According to Pew’s latest ‘Religious Composition by Country’ data, the first such compilation of data in a decade, New Zealand and Uruguay are the only countries where the largest religious group changed between 2010 and 2020. But with Christianity already below 50% in the UK, Australia and France, future updates could add more countries to that list.
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Mapped: The Largest Religion in Every Country
By Niccolo Conte and Miranda Smith, as published by Visual Capitalist, 30 August 2026
Key Takeaways
- Christianity is the largest religion in 123 of 201 countries and territories, while Islam leads in another 54.
- Just two countries changed their largest religious group between 2010 and 2020: New Zealand and Uruguay, both shifting from Christianity to the religiously unaffiliated.
- In seven countries, no religious group holds a majority. Singapore has the smallest leading share, with Buddhists accounting for just 30.8% of the population.
Pew Research Centre has completed its first comprehensive update of the world’s religious composition in more than a decade, revealing which religious group is largest across 201 countries and territories.
This map shows the largest religious group in every country based on self-identification as of 2020, using estimates from Pew Research Centre’s Religious Composition by Country dataset, published in June 2025 and updated in February 2026.
Christianity is the World’s Leading Religion in 123 Countries
Christianity dominates the map across the Americas, Europe, much of sub-Saharan Africa and Oceania. Islam forms another striking geographic belt, stretching from West Africa through the Middle East and into Central and South Asia.
[A table embedded in the original article] shows the largest religious group in each of the 201 countries and territories, its share of the population in 2020, and whether it holds an outright majority.
The United States maintains a Christian majority at 64.0% of its population, while Canada stands at 53.3%. In the United Kingdom, the share of self-identifying Christians falls just short of a majority at 49.4%.
Yemen and Afghanistan are the most religiously uniform places on the map, at 99.9% Muslim, just ahead of the 99.5% Christian shares in Timor-Leste and Moldova.
Israel is the only country where Judaism is the largest religious group, at 77.0% of the population. Taiwan is similarly unique on the map, with Daoism leading at 51.7%.
Only Two Countries’ Leading Religion Changed Since 2010
Despite substantial shifts within countries, only New Zealand and Uruguay changed their largest religious group between 2010 and 2020. Both shifted from Christian-led populations to religiously unaffiliated majorities, at 51.4% and 52.4%, respectively.
They sit at the leading edge of a wider Western shift. Brazil’s 2022 census put the Catholic share of its population at 56.7%, down from 65.1% a decade earlier. Meanwhile, the share of Americans with no religion has settled near 29%, nearly double its 2007 level, even as the largest non-Christian religion varies widely from state to state.
The United Kingdom, Australia, and France may be next in line. In all three, Christianity now leads with less than half the population, while the runner-up is no religion at all.
Countries Where the Largest Religion Isn’t a Majority
In seven countries, the leading religion is a plurality rather than a majority: the UK, Australia, and France (Christian), Côte d’Ivoire (Muslim), South Korea (religiously unaffiliated), Mauritius (Hindu), and Singapore, where Buddhists lead with just 30.8%, the lowest leading share on the map.
Some countries carry bigger caveats. Côte d’Ivoire’s Muslim lead over Christians is just 1.4 percentage points, effectively too close to call. Nigeria’s 56.1% Muslim share is modelled because the country hasn’t asked about religion in a census since 1963.
The map’s two biggest cells are also its most uncertain. China’s 89.6% religiously unaffiliated share, covering 1.28 billion people, rests on a single survey question about formal religious identity that Pew itself calls a conservative measure of Buddhist and folk practice. India’s 79.4% Hindu share still carries forward figures from the 2011 census, and the country’s 2027 census will recount religion for the first time in 16 years.
For now, New Zealand and Uruguay are the only countries where the largest religious group changed between 2010 and 2020. But with Christianity already below 50% in the UK, Australia, and France, future updates could add more countries to that list.
Note from Rhoda Wilson
An increasing number of people choosing not to follow God (YHWH) is more important than many might like to think.
“Follow my decrees and be careful to obey my laws, and you will live safely in the land. Then the land will yield its fruit, and you will eat your fill and live there in safety.”—Leviticus 25:18-19 (NIV)
“If you follow my decrees and are careful to obey my commands, I will send you rain in its season, and the ground will yield its crops and the trees their fruit. Your threshing will continue until grape harvest and the grape harvest will continue until planting, and you will eat all the food you want and live in safety in your land.”—Leviticus 26:3-5 (NIV)
Apart from missing out on God’s blessings, why should the retreat of Christianity concern us all? In the end of days, the world will become lawless. The lawlessness is not due to disobeying positive or man-made laws but due to disobedience to God. And the more lawless the world is, the closer we are to the end.
“Don’t let anyone deceive you in any way, for that day will not come until the rebellion occurs and the man of lawlessness is revealed, the man doomed to destruction. He will oppose and will exalt himself over everything that is called God or is worshiped, so that he sets himself up in God’s temple, proclaiming himself to be God … now you know what is holding him back, so that he may be revealed at the proper time. For the secret power of lawlessness is already at work; but the one who now holds it back will continue to do so till he is taken out of the way. And then the lawless one will be revealed, whom the Lord Jesus will overthrow with the breath of his mouth and destroy by the splendour of his coming.”—2 Thessalonians 2: 3-4 and 6-8 (NIV)
“The man of lawlessness” is the anti-Christ, who will be crowned as King of the World and will usurp the power and control from the One World Government to rule the world as a cruel and evil dictator, persecuting anyone who does not bear his mark and worship him as their god.
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