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It was superseded by the corresponding entry in the 15th edition (2005).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: LKT
ISO 639-2: sio
| Population | 6,000 speakers out of 20,000 population (1987 SIL). 103,255 ethnic Sioux in USA (1990 Census Bureau). Population total both countries 6,000. |
| Region | Northern Nebraska, southern Minnesota, North and South Dakota, northeastern Montana. Also spoken in Canada. |
| Alternate names | LAKHOTA, TETON |
| Classification | Siouan, Siouan Proper, Central, Mississippi Valley, Dakota. |
| Comments | Children are being raised speaking the language in the northern Plains (1998). Vigorous in some Lakota communities. Grammar. |
| Canada |
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