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:     

Research Team

Neha Sahgal, Associate Director of Research          Alan Cooperman, Director of Religion Research Scott Gardner, Senior Researcher Ariana Monique Salazar, Research Analyst Jonathan Evans, Research Analyst   Kelsey Jo Starr, Research Assistant             

Methodology Team

Patrick Moynihan, Associate Director, International Research Methods Danielle Cuddington, Research Analyst Martha McRoy, Research Methodologist Courtney Nelson, Research Assistant

Editorial and Graphic Design

Michael Lipka, Senior Editor Jeff Diamant, Senior Writer/Editor Aleksandra Sandstrom, Copy Editor Bill Webster, Information Graphics Designer

Communications and Web Publishing

Stacy Rosenberg, Associate Director, Digital Travis Mitchell, Digital Producer Anna Schiller, Communications Manager Jessica Pumphrey, Communications Associate       

Others at Pew Research Center who provided research guidance include Michael Dimock, James Bell, Claudia Deane, Gregory A. Smith, Conrad Hackett, Phillip Connor, Anna Dean, Besheer Mohamed, Katayoun Kishi and Stephanie Kramer. Former Pew Research Center staff who contributed to this report include Steve Schwarzer, Gijs van Houten and Angelina E. Theodorou.

Pew Research Center received valuable advice on the questions reported in this survey from: David Voas, professor of social science at University College London; Matthias Koenig, professor in the Institute of Sociology at Georg-August-Universität Göttingen; Patrick Simon, senior researcher at the Institut National d’Études Demographiques; Linda Woodhead, professor in the Politics, Philosophy and Religion department at Lancaster University; Naika Foroutan, professor of social sciences at the Humboldt-Universität zu Berlin; Tuomas Martikainen, director of the Migration Institute of Finland; and Nasar Meer, professor of race, identity and citizenship at the University of Edinburgh.

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