There are over 150 different types of sign languages that researchers have documented. Many more exist – some experts estimate around 300 to 450 types – but there isn’t an official record of ...

Though sometimes regarded as a universal form of communication, different forms of sign language are used across the world, creating yet another layer of complexity in the realm of human interactions.

The list of all the different types of sign languages is lengthy, but the most common form of the language is American Sign Language (ASL). Used by the United States, Canada, Mexico, and parts of ...

Collectively, they use more than 300 different sign languages. ... It is considered a pidgin form of sign language that is not as complex as natural sign languages and has a limited lexicon.