Mostly Christianity................the UK is full of Protestants....
multi-cultural
They are all Abrahamic religions.
The Church of England and the Church of Scotland are two important branches of Christianity in the UK. Many people of different world religions such as Islam and Judaism also live in the UK.
There are no two books common to all religions. Actually there is no one book common to all religions. Though many religions do not totally dismiss the writings of other religions, they do not hold them at the core of their belief system.
All of tha religionz
They are monotheistic religions.
We recognize all religions. Lutheranism is the most common.
Christianity.
As the UK is a capitalist country, people come here seeking wealth from other countries: India, Pakistan, Nigeria, China etc. and different countries have different religions, meaning the UK now has inhabitants whose religions could be Judaism, Jainism, Sikhism, Hinduism, Catholicism, Christianity, Buddhism, Islam etc.
Because of massive immigration in recent years, most of the world's major religions are represented in the UK.
They are both religions.
After Hinduism and Islam, the next most common religions in India are Christianity, Sikhism, Buddhism, and Jainism. These religions have significant followings and historical roots in the country.