Keywords: Major world religion groups (corrected Pew Research Center statistics for 2010).png Pie chart of the world religious groups by percentage according to http //www pewforum org/2012/12/18/global-religious-landscape-exec/ The Global Religious Landscape statistics compiled by Pew Research Center corrected according to survey findings about the Chinese traditional religion The Pew Research Center unjustifiably underestimated the number of followers of Chinese traditional folk religions which according to various surveys based on empirical data collected in China is practiced by nearly 1 billion people In this graph I have maintained the Pew's statistics for Christianity Islam Hinduism and Buddhism and I have revised the statistics for unaffiliated and folk religious populations according to the findings about Chinese religion Out of a world population of 6 9 billion people as of 2010 Christians are 2 2 billion Pew ; Muslims are 1 6 billion Pew ; Hindus are 1 0 billion Pew ; Chinese traditionalists are 900 million Chinese Spiritual Life Survey 2007 Chinese Family Panel Studies 2012 ; Buddhists are 488 million Pew ; The remaining part of the world population is either composed of followers of other religions ethnic religions or is unaffiliated to any religion 2015-06-30 Xyxyo Own work see-below Religion statistics |