High rankings (in terms of specialization and absolute references) are often found in the most likely regions. For example, the Middle East, North Africa, and Muslim parts of South and Southeast Asia are all characterised by a significant amount of specialization and a large number of references to "Allah."
References to "Buddha" are similarly clustered in East and Southeast Asia, the Himalayas and Sri Lanka. The geography of references to "Hindu" is even more clustered. Here, the Indian Subcontinent, Afghanistan, Angkor Wat, Bali, Singapore and Kuala Lumpur (two cities with large Indian populations) have a large number of references.
References to "Jesus" are more broadly distributed than any of the other three terms, but still show an incredible degree of concentration. The Americas, Western Europe and the Philippines are blanketed by references to Jesus.
Unlike user generated references to sex and business, religious search terms tend to display a geographic concentration in both absolute and relative terms. Or in other words, it is interesting that sex and business are far more global in scope than even these four very global religions.