Critically endangered
The youngest speakers are of the great-grandparental generation, and speak it partially and rarely.
UNESCO, grade 1: “The youngest speakers are in the great-grandparental generation, and the language is not used for everyday interactions. These older people often remember only part of the language but do not use it, since there may not be anyone to speak with.”
That last clause is the one worth sitting with. At this grade the obstacle is not only memory but company: a language needs someone to speak it to. Several profiles in this Atlas describe speakers who are fluent and have no one left to answer them.
It is also the grade at which documentation becomes urgent, because what is not recorded now is unlikely to be recoverable later.
Where this sits
The first four run from least to most endangered. The last two sit outside that scale.