Emily Bickford and Matthew Bradeen

Which countries have the greatest religious diversity? Here is the map published in a major study

This index, known as the Religious Diversity Index, does not measure the intensity of belief but the balance between groups. A score of zero would indicate total uniformity, while a perfect 10 would reflect an almost equal presence of all seven major categories used in the study: Christians, Muslims, Hindus, Buddhists, Jews, adherents of other religions and those with no religious affiliation