what is the estimated religion in the world
The study estimated Christianity was the largest faith at 2.2 billion adherents or 31.5 percent of the world's population. The Roman Catholic Church makes up 50 percent of that total, with Protestants -- including Anglicans and non-denominational churches -- at 37 percent and Orthodox at 12 percent.
There are 14 million Jews, and an estimated 58 million people, which is less than one percent of the global population-belong to other religions. These include the Baha'i faith, Jainism, Sikhism, Shintoism, Taoism, Tenrikyo, Wicca and Zoroastrianism, to mention just a few, the study says.