| Location | Number of Speakers | Language | % Correct |
|---|---|---|---|
| Mexico, Spain, Colombia... | 410,000,000 | Spanish | 100%
|
| France, Canada, Guinea... | 80,000,000 | French | 99%
|
| Italy, Switzerland, San Marino, Vatican | 65,000,000 | Italian | 99%
|
| Romania, Moldova | 24,000,000 | Romanian | 97%
|
| Brazil, Portugal, Angola... | 215,000,000 | Portuguese | 96%
|
| Spain, Andorra | 4,100,000 | Catalan | 91%
|
| Spain | 3,000,000 | Galician | 79%
|
| Italy | 4,700,000 | Sicilian | 79%
|
| Switzerland | 37,000 | Romansh | 78%
|
| Italy | 1,500,000 | Sardinian | 75%
|
| France | 1,500,000 | Occitan | 66%
|
| Italy, Slovenia, Croatia | 3,900,000 | Venetian | 65%
|
| Italy | 5,700,000 | Neapolitan | 63%
|
| France, Italy | 200,000 | Corsican | 62%
|
| Italy, Switzerland | 3,600,000 | Lombard | 60%
|
| Spain | 54,000 | Aragonese | 58%
|
| Spain | 110,000 | Asturian | 58%
|
| Italy | 1,600,000 | Piedmontese | 55%
|
| Italy, Monaco, France | 500,000 | Ligurian | 49%
|
| Romania, Greece, Albania... | 250,000 | Aromanian | 47%
|
| Italy | 300,000 | Friulian | 47%
|
| Italy | 31,000 | Ladin | 46%
|
| Portugal | 15,000 | Mirandese | 40%
|
| Italy, France, Switzerland | 140,000 | Franco-Provençal | 35%
|
| Italy, San Marino | 4,400,000 | Emilian-Romagnol | 30%
|
| Croatia | 300 | Istro-Romanian | 24%
|
| Croatia | 400 | Istriot | 23%
|
| Romania, Greece, Macedonia, Turkey | 5,000 | Megleno-Romanian | 20%
|