| No. Speakers | # | Language | % Correct |
|---|---|---|---|
| 955 mill. | M | Mandarin | 95%
|
| 295 mill. | A | Arabic | 94%
|
| 365 mill. | E | English | 94%
|
| 405 mill. | S | Spanish | 93%
|
| 95 mill. | G | German | 92%
|
| 155 mill. | R | Russian | 91%
|
| 75 mill. | F | French | 90%
|
| 215 mill. | P | Portuguese | 89%
|
| 310 mill. | H | Hindi | 87%
|
| 125 mill. | J | Japanese | 85%
|
| 76 mill. | V | Vietnamese | 78%
|
| 59 mill. | I | Italian | 77%
|
| 205 mill. | B | Bengali | 76%
|
| 59 mill. | Y | Yue | 71%
|
| 21 mill. | D | Dutch | 69%
|
| 66 mill. | U | Urdu | 68%
|
| 76 mill. | K | Korean | 65%
|
| 80 mill. | W | Wu | 62%
|
| 8.9 mill. | Q | Quechua | 52%
|
| 30 mill. | L | Lao | 51%
|
| 76 mill. | T | Telugu | 39%
|
| 10.9 / 16 mill. | N | Northern Min / Nepali | 35%
|
| 33 mill. | O | Odia | 23%
|
| 38 mill. | X | Xiang | 23%
|
| 16 mill. | Z | Zhuang | 15%
|
| 21 mill. | C | Cebuano | 10%
|