Highest Religious Populations

Can you name the religions with the most adherents as of 2020?

Includes non-religious and atheist.

Source: https://en.wikipedia.org/wiki/List_of_religious_populations

Some have more than one name. If I am missing a name for a certain religion, please let me know.

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Last updated: September 15, 2021

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First submitted	September 15, 2021
Times taken	65
Average score	50.0%
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Rank	Adherents	Percentage	Religion
1	2.382 billion	31.11%	Christianity
2	1.907 billion	24.9%	Islam
3	1.193 billion	15.58%	Secular \| Nonreligious \| Agnostic \| Atheist
4	1.161 billion	15.16%	Hinduism
5	506 million	5.06%	Buddhism

Rank	Adherents	Percentage	Religion
6	394 million	5%	Han Chinese \| Chinese Traditional Religion \| Chinese Folk Religion
7	300 million	3%	Ethnic
8	100 million	1.2%	Traditional African Religion \| African Traditional Religion
9	26 million	0.30%	Sikhism
10	15 million	0.19%	Spiritism

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