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| 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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