| Speakers | Language | % Correct |
|---|---|---|
| 65 million | Italian | 98%
|
| 4.7 million | Sicilian | 82%
|
| 1 million | Sardinian | 75%
|
| 5.7 million | Neapolitan | 71%
|
| 3.9 million | Venetian | 70%
|
| 100,000 | French | 68%
|
| 3.5 million | Lombard | 63%
|
| 100,000 | Arbëresh | 62%
|
| 700,000 | Piedmontese | 60%
|
| 70,000 | Griko | 59%
|
| 41,000 | Ladin | 57%
|
| 500,000 | Ligurian | 55%
|
| 600,000 | Friulian | 54%
|
| 1.7 million | Emilian-Romagnol | 53%
|
| 90,000 | Slovene | 46%
|
| 2,000 | Croatian | 45%
|
| 6,000 | Corsican | 44%
|
| 20,000 | Catalan | 37%
|
| 100,000 | Occitan | 34%
|
| 250,000 | Bavarian | 31%
|
| 68,000 | Arpitan | 30%
|
| 23,000 | Alemannic | 21%
|
| 100,000 | Sassarese | 15%
|
| 100,000 | Gallurese | 13%
|