An ethnolinguistic group (or ethno-linguistic group) is a group that is unified by both a common ethnicity and language. Most ethnic groups have their own language. Despite this, the term is often used to emphasise when language is a major basis for the ethnic group, especially with regards to its neighbours.
A central concept in the linguistic study of ethnolinguistic groups is ethnolinguistic vitality, the ability of the group's language and ethnicity to sustain. An ethnolinguistic group that lacks such vitality is unlikely to survive as a distinct entity. Factors that influence the ethnolinguistic vitality are demographics, institutional control and status (including language planning factors).
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