Major Dialects:
| Language | Speakers |
|---|---|
| Khmer | 1,400,000 |
| Chinese | 1,174,080 |
| Malay | 1,000,000 |
| Phu Thai | 470,000 |
| Kuay | 400,000 |
| Karen | 316,000 |
| Phuan | 200,000 |
| Mon | 108,000 |
| Shan | 95,000 |
| Lü | 83,000 |
| So | 70,000 |
| Hmong Njua | 60,000 |
| Nyaw | 50,000 |
| Iu Mien | 40,000 |