This document provides information about various gender identities. It begins by defining gender as a social construct that describes masculinity and femininity. It then discusses common gender identities like cisgender, agender, genderqueer, non-binary, bigender, genderfluid, and demigender. The document notes there are an infinite number of genders and new terms are regularly created. It also discusses less common identities like trigender, aliagender, neutrois, and pangender. Finally, it mentions some non-Western gender identities like two-spirit, hijra, kathoey, and non-binary travesti.