Major Dialects:
| Language | Speakers |
|---|---|
| Tày | 1,630,000 |
| Muong | 1,140,000 |
| Hmong Daw | 1,068,000 |
| Khmer | 1,060,000 |
| Nung | 969,000 |
| Tai Dam | 699,000 |
| Chinese | 500,000 |
| Iu Mien | 350,000 |
| Zhuang | 340,000 |
| Tai Dón | 280,000 |
| Jarai | 242,000 |
| Phu Thai | 209,000 |
| Rade | 177,000 |
| Kim Mun | 170,000 |
| Cao Lan | 169,000 |
| Koho | 166,000 |
| Bahnar | 158,000 |