350,000 (2000 census), increasing.
Sulawesi Tengah Province, Kota Palu city, south Donggala, south Parigi Moutong, Sigi, Poso, Tojo Una-Una and Morowali regencies; also includes entire Una-Una island in the Togian chain as well as coastal enclaves near Puna, Malai, and the head of Tomori bay.
3 (Wider communication). Ledo is lingua franca in West Toraja area.
Ledo (Palu), Doi (Kayu Malue, Mamboro), Ado (Pakuli, Sibalaya), Edo (Sidondo), Tado (Ri Io, To ri Io, Torio, Toriu), Tara (Parigi), Rai (Sindue-Tawaili, Tawaili-Sindue), Raio (Kori), Ija (Sigi), Taa (Palolo), Ta’a (Dolago-Sausu, Sausu). Doi dialect is intelligible of Ledo and Edo; Ado next most intelligible; Tado a little less. Some intelligibility of Da’a [kzf], but major sociolinguistic differences. Lexical similarity: 80%–88% between Ledo and the Ado, Edo, Doi, and Lindu dialects.
Largest and most prestigious of Kaili varieties in Sulawesi. Used as L2 by Uma [ppk].
Latin script [Latn].
Tado dialect different from Tado, an alternate name for Lindu [klw]. Muslim, Christian.