Well the competitor is Chinese sign language and the Chinese government claims there are 4 million fluent signers of it. (Which would be the overwhelming majori

Well the competitor is Chinese sign language and the Chinese government claims there are 4 million fluent signers of it. (Which would be the overwhelming majority of people who sign on the planet if it is true) so if you want to improve your raw odds of helping use that. Yes, I failed to be inclusive of other sign languages. Learn the sign language that makes sense for your culture and environment, but learn a sign language!