Christian Denomination Statistics

Christian denomination statistics vary by source because datasets use different definitions (for example, “affiliated,” “baptized,” “self-identified,” and whether movement labels like “evangelical” or “Pentecostal/charismatic” are treated as denominational categories or cross-denominational networks). Below is a practical snapshot using commonly cited global and U.S. benchmarks.

Christian Denomination Statistics (Top Highlights)

• Estimated 2,645,317,000 Christians worldwide (2025) in a global snapshot table that aggregates many traditions.
• 2025 global tradition headcounts in that snapshot: Catholics 1,272,775,000; Protestants 628,862,000; Independents 409,425,000; Orthodox 291,580,000; Unaffiliated Christians 151,494,000.
• Estimated 50,000 denominations/rites worldwide (2025) (up from 44,700 in 2020).
• Estimated 4,400,000 Christian congregations worldwide (2025).
• Estimated 663,863,000 Pentecostals/charismatics and 420,040,000 evangelicals worldwide (2025), with overlap expected.
• In the United States, 62% of adults identify as Christian (40% Protestant, 19% Catholic, 3% other Christian) in a large 2023–24 national study.

Global Christian Traditions (2025)

This chart shows major tradition categories from a widely used global snapshot. These are classification-based headcounts and are best read as tradition-scale totals, not as a perfect “slices of one pie” breakdown.

Chart: Largest Christian Traditions Worldwide (2025)

Max = 1,272,775,000. Widths: Catholics 100.00%, Protestants 49.41%, Independents 32.17%, Orthodox 22.91%, Unaffiliated Christians 11.90%.

How Many Christian Denominations Are There?

“Denominations” can be counted in different ways (distinct communions, national branches, independent networks, and rites). One global snapshot estimate puts Christianity at 50,000 denominations/rites in 2025 (up from 44,700 in 2020) and roughly 4.4 million congregations worldwide.

Pentecostal/Charismatic and Evangelical Christians (2025)

Some of the biggest “denomination” numbers are actually movement-style categories that overlap with many churches and traditions. The same global snapshot estimates 663,863,000 Pentecostals/charismatics and 420,040,000 evangelicals worldwide in 2025 (overlap expected).

Chart: Global Movement-Style Categories (2025)

Max = 663,863,000. Widths: Pentecostals/Charismatics 100.00%, Evangelicals 63.27%.

United States Christian Denomination Statistics (2023–24)

In U.S. survey data, “denomination” is typically measured by self-identification. A major 2023–24 national study reports that 62% of U.S. adults identify as Christian, including 40% Protestant, 19% Catholic, and 3% other Christian.

Chart: U.S. Adults by Major Christian Tradition (2023–24)

Max = 40%. Widths: Protestant 100.00%, Catholic 47.50%, Other Christian 7.50%.

Sources

• Center for the Study of Global Christianity (Gordon-Conwell Theological Seminary), Status of Global Christianity, 2025, in the Context of 1900–2050 (tradition totals, denominations/rites, congregations, and movement estimates).
• Pew Research Center, 2023–24 Religious Landscape Study: Executive summary (U.S. Christian identification totals and major tradition shares).
• Pew Research Center, How the Global Religious Landscape Changed From 2010 to 2020 (global population-share context and regional shifts).