[2] It is not clear how many users there are in the country; the most recent general census registered little more than 10,000,[3] but the more specific census on people with special needs found around half a million people with hearing disabilities.
[4] Variations exist in several geographically and among generations and religious groups,[5][6] while the variety used in Lima is the most prestigious one.
[7] On the other hand, deaf social gatherings and private schools keep the Peruvian Sign Language strong.
[5] Clark[8] notes that Peruvian, Bolivian, Ecuadorian and Colombian sign languages "have significant lexical similarities to each other" and "contain a certain degree of lexical influence from ASL" as well (30% in the case of LSP), at least going by the forms in national dictionaries.
Clark counts the lexical similarities to Peruvian SL as Ecuadorian (54%), Bolivian (53%), Colombian (47%), Chilean (41%), and Argentinean (33%).