EGIDS

Expanded Graded Intergenerational Disruption Scale

Level	Label	Description
0	International	The language is used internationally for a broad range of functions.
1	National	Language used in education, work, mass media, govt at the nationwide level.
2	Regional	The language is used for local and regional mass media and govt services.
3	Trade	The language is used for local and regional work by both insiders and outsiders.
4	Educational	Literacy in language is being transmitted through a system of public education.
5	Written	The language is used orally by all generations and is effectively used in written form in parts of the community.
6a	Vigorous	The language is used orally by all generations and is being learned by children as their first language.
6b	Threatened	The language is used orally by all generations but only some of the child-bearing generation are transmitting it to their children.
7	Shifting	The child-bearing generation knows the language well enough to use it among themselves but none are transmitting it to their children.
8a	Moribund	The only remaining active speakers of the language are members of the grandparent generation.
8b	Nearly Extinct	The only remaining speakers of the language are members of the grandparent generation or older who have little opportunity to use the language.
9	Dormant	The language serves as a reminder of heritage identity for an ethnic community. No one has more than symbolic proficiency.
10	Extinct	No one retains a sense of ethnic identity associated with the language, even for symbolic purposes.

from Lewis & Simons (forthcoming)