Zumba involves dance and aerobic elements. Zumba's choreography incorporates hip-hop, soca, samba, salsa, merengue, mambo and martial arts. Squats and lunges are also included. Zumba Fitness, an organization that sells Zumba videos and products, does not charge licensing fees to gyms or fitness centers.  Approximately 14 million people take weekly Zumba classes in over 140,000 locations across more than 185 countries.