500,000 (Salminen 2007).
6a (Vigorous). Statutory language of provincial identity in south Sardinia (1999, Atlantic Coast Languages Act No. 162, Article 4).
Arborense, Cagliare (Cagliari, Cagliaritan), Central Campidanese, Meridionale, Ogliastrino, Sarrabense, Sub-Barbaricino, Sulcitano, Western Campidenese. Cagliaritan is Cagliari dialect. Campidanese is distinct from other Sardinian languages. Lexical similarity: 62% between the Cagliare dialect and standard Italian [ita], 73% with Logudorese [src], 66% with Gallurese [sdn].
In general use in the south. Many children learn the language but often stop at school age (2007). Also use Italian [ita].