World’s estimated Population of Most followed Religion 1️⃣ Christianity: 2.38 billion ✝️ 2️⃣ Islam: 1.91 billion ☪️ 3️⃣ Unaffiliated: 1.19 billion 🚫 4️⃣ Hinduism: 1.16 billion 🕉 5️⃣ Buddhism: 507 million ☸️ 6️⃣ Sikhism: 26 million 🪯 7️⃣ Judaism: 14.6 million ✡️ 8️⃣ Jainism: 4.5 million 9️⃣ Folk Religions: 430 million 1️⃣0️⃣ Other Religions: 61 million Source: data statistica