* Austronesian: This is the largest family, encompassing languages like Ilocano, Kankanaey, Ibaloi, Bontoc, Ifugao, and Kalinga. These languages are spoken by the majority of the region's population.
* Philippine: This branch of Austronesian includes languages like Gaddang, Isneg, and Tingguian.
* Austroasiatic: The languages of the Agta people, such as Agta, belong to this family.
Here are some of the most widely spoken languages in Cordillera:
* Ilocano: This is the dominant language in the region, spoken by a significant portion of the population, particularly in the provinces of Ilocos Sur, La Union, and Abra.
* Kankanaey: Spoken in the Benguet and Mountain Province, this language is closely related to Ibaloi.
* Ibaloi: Another prominent language of the Benguet province.
* Bontoc: Spoken in the Mountain Province, this language has several distinct dialects.
* Ifugao: Known for its unique linguistic features and rich cultural heritage, it is spoken in the Ifugao province.
* Kalinga: Spoken in the Kalinga province, this language has several dialects.
* Gaddang: Spoken in Nueva Vizcaya, this language has a significant number of speakers in the region.
* Isneg: Spoken in the Apayao province, this language is also known as "Isinay."
* Tingguian: Spoken in the Abra province, this language has several distinct dialects.
It's important to remember that the specific languages spoken in a particular area within Cordillera can vary greatly. The region is characterized by a high level of linguistic diversity, and many villages and communities have their own unique languages and dialects.