35,000 (1998 SIL), increasing. 3,450 Itbayatan (1996 census).
North of Luzon, Batanes Islands. Many relocated to Mindanao near Bukidnon, Lanao del Sur, and Cotabato; Manila, Luzon, and Palawan.
4 (Educational). De facto language of provincial identity in Batanes province.
Basco Ivatan, Itbayaten, Southern Ivatan.
Latin script [Latn].
Christian (Roman Catholic).