Original: American Sign Language American Sign Language (ASL) is the native language of between 500,000 and 2 million Deaf people in America.
Simplified: Along with French Sign Language, it was one of two main contributors to American Sign Language. American Sign Language American Sign Language (ASL) is the native language of between 500,000 and 2 million Deaf people in United States. Black American Sign Language Black American Sign Language developed in segregated schools in the south.