I will mention 7 major ethnic groups which have the largest population in ASEAN (at least according to my knowledge). Which are:
1. Javanese, Mostly found in: Indonesia: Around 108 million people
2. Thai, Mostly found in: Thailand: Around 59 Million people
3 Kinh, Mostly found in: Vietnam: Around 80 million people
4. Sundanese, Mostly found in: Indonesia: Around 40 million People ( yay, me)
5. Visayans, Mostly found in: The Philippines: Around 33 million People
6. Malay, Mostly found in Indonesia, Malaysia, Brunei, Thailand, Singapore: Around 28 million people (yay me again)
7. Chinese (Han, Manchu, Uyghur, Etc) The entire Southeast Asia : Around 33 million
That’s the Major ethnic group of ASEAN based on Population at least to my knowledge those are the major ethnic group
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