| Language | Population | Bloc | Family | Cluster | Band | |
|---|---|---|---|---|---|---|
| ● Wichi Lhamtes Guisnay | 41,200 | Mataco-Guaicuru | Mataco | |||
| ● Wichi Lhamtes Vejoz | 27,300 | Mataco-Guaicuru | Mataco | |||
| ● Nivacle | 17,020 | Mataco-Guaicuru | Mataco | |||
| ● Wichi Lhamtes Nocten | 2,900 | Mataco-Guaicuru | Mataco | |||
| ● Chorote, Iyo'wujwa | 2,320 | Mataco-Guaicuru | Mataco | |||
| ● Maka | 1,960 | Mataco-Guaicuru | Mataco | |||
| ● Chorote, Iyojwa'ja | 870 | Mataco-Guaicuru | Mataco |