately from the Hoa or urban ethnic "Overseas Chinese" by the Vietnamese government. According to official data, the Ngái population was 4841 in 1999 but down only 1035 in 2009.
References
Ngái people Wikipedia(Text) CC BY-SA