This is the best tl;dr I could make, original reduced by 79%. (I'm a bot)

> For the first time, less than half of the population in England and Wales identifies as Christian, according to census data released Tuesday.

> It remains voluntary to answer, but fully 94.0 percent of respondents did, according to the ONS. Some 27.5 million people or 46.2 percent in England and Wales described themselves as Christian, down 13.1 percentage points from 2011.

> "No religion" rose by 12 points to 37.2 percent or 22.2 million, while Muslims stood at 3.9 million or 6.5 percent of the population, up from 4.9 percent before.

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