Homeopathy is one of the most-used forms of medicine in the world, and arguably the fastest growing. Depending on which estimate you believe, 300-500 million patients worldwide use it. Some 400,000 healthcare professionals recommend homeopathic medicines, including about 100,000 physicians who prescribe them routinely. Homeopathy is used in over 80 countries.
http://www.homeocentre.ca/homeopathy-worldwide/