| Language | Population | Bloc | Family | Cluster | Band | |
|---|---|---|---|---|---|---|
| ● Tay | 1,939,550 | Tai-Kadai | Tai | Central Tai | ||
| ● Nung | 1,056,140 | Tai-Kadai | Tai | Central Tai | ||
| ● Cao Lan | 233,400 | Tai-Kadai | Tai | Central Tai | ||
| ● E | 43,100 | Tai-Kadai | Tai | Central Tai | ||
| ● Tsun-Lao | 13,200 | Tai-Kadai | Tai | Central Tai |