According to a Guardian/ICM poll 63% of the people in Briton are non-religious compared to 33% who describe themselves as religious. The non-religious group includes many who call themselves Christian but presumably don't practice the religion. Most people think that Religion does more harm than good - poll.
It's important for North Americans to understand the differences between us and Europeans. While religion still seems to be a powerful force in America, it is on the wane in most other western industrialized nations. That's a reason for optimism. It's possible that North America will soon abandon religion as well.