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It was superseded by the corresponding entry in the 15th edition (2005).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: YUF
ISO 639-2: nai
| Population | 1,007 speakers, including 404 Havasupai speakers (including 4 monolinguals), 440 Walapai speakers, 163 Yavapai speakers (1990 census), out of 1,500 population (1977 SIL). |
| Region | Central and northwestern Arizona. The Walapai are on top of the south rim of the Grand Canyon, the Havasupai at the bottom. |
| Alternate names | UPPER COLORADO RIVER YUMAN, UPLAND YUMAN |
| Dialects | WALAPAI (HUALPAI), HAVASUPAI, YAVAPAI. |
| Classification | Hokan, Esselen-Yuman, Yuman, Upland Yuman. |
| Comments | 78% to 98% intelligibility among the dialects. 91% to 95% lexical similarity among the dialects. All ages: Havasupai. Most or all Yavapai speakers are middle-aged or older. Many younger Walapai prefer English and some do not speak Walapai. Children being raised speaking Havasupai and Walapai (1998). Vigorous: Havasupai. Literacy rate in first language: 1% to 5%. Literacy rate in second language: 75% to 100%. Bible portions 1980. |