Predominant religion by country reference
This reference lists the largest religious group for each country together with an approximate share of the population. It helps with demographic context, market research and cultural orientation, and is searchable both by country and by religion.
How it works
Each country entry records the single largest religious affiliation and a rounded percentage share. There is no calculation — the data comes from censuses and surveys, which vary in age and method. The tool supports two lookups:
- By country — see the predominant religion and its approximate share.
- By religion — list every country where that religion is the majority group.
The share describes a plurality or majority, not unanimity: a 60 percent figure means a large minority follows other beliefs or none. Where the largest group is the non-religious or unaffiliated, the entry says so. East Asian entries are simplified because religious identity there is often overlapping and not exclusive.
Tips and example
- Searching Islam returns countries across the Middle East, North Africa, Central and South Asia and parts of Southeast Asia where it is the majority faith.
- A predominant share of, say, 55 percent is a reminder to design for diversity — nearly half the population is outside the majority group.
- In several East Asian countries the figures blend folk religion, Buddhism and the non-religious; read those as indicative rather than exclusive categories.
- For rigorous work, cite the specific census or survey and year, since religion data is updated infrequently and measured inconsistently across countries.