Catholicism has lost people to religious switching in many countries, while Protestantism has gained in some
Within Christianity, religious switching has affected the two largest subgroups, Catholicism and Protestantism, differently.
Numbers, Facts and Trends Shaping Your World
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Many Latin Americans – especially Protestants – see a role for religion in national leadership, identity and laws
Majorities in Brazil, Colombia and Peru want leaders who stand up for their religious beliefs. Protestants are especially supportive of Christianity in public life.
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Methodology
This Pew Research Center study calculates Religious Diversity Index (RDI) scores for countries, territories and world regions based on the distribution of seven religious categories: Christians, Muslims, Hindus, Buddhists, Jews, adherents of all other religions (an umbrella category) and people with no religious affiliation. The underlying estimates of the size of religious populations were previously […]
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How global energy production is changing, in 6 charts
Fossil fuels still dominate global electricity, but wind and solar are surging. In 2025, renewables outpaced coal worldwide for the first time, supplying 34% of electricity.
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Trading volume on prediction markets has soared in recent months
Prediction market trading volume has risen from under $5 billion monthly in mid 2025 to nearly $24 billion in April 2026, with sports dominating.
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Harassment of religious groups around the world in 2023
Religious groups faced harassment in 192 of 198 countries and territories, matching a previous high from 2022.
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Canadians’ opinions of the U.S. and its president are at or near historic lows
About a third of Canadians (34%) have a favorable opinion of the United States today. This is down 20 percentage points since last year.
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6. Buddhist population change
Buddhism is the only major religion that declined in number globally between 2010 and 2020, mostly due to religious disaffiliation in East Asia and to low birth rates.
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1. Religious affiliation in Latin America
Catholics remain the largest religious group in Argentina, Brazil, Chile, Colombia, Mexico and Peru, while second-largest groups vary.
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How the Global Religious Landscape Changed From 2010 to 2020
Christians remain the largest religious group, and Muslims grew the fastest from 2010 to 2020. Read how the global share of Buddhists, Hindus, Jews and the religiously unaffiliated changed.