Top 50 largest ethnic groups in Southeast Asia, along with estimated population figures:

Here is a list of the 50 largest ethnic groups in Southeast Asia, along with estimated population figures:
1. Javanese (Indonesia) – 100+ million
2. Vietnamese (Kinh) (Vietnam) – 86 million
3. Thai (Thailand) – 60+ million
4. Sundanese (Indonesia) – 40+ million
5. Tagalog (Philippines) – 30+ million
6. Malay (Malaysia, Indonesia, Brunei) – 28+ million
7. Khmer (Cambodia) – 18+ million
8. Burmese (Bamar) (Myanmar) – 32+ million
9. Cebuano (Philippines) – 20+ million
10. Hmong (Vietnam, Laos, Thailand) – 6 million
11. Isan (Thailand) – 22+ million
12. Balinese (Indonesia) – 4.2 million
13. Batak (Indonesia) – 8 million
14. Minangkabau (Indonesia) – 6.5 million
15. Iban (Malaysia, Brunei) – 1 million
16. Bugis (Indonesia) – 6 million
17. Chin (Myanmar) – 2 million
18. Kachin (Myanmar) – 1.2 million
19. Karen (Myanmar, Thailand) – 7 million
20. Lao (Laos, Thailand) – 7.5 million
21. Acehnese (Indonesia) – 5 million
22. Pattani Malay (Thailand) – 1.8 million
23. Toba Batak (Indonesia) – 2 million
24. Manobo (Philippines) – 2 million
25. Shan (Myanmar) – 4-6 million
26. Maguindanao (Philippines) – 1.4 million
27. Sasak (Indonesia) – 2.6 million
28. Toraja (Indonesia) – 1.1 million
29. Rakhine (Myanmar) – 2 million
30. Chinese Indonesians (Indonesia) – 7+ million
31. Yao/Mien (Vietnam, Laos, Thailand) – 3 million
32. Bajau (Malaysia, Philippines, Indonesia) – 1.1 million
33. Bikolano (Philippines) – 5 million
34. Moluccans (Indonesia) – 2.5 million
35. Palauan (Philippines) – 40,000
36. Sulu (Philippines, Malaysia) – 1 million
37. Rohingya (Myanmar) – 1 million
38. Mentawai (Indonesia) – 70,000
39. Rungus (Malaysia) – 100,000
40. Dayak (Indonesia, Malaysia) – 4 million
41. Bicolano (Philippines) – 5 million
42. Banjar (Indonesia) – 4 million
43. Jawi Peranakan (Malaysia) – 800,000
44. Cham (Vietnam, Cambodia) – 500,000
45. Orang Asli (Malaysia) – 200,000
46. Aeta (Philippines) – 50,000
47. Cuyonon (Philippines) – 80,000
48. Moken (Thailand, Myanmar) – 2,000-3,000
49. Sikh Malaysians (Malaysia) – 100,000
50. Filipino Chinese (Philippines) – 2 million
These estimates reflect the size of each ethnic group in their respective countries, based on demographic data from various sources, including census reports and ethnographic studies. Population figures can vary due to migration, integration, and intermarriage.