* 33.0% of people in the world are Christian

* 19.3% are Muslim

* 15.3% are atheists or non-religious

* 13.4% are Hindu

* 6.4% follow traditional Chinese religions

* 6.0% are Buddhist

* 3.8% follow tribal or indigenous religions

* 1.7% belong to religions created since 1800

* 0.4 % are Sikhs

* 0.2% are Jews


Cited in Well@Work, 2001

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