The data are pretty much irrelevant because even if we come up with a completely fair standard for what constitutes 'religious violence', the raw numbers are still gonna be within an order of magnitude. The take-away here isn't "their religion is x% more violent than ours!", it's "violence is a complicated thing that isn't predicted solely by religious scripture."
"Timur frequently used his Islamic religion to achieve his military goals or domestic political aims" so thats 20 million already.
They religiously persecuted the Native Americans and established probably the most brutal form of forced labor in American history, motivated by their 'god-given' mandate to conquer.
I don't want to go find all the loving sources from 5 years ago but I read about the Spanish conquest of Mexico. The Tlaxcalians were the most brutal after the siege and the Spanish treated the city states that helped them win the war quite well. Even attempting to isolate people from Smallpox so they wouldn't get infected. Of course this is all very vague because I read this all 5-6 years ago.
but Spanish encomienda is 'loving cool'.
Genghis Khan is also my role model so suck it friend.
africa was also colonized in the name of civilization and christianity so you could probably make a case for all of their post-colonial border conflicts being christians' faults
We could also make the case that you're pants on head handicapped but that case is far more logical.