| Lao | 4225000 | 3 | 29 |
| Khmu | 756440 | 1 | 8 |
| Hmong Daw | 400570 | 1 | 16 |
| Phu Thai | 226870 | 0 | 6 |
| Hmong Njua | 216880 | 2 | 7 |
| Sô | 163000 | 0 | 5 |
| Phuan | 149480 | 0 | 0 |
| Thai | 145410 | 8 | 72 |
| Lü | 130990 | 1 | 6 |
| Vietnamese | 123600 | 9 | 44 |
| Akha | 123010 | 3 | 8 |
| Tai Dón | 104680 | 1 | 3 |
| Western Bru | 86900 | 1 | 1 |
| Laos Sign Language | 73770 | 0 | 0 |
| Northern Katang | 68620 | 1 | 0 |
| Laven | 58540 | 0 | 8 |
| Upper Ta'oih | 49000 | 0 | 15 |
| Kuy | 48350 | 2 | 20 |
| Phunoi | 44920 | 0 | 0 |
| Oy | 44260 | 0 | 8 |
| Southern Katang | 42230 | 1 | 0 |
| Hung | 41590 | 0 | 0 |
| Talieng | 39610 | 0 | 6 |
| Northern Thai | 37920 | 1 | 14 |
| Mal | 36810 | 0 | 2 |
| Iu Mien | 34330 | 6 | 58 |
| Eastern Bru | 34220 | 1 | 12 |
| Phong-Kniang | 31850 | 0 | 0 |
| Phai | 29810 | 1 | 3 |
| Western Katu | 29440 | 0 | 0 |
| Tai Dam | 27530 | 2 | 3 |
| Lave | 26990 | 1 | 8 |
| Alak | 26350 | 0 | 5 |
| Tai Daeng | 26230 | 0 | 2 |
| Kang | 26230 | 0 | 0 |
| Pacoh | 24390 | 1 | 1 |
| Lower Ta'oih | 23100 | 0 | 1 |
| Rmeet | 22400 | 0 | 5 |
| Yue Chinese | 18590 | 12 | 35 |
| Kriang | 18010 | 0 | 3 |
| Nyaw | 17740 | 0 | 1 |
| Tai Nüa | 14630 | 1 | 3 |
| Ong | 14510 | 0 | 0 |
| Laopang | 13310 | 0 | 0 |
| Khuen | 12690 | 0 | 0 |
| Northeastern Thai | 12320 | 0 | 13 |
| Yoy | 11880 | 0 | 4 |
| Jeh | 11880 | 1 | 8 |
| Tareng | 11370 | 0 | 0 |
| Puoc | 10240 | 0 | 1 |
| Nyaheun | 9330 | 0 | 4 |
| Lahu | 8860 | 1 | 27 |
| Khmer | 7400 | 7 | 30 |
| Bouyei | 7360 | 1 | 15 |
| Eastern Nisu | 7260 | 0 | 13 |
| Kim Mun | 7140 | 0 | 3 |
| Halang | 6340 | 1 | 2 |
| Ir | 6220 | 0 | 1 |
| Sapuan | 5450 | 0 | 2 |
| Kaduo | 5060 | 0 | 1 |
| Kiorr | 4840 | 0 | 0 |
| Khua | 4550 | 0 | 0 |
| Bo (Laos) | 4150 | 1 | 0 |
| Saek | 3980 | 0 | 1 |
| Lahu Shi | 3740 | 1 | 1 |
| Tai Do | 3730 | 0 | 0 |
| Samtao | 3540 | 0 | 0 |
| Sou | 3320 | 0 | 2 |
| Sila | 3270 | 0 | 0 |
| Halang Doan | 3230 | 0 | 2 |
| Akeu | 3170 | 1 | 2 |
| Chepya | 2490 | 0 | 0 |
| Bit | 2460 | 0 | 0 |
| Con | 2270 | 0 | 0 |
| Tai Long | 2130 | 0 | 0 |
| Chuanqiandian Cluster Miao | 1860 | 0 | 0 |
| Tai Pao | 1810 | 0 | 0 |
| Nung (Viet Nam) | 1480 | 1 | 6 |
| Lavi | 1260 | 0 | 0 |
| Sedang | 930 | 1 | 1 |
| Kuan | 920 | 0 | 0 |
| Chut | 900 | 0 | 0 |
| Khün | 790 | 0 | 1 |
| Arem | 790 | 0 | 0 |
| Nguôn | 750 | 0 | 1 |
| Hani | 740 | 0 | 16 |
| Western Cham | 630 | 1 | 2 |
| Aheu | 620 | 0 | 1 |
| Maleng | 620 | 0 | 2 |
| Burmese | 610 | 12 | 72 |
| O'du | 600 | 0 | 0 |
| Phana' | 550 | 0 | 1 |
| Tai Loi | 270 | 0 | 1 |
| Tay Khang | 240 | 0 | 0 |
| Mlabri | 80 | 0 | 0 |
| Min Nan Chinese | 0 | 10 | 39 |
| Muong | 0 | 1 | 10 |
| Honi | 0 | 0 | 3 |
| Mandarin Chinese | 0 | 46 | 104 |
