World Population by Religion 2026
About This Dataset
World Population by Religion 2026
Share of the world population by religious affiliation. "Unaffiliated" covers atheists, agnostics and people with no religion, some of whom still hold religious beliefs, and every figure rests on self-identification in censuses and surveys rather than on attendance or practice.
Analysis
Christianity is the largest group at 28.8% of the world population, 3.2 points ahead of Islam on 25.6%. The two largest religions together account for 54.4%. The unaffiliated are the 3rd-largest group at 24.2%, ahead of every religion except the top two. The six categories here sum to 100.0%.
Key Findings
🏆
Christianity leads in Share of World Population (%) with 28.80 in 2026.
📊
Average Share of World Population (%) in 2026: 17 · median: 20.
↔️
Gap in 2026: Christianity is 12× larger than Other religions.
Data Insights
Numbers, trends & sources behind this chart
Methodology & source
- Data source
- Wikipedia, List of religious populations
- Coverage
- 6 entities · 2026 · 6 observations
- Measure
- Share of World Population (%)
- Last updated
- 7 September 2026
- Compiled by
- The ANYSTAT team, from the source above
How the figures are calculated
- Values are shown as reported by the source. Nothing is rescaled, rebased or converted — the only changes are thousand separators and decimals shown to two places.
- Entities are ranked highest-first on their value in 2026.
Data Sources & References
All external sources cited in this dataset
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