| Language Branch | # | Language | % Correct |
|---|---|---|---|
| Germanic | 360 mil | English | 98%
|
| Romance | 74 mil | French | 98%
|
| Romance | 405 mil | Spanish | 98%
|
| Germanic | 89 mil | German | 97%
|
| Slavic | 155 mil | Russian | 97%
|
| Romance | 60 mil | Italian | 96%
|
| Romance | 215 mil | Portuguese | 94%
|
| Germanic | 21 mil | Dutch | 89%
|
| Romance | 24 mil | Romanian | 89%
|
| Celtic | 2 mil | Irish | 88%
|
| Slavic | 40 mil | Polish | 87%
|
| Indo-Iranian | 310 mil | Hindi | 83%
|
| Slavic | 19 mil | Serbo-Croatian | 83%
|
| Germanic | 9 mil | Swedish | 83%
|
| Slavic | 30 mil | Ukrainian | 82%
|
| Uralic | 5 mil | Finnish | 77%
|
| Slavic | 10 mil | Czech | 75%
|
| Uralic | 13 mil | Hungarian | 74%
|
| Celtic | 947,700 | Welsh | 74%
|
| Celtic | 87,056 | Scottish | 71%
|
| Uralic | 1 mil | Estonian | 63%
|
| Indo-Iranian | 205 mil | Bengali | 57%
|
| Indo-Iranian | 102 mil | Punjabi | 52%
|
| Celtic | 356,000 | Breton | 43%
|
| Celtic | 3,000 | Cornish | 43%
|
| Germanic | 7 mil | Afrikaans | 40%
|
| Indo-Iranian | 50 mil | Gujarati | 35%
|
| Indo-Iranian | 75 mil | Marathi | 33%
|
| Uralic | 390,000 | Erzya | 6%
|
| Uralic | 390,000 | Moksha | 6%
|