| Native speakers | Language | % Correct |
|---|---|---|
| 75M | French | 99%
|
| 410M | Spanish | 99%
|
| 60M | Italian | 97%
|
| 220M | Portuguese | 91%
|
| 24M | Romanian/Moldovan | 89%
|
| 7.2M | Catalan | 78%
|
| ~40,000 | Romansh | 59%
|
| 2.4M | Galician | 52%
|
| 4.7M | Sicilian | 52%
|
| ~1M | Sardinian | 49%
|
| ~230,000 | Corsican | 43%
|
| <800,000 | Occitan | 43%
|
| 3.9M | Venetian | 39%
|
| ~150,000 | Asturian, Leonese and Mirandese | 33%
|
| 2.3M | Lombard | 30%
|
| ~20,000 | Aragonese | 29%
|
| 5.7M | Neapolitan | 29%
|
| 20,000 | Ladin | 25%
|
| 1.6M | Piedmontese | 23%
|
| 500,000 | Ligurian | 22%
|
| 140,000 | Franco-Provençal | 21%
|
| <600,000 | Walloon | 20%
|
| 300,000 | Friulian | 18%
|
| extinct | Dalmatian | 17%
|
| >440,000 | Emiliano-Romagnolo | 15%
|
| constructed language | Interlingua | 11%
|