But what is freemasonry in today's society? It now exists in various forms all over the world, with a membership estimated at around six million, including over a quarter of a million under the jurisdiction of the United Grand Lodge of England and just under two million in the USA.
Members are obligated to abide by the rules of the fraternity, to keep the "secrets of Freemasonry" and to act towards others in accordance with Masonic tradition and law. Why is it so secretive? What are they hiding? Source