Yoga is especially favored in the Northeast, as states such as New York, Connecticut, and Massachusetts all search for Yoga more than any other fitness class.
Coming in at a distant second is Pilates followed by Zumba, Body Pump, and Boxing.
The main reason yoga is the first choice people seek out for activity is because yoga is comprehensive. it not only provides physical fitness but reduces stress, lowers blood pressure, increases compassion, develops inner peace and more. Yoga helps people tap into their four inner healers: the inner physician to heal the body; the inner psychologist to heal the emotions; the inner psychiatrist to heal the mind; and the inner priest to heal the soul.
(read more here: https://www.msn.com/en-us/health/other/yoga-is-the-most-popular-fitness-class-in-california/ar-AA17tzwy)