Indeed, 85 percent of massage therapists in the United States are women, according to the American Massage Therapy Association.īut culture and nationality also play a role. “Seventy percent of spa-goers are female, and there are more female therapists, so it makes sense that this would be the preference,” she said. Lynne McNees, president of the International Spa Association, attributes it to basic numbers. Most women ask for female massage therapists, spa managers say.