World Population 2024 Graph By Religion. Christianity remains the world’s largest religion in 2024, with almost 2.4 billion adherents. In its 2022 publication, the un estimated that, in its medium scenario, the global population would peak in 2086 at around 10.4 billion people.

Globally, muslims live in the biggest households, followed by hindus, christians,. Each nation contrives a unique religious fabric with their weave of faiths, making the study of religious populations by country an insightful endeavor.