US EditionIslam Gains Ground Globally as Christian Share Shrinks
- The Pew Research Center released a study on June 9, 2025, analyzing global religious population changes between 2010 and 2020.
- The study found that Islam grew fastest due to high birth rates, migration, and religious switching, while Christianity's global share declined.
- Christianity remained the largest religion with 2.3 billion adherents in 2020, but its population share fell by 1.8 percentage points to 28.8%.
- The Muslim population rose by 347 million to 2 billion worldwide, increasing from 24% to 25.6% of the global population and expanding sharply in North America and Africa.
- These shifts suggest ongoing demographic and migration influences reshape religious compositions, with Islam's growth outpacing others and the religiously unaffiliated also increasing significantly.
49 Articles
49 Articles
The Pew Research Center reported that Muslims are the fastest-growing religious group in the world, increasing by approximately 347 million people between 2010 and 2020.
Population of Muslims growing the fastest in the world, share of Hindus declining: Pew Research
The Muslim population grew by 347 million, which is more than the combined increase in the populations of all other religions. The study shows that one-third of Muslims live in the three countries of India, Pakistan and Indonesia.
Islam tops global religious growth charts, adds 300 million followers in a decade | Factors behind the rise
A new report titled “How the Global Religious Landscape Changed From 2010 to 2020” finds that Islam was the fastest-growing major religion over the decade, expanding by 21% globally, twice the rate of the overall world population. Take a look at the key figures and major factors driving this growth.
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