1. In addition to the Italo-Romances varieties, a dozen of minority languages are also spoken in Italy; these are officially recognized by the Italian parliament (Law 482/99;Norme in materia di tutela delle minoranze linguistiche storiche
2. The ISTAT census of 2012 (ISTAT 2014) reports data divided by geographical areas, but not by administrative regions; therefore they are not informative for our purposes;The data about 2000 are available in (ISTAT 2007)