Etymology of Wicca learned the term during his initiation into the New Forest coven in 1939. By the late 1950s, Gardner's rival Charles Cardell, founder of his own tradition, had begun referring to the religion's followers as "Wiccens", and possibly used "Wicca" in reference to the religion itself. The inclusive use of the term "Wicca"—referring to the entirety of Pagan Witchcraft religion—has been traced to Britain in the early 1960s, when it was used by various groups and publicised through use in adverts, magazines, and other literary sources. It was later adopted by figures like Alex Sanders and Gavin and Yvonne Frost, who
Growth of religion data" / similar for Canada & Australia). According to The Statesman Anne Elizabeth Wynn claims "The two most recent American Religious Identification Surveys declare Wicca, one form of paganism, as the fastest growing spiritual identification in America". Mary Jones claims Wicca is one of the fastest-growing religions in the United States as well. Wicca, which is largely a "Pagan" religion primarily attracts followers of nature-based religions in, as an example, the Southeast Valley region of the Phoenix, Arizona metropolitan area. In terms of absolute numbers, irreligion appears to be increasing (along with secularization generally). (See the geographic distribution of atheism.)