Q.20 What is your religion?
Yes, it really could be much clearer, couldn’t it, very ambiguous?
Exactly the opposite, it’s a leading question. Not “are you religious” or “Do you practice a religion” but “What is your religion”.
The ONS accept this- they defend the question as it’s been used for some time, and so it’s useful for measuring trends, even though it’s poor for measuring absolutes. If they change the question, they’d get a truer answer but they’d lose the trend measurement. So they accept that the question gives misleading information on religiousity. It’s not a conspiracy or anything.
Don’t think this has an impact? Asking the question “What is your religion” gets 61% of respondents to identify as religious, as per the census. But asking the question “are you religious” gets only 29% to respond yes.
Similiarly, if you ask the census question, then follow it with “Do you believe in Christ”, only 48% of all the “Christians” do. And just over half believe in God. That’s a bit tricky really.