In an April 2007 poll, 53 percent of adults in the UK surveyed identified themselves as Christian, while 6 percent identified themselves as non-Christian. The remainder of those surveyed claimed no religion.
Among those surveyed:
10 percent (4.9 million) attend church weekly
15 percent (7.6 million) attend church regularly (at least once a month)
7 percent (3.4 million) attend church between one and six times a year
28 percent (13.7 million) no longer attend church
32 percent (15.6 million) have never attended church.
(From "Churchgoing in the UK" an April 2007 research report by Tearfund, a Christian relief and development organization)