This report was produced by Pew Research Center as part of the Pew-Templeton Global Religious Futures project, which analyzes religious change and its impact on societies around the world. Funding for the Global Religious Futures project comes from The Pew Charitable Trusts and the John Templeton Foundation.

This report is a collaborative effort based on the input and analysis of the following individuals:

Primary Researcher

Conrad Hackett, Demographer

Contributing Researchers

David McClendon, Research Associate
Anne Fengyan Shi, Research Associate

Research Team

Alan Cooperman, Director of Religion Research
Caryle Murphy, Senior Writer/Editor
Besheer Mohamed, Senior Researcher
Juan Carlos Esparza Ochoa, Data Manager
Becka A. Alper, Research Associate
Angelina E. Theodorou, Research Analyst
Kelsey Jo Starr, Research Assistant

Editorial and Graphic Design

Sandra Stencel, Associate Director, Editorial
Michael Lipka, Editor
Aleksandra Sandstrom, Copy Editor
Bill Webster, Information Graphics Designer
Diana Yoo, Art Director
Timmy Huynh, Advanced Analytics Intern

Communications and Web Publishing

Stacy Rosenberg, Digital Project Manager
Travis Mitchell, Digital Producer
Anna Schiller, Communications Manager
Stefan S. Cornibert, Communications Associate

Others at Pew Research Center who gave valuable feedback on this report include Claudia Deane, Gregory A. Smith, Kim Parker, Neha Sahgal, Steve Schwartzer, Richard Wike, Katie Simmons and Jacob Poushter.

Pew Research Center received very helpful advice and feedback on this report from Benjamin Beit-Hallahmi, emeritus professor in the Department of Psychology, University of Haifa; Landon Schnabel, sociology doctoral candidate, Indiana University-Bloomington; David Voas, professor and head of the Department of Social Science, University College London; and Linda Woodhead, professor in the Department of Politics, Philosophy and Religion, Lancaster University.

While the analysis was guided by our consultations with the advisers, Pew Research Center is solely responsible for the interpretation and reporting of the data.