List of religious populations
Adherent estimates in 2012
Adherents.com says "Sizes shown are approximate estimates, and are here mainly for the purpose of ordering the groups, not providing a definitive number".

List of religious populations

Section Title: Adherent estimates in 2012
Table Section Text: Adherents.com says "Sizes shown are approximate estimates, and are here mainly for the purpose of ordering the groups, not providing a definitive number".

Religion	Adherents	Percentage

Christianity	2.4 billion	33%

Islam	1.8 billion	24.1%

Secular/Nonreligious/Agnostic/Atheist	1.2 billion	16%

Hinduism	1.15 billion	15%

Buddhism	521 million	7%

Chinese traditional religion	394 million	5.50%

Ethnic religions excluding some in separate categories	300 million	4.19%

African traditional religions	100 million	1.40%

Sikhism	30 million	0.32%

Spiritism	15 million	0.21%

Judaism	14.4 million	0.20%

Bahá'í	7.0 million	0.10%

Jainism	4.2 million	0.06%

Shinto	4.0 million	0.06%

Cao Dai	4.0 million	0.06%

Zoroastrianism	2.6 million	0.04%

Tenrikyo	2.0 million	0.02%

Neo-Paganism	1.0 million	0.01%

Unitarian Universalism	0.8 million	0.01%

Rastafari	0.6 million	0.01%

total	7.167 billion	100%

Sentence(s)

Sikhism is the ninth-largest religion.

final_sentence: Sikhism is the ninth-largest religion.