Extra posting/ how could we try to explain this graph?/ Juhee Cha

Sources:https://prezi.com/e1u1fsshjnsa/intro-32-glob-42-religion/

Q. how could we try to explain this?
A. This graph shows that religious beliefs are weaker in richer countries. I think the more rich a country, the better it will be for people to be educated. Well educated, I think that's the result, because people think rational than religious ideas.