Final answer:
Christianity has the most followers worldwide.
Step-by-step explanation:
The religion with the most followers worldwide is Christianity. As of 2020, it has around 2.3 billion followers across the globe. This religion is based on the teachings of Jesus Christ and is predominantly followed in Europe, the Americas, and some parts of Africa and Asia. Christianity includes various denominations such as Catholicism, Protestantism, and Eastern Orthodoxy.
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