Think

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Just to share current world population by religions..

World Religions^[1][2]

Four largest religions	Adherents	Percentage of world population	Further information
World population	6.8 billion	Figure used by individual articles
Christianity	2.4 billion	34%	Christianity by country
Islam	1.62 billion	19%	Islam by country
Hinduism	1 billion	14%	Hinduism by country
Non-religious	1.12 billion	16%	Irreligion by country
Buddhism	Circa 376 million	7%	Buddhism by country
Total	6.8 billion	93.5%

Source: wikipedia

Think..

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