01
See the size
Christianity is still first. Islam is close. A growing share claims no religion at all.
ADIstudios
World Faiths · live
Produced by fredeRick T Ingram
How 8,215,424,893 people name themselves — and what each system actually claims about God, the human problem, and the way through. Size measures reach. It does not settle truth.
01
Christianity is still first. Islam is close. A growing share claims no religion at all.
02
Tap a slice. These are rival accounts of reality, not eight versions of the same idea.
03
Each row ticks live. Muslims have the highest fertility. Size today is not the same as growth tomorrow.
Abrahamic · rank 1
2,587,858,841 · 31.5% of world affiliation
+1.48 births per second worldwideTFR 2.6
Largest identity on earth. The count includes the cultural and the baptized, not only the born again — a line the New Testament itself draws.
Judaism, Christianity, and Islam. One God, prophets, Scripture, and a linear history that runs from creation toward a last judgment. They name the same God of Abraham and then divide — most sharply — over Jesus.
| # | Religion | TFR | Adherents | Births / sec |
|---|---|---|---|---|
| 1 | Christianity | 2.6 | 2,587,858,841 | +1.48 |
| 2 | Islam | 2.9 | 2,053,856,223 | +1.31 |
| 3 | Religiously unaffiliated | 1.6 | 1,232,313,734 | +0.434 |
| 4 | Hinduism | 2.3 | 1,215,882,884 | +0.615 |
| 5 | Buddhism | 1.6 | 534,002,618 | +0.188 |
| 6 | Folk religions | 1.8 | 443,632,944 | +0.176 |
| 7 | Other religions | 1.7 | 65,723,399 | +0.025 |
| 8 | Judaism | 2.3 | 16,430,850 | +0.0083 |
| World | 8,149,701,494 | +4.24 | ||
Affiliation shares as entered. Headcounts tick from the World Bank population series (2025). Births per second use the World Bank crude birth rate (2024: 16.27 per 1,000), allocated by Pew Research fertility (TFR) so higher-fertility groups receive more of each second’s births. Re-fetched every 15 minutes. These are identity counts, not a census of saving faith.
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