The following is the entry for this language as it appeared in the 14th edition (2000).
It was superseded by the corresponding entry in the 15th edition (2005). See also the corresponding entry in the current edition of Ethnologue.
SIL code: ILO
ISO 639-2: ilo
| Population | 8,000,000 (1991 UBS). About 11.1% of the population. Population total both countries 8,000,000. |
| Region | Northwestern Luzon, La Union and Ilocos provinces, Cagayan Valley, Babuyan, Mindoro, Mindanao. Also spoken in USA. |
| Alternate names | ILOKO, ILOKANO |
| Classification | Austronesian, Malayo-Polynesian, Western Malayo-Polynesian, Northern Philippine, Northern Luzon, Ilocano. |
| Comments | There is a Pidgin Ilocano used in northern Luzon highlands. Language of wider communication. Roman script. Christian. Bible 1909-1996. |
