The Rate of Christian Growth

I have been discussing the fascinating article by Keith Hopkins, “Christian Number and Its Implications,” about how many people converted to Christianity at certain points of time (say, from ten years after Jesus’ death to the time the emperor Constantine converted in the year 312). As we have seen so far, the first problem Hopkins deals with is how to count – that is, who counts as a Christian? Hopkins takes the (in my opinion) justifiable and sensible view that if someone considered themsel...