Uncover the profound social ecology of religion and its real-world impact. This insightful book analyzes how global faiths, from Hinduism and Islam to Christianity, actively shape population dynamics and manage crucial life-cycle events like birth, marriage, and death. Drawing on extensive scientific data and real-world examples, it reveals the down-to-earth functions religious practices serve. An essential read for students of comparative religion, anthropology, and sociology, offering a unique perspective on beliefs worldwide.