30,000 (2000 SIL), increasing. Only those below grade-school age are monolingual.
Luzon, south Ifugao Province.
Hapao Ifugao, Hungduan Ifugao, Lagawe Ifugao. 77% intelligibility of Amganad Ifugao [ifa], 78% of Batad Ifugao [ifb]. Hapao dialect has 88% intelligibility of Hungduan dialect. Lexical similarity: 80% with Amganad Ifugao [ifa], 72% with Batad Ifugao [ifb], 78% with Hapao dialect, 86% with Hungduan dialect.
VSO; prepositions; genitives, relatives after noun heads; articles, adjectives, numerals before noun heads; question word initial; 1 suffix, 2 infixes; passives; causatives; comparatives; V, CV, CVC
Kiangan is the place, Tuwali the language. Christian.