Major religious groups

Worldwide percentage of adherents by religion as of 2015^[1]

Christianity (31.2%)
Islam (24.1%)
Irreligion (16%)
Hinduism (15.1%)
Buddhism (6.9%)
Folk religions (5.7%)
Other religions (1%)

The world's principal religions and spiritual traditions may be classified into a small number of major groups, though this is not a uniform practice. This theory began in the 18th century with the goal of recognizing the relative degrees of civility in different societies,^[2] but this concept of a ranking order has since fallen into disrepute in many contemporary cultures.

^ "The Changing Global Religious Landscape" (PDF). Pew Research Center. Pew Research Center. Retrieved 28 April 2023.
^ Masuzawa, Tomoko (2005). The Invention of World Religions. Chicago: University of Chicago Press. ISBN 978-0-226-50989-1.

[1] "The Changing Global Religious Landscape" (PDF). Pew Research Center. Pew Research Center. Retrieved 28 April 2023.

[2] Masuzawa, Tomoko (2005). The Invention of World Religions. Chicago: University of Chicago Press. ISBN 978-0-226-50989-1.

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