That's why there's such a complex struggle with religion.

CNN: ASIANOW - TIME Asia | China: Inside China's Search for Its Soul

By asking people to state their religion, or lack of it, the census was asking a complex question.

BBC: 2011 Census: Is Christianity shrinking or just changing?

Race, religion, creed and sometimes even gender are supremely relevant if the Holy City, a complex web of separate Jewish and Arab districts, is ever to be divided peaceably into the capitals of two states, Israel and Palestine.

ECONOMIST: Jerusalem's settlements