About The World Christian Database

Citing the database

When citing the database please use the following form for a general citation:

Gina A. Zurlo, ed. World Christian Database (Brill, 2025).

Specific citation

For a specific citation in a publication with a table, or citing specific data points:

Gina A. Zurlo, ed. World Christian Database (Brill, accessed August 2025).

Contact a researcher

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Editor

GINA A. ZURLO, PH.D.

Gina A. Zurlo, Ph.D. Gina A. Zurlo is a Research Associate in World Christianity at Harvard Divinity School (Cambridge, MA, USA). Her research interests include World Christianity, history, sociology of religion, and gender studies. She is the co-author with Todd M. Johnson of the World Christian Encyclopedia, 3rd edition (Edinburgh University Press, 2019). She has recently authored three books: Global Christianity: A Guide to the World’s Largest Religion from Afghanistan to Zimbabwe (Zondervan Academic, 2022); Women in World Christianity: Building and Sustaining a Global Movement (Wiley-Blackwell, 2023); and From Nairobi to the World: David B. Barrett and the Re-Imagining of World Christianity (Brill, 2023). She was named one of the BBC’s 100 most inspiring and influential women of 2019 for her work quantifying religion and non-religion worldwide.