Wicca airmen identifying themselves as such. In the United Kingdom, census figures on religion were first collected in 2001; no detailed statistics were reported outside of the six main religions. For the 2011 census a more detailed breakdown of responses was reported with 56,620 people identifying themselves as Pagans, 11,766 as Wiccans and a further 1,276 describing their religion as "Witchcraft". Wicca emerged in a predominantly Christian country, and from its inception the religion encountered opposition from certain Christian groups as well as from the popular tabloids like the "News of the World". Some Christians still believe that Wicca is a
Wicca oral teachings passed along to their initiates. There are many variations on the core structure, and the religion grows and evolves over time. It is divided into a number of diverse lineages, sects and denominations, referred to as "traditions", each with its own organisational structure and level of centralisation. Due to its decentralized nature, there is some disagreement over what actually constitutes Wicca. Some traditions, collectively referred to as British Traditional Wicca, strictly follow the initiatory lineage of Gardner and consider the term "Wicca" to apply only to similar traditions, but not to newer, eclectic traditions. Wicca is typically duotheistic,