24617 Salvadoran Sign Language 1000-9999 The actual number is probably much greater. 1500 represents only the number of people who list "Salvadoran Sign Language" (SSL) as one of the languages they know on Facebook. Many speakers might not have internet access, might not use Facebook, or may not list the language even if they do have an account. However, it is not known how many of the 1500 have a native/fluent knowledge of SSL. About Salvadoran Sign Language Off 1500 1000-9999