L1 users: 1,240 (2007 NCIP). No monolinguals. Ethnic population: 1,400 (2008 SIL).
Cagayan Valley region: Cagayan province, Aparri municipality on Fuga island, Calayan municipality; on Babuyan islands.
Shifting to Ilocano [ilo]. All domains as well as religious services and ceremonies, and local commerce. All ages. Positive attitudes. Also use English [eng], Filipino [fil], Mandarin Chinese [cmn], Min Nan Chinese [nan]. Also use Ilocano [ilo], with increasing bilingualism and frequent code-switching. Used as L2 by Ilocano [ilo].
Latin script [Latn].
Since 1978, speakers have increased from 450 to 1,220. On June 1, 2007, the Ibatan were awarded title to their island home of Babuyan Claro with all collective rights to natural resources, including 5 km of ocean around the island. The ancestral domain was established with the help of the National Commission on Indigenous Peoples of the Philippines and based on the Indigenous Peoples Rights Act of 1997 (2007 SIL). Christian.