Check out the Most Populous religion in the World

Religion: The belief in and worship of a superhuman controlling power, especially a personal God or gods.

The world's principal religions and spiritual traditions may be classified into a small number of major groups, although this is by no means a uniform practice. This theory began in the 18th century with the goal of recognizing the relative levels of civility in societies.^[1]

Here is the diagram showing the religious population percentages

According to the research made Christianity is the most populous religion in the world.. For it keep increasing everyday!!

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