| Speakers | Language | % Correct |
|---|---|---|
| 10 mil | Quechua | 92%
|
| 170K | Navajo | 88%
|
| 6,5 mil | Guaraní | 84%
|
| 1,6 mil | Nahuatl | 76%
|
| 2,5 mil | Aymara | 75%
|
| 254K | Ch’ol Maya | 71%
|
| 589K | Tzetzal Maya | 71%
|
| 550K | Tzotzil Maya | 71%
|
| 774K | Yucatec Maya | 71%
|
| 200K | Mapudungun | 48%
|
| 526K | Mixtec | 41%
|
| 490K | Zapotec | 36%
|
| 298K | Otomí | 19%
|
| 168K | Huastec | 17%
|
| 420K | Wayuu | 13%
|
| 256K | Totonac | 12%
|
| 237K | Mazatec | 8%
|
| 153K | Mazahua | 7%
|
| 147K | Tlapanec | 5%
|
| 225K | Ngäbere | 4%
|