What is low functioning autism?

There's no such thing as low-functioning autism.

Functioning labels - low-functioning/high-functioning - are terms based on an individual persons judgement to assign worth to Autistic people based on how close they are to neurotypical people. Low-functioning is a way to say that an Autistic person is severely effected by their Autism so disabled and viewed as less than someone who is deemed to be high-functioning. These labels are ableist and offensive, yet continue to be used because of stigma and ableism towards Autism.

low functioning autism is severe autism, were a person functions bellow average, and is non verbal.