adminReligion isn’t distributed evenly around the world — it clusters heavily by region, shaped by centuries of history, migration, and empire. Here’s how the world’s major faiths map out geographically.
World Religion Map by Region
| Region | Dominant Religion | Notable Countries |
|---|---|---|
| Europe | Christianity | Italy, Poland, Russia, UK |
| Middle East & North Africa | Islam | Saudi Arabia, Egypt, Turkey, Iran |
| South Asia | Hinduism / Islam | India (Hindu), Pakistan & Bangladesh (Muslim) |
| East Asia | Buddhism / Unaffiliated | China (unaffiliated majority), Thailand, Japan |
| Sub-Saharan Africa | Christianity / Islam | Nigeria (split), Ethiopia, South Africa |
| North & South America | Christianity | United States, Brazil, Mexico |
| Southeast Asia | Islam / Buddhism | Indonesia (Muslim), Thailand & Myanmar (Buddhist) |
Why Religion Clusters Geographically
Most of today’s religious map traces back to a handful of historical forces: the spread of Christianity through the Roman Empire and later European colonization, the rapid expansion of Islam across the Middle East, North Africa, and parts of Asia in the centuries following the 7th century, and the much older, more gradual development of Hinduism and Buddhism across South and East Asia.
Colonization in particular reshaped the religious map far beyond where a religion originated — Christianity’s dominance across the Americas, for instance, is a direct result of European colonization rather than the religion’s Middle Eastern origins.
Regions With the Most Religious Diversity
Some regions don’t fit neatly into a single dominant religion. Sub-Saharan Africa is split between Christianity and Islam along a rough geographic line, Southeast Asia contains Muslim-majority Indonesia alongside Buddhist-majority Thailand and Myanmar, and South Asia hosts the Hindu-majority India next to Muslim-majority Pakistan and Bangladesh — a divide that traces directly to the 1947 Partition.
Where “Unaffiliated” Is the Largest Group
A few countries stand out as exceptions to the global pattern of religious identification. China and Japan both show religiously unaffiliated as their largest single category — in China’s case tied to decades of state secularism, and in Japan’s case reflecting a culture where Shinto and Buddhist practices are common without most people formally identifying as “religious.”
FAQs
What is the most common religion by region?
Christianity dominates Europe and the Americas, Islam dominates the Middle East and North Africa, Hinduism dominates South Asia (primarily India), and Buddhism has its strongest presence in East and Southeast Asia.
Which country has the most religious diversity?
Countries like Nigeria, Singapore, and the United States are frequently cited for high religious diversity, with no single faith holding an overwhelming majority.
Why is China’s largest religious group ‘unaffiliated’?
Decades of state secularism under Chinese Communist Party rule have shaped religious identification, though folk religion, Buddhism, and other traditions remain practiced by significant minorities.
For population-level rankings by religion rather than region, see our guide to the most common religion in the world.
