This report was produced by the Pew Research Center’s Forum on Religion & Public Life.

The Pew Research Center is a nonpartisan fact tank that provides information on the issues, attitudes and trends shaping America and the world. The center conducts public opinion polling, demographic studies, content analysis and other empirical social science research. It does not take positions on policy issues. The Pew Forum on Religion & Public Life is a project of the Pew Research Center; it delivers timely, impartial information on the issues at the intersection of religion and public affairs in the U.S. and around the world. The Pew Research Center is an independently operated subsidiary of The Pew Charitable Trusts.

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

Primary Researchers
Conrad Hackett, Demographer
Brian J. Grim, Senior Researcher and Director of Cross-National Data

Pew Forum
Luis Lugo, Director

Alan Cooperman, Associate Director, Research
Juan Carlos Esparza Ochoa, Data Manager
Chris Gao, Database Consultant
Phillip Connor and Anne Fengyan Shi, Research Associates
Noble Kuriakose, Research Analyst

Sandra Stencel, Associate Director, Editorial
Diana Yoo, Graphic Designer
Tracy Miller, Editor
Hilary Ramp, Assistant Editor

Communications and Web Publishing
Erin O’Connell, Associate Director, Communications
Stacy Rosenberg, Digital Project Manager
Liga Plaveniece and Jemila Woodson, Communications Associates
Joseph Liu, Web Producer

Collaborating Researchers
Marcin Stonawski, Vegard Skirbekk and Michaela Potančoková, Age and Cohort Change Project, International Institute for Applied Systems Analysis (IIASA)
Guy Abel, Vienna Institute of Demography, Austrian Academy of Sciences

Pew Research Center
Andrew Kohut, President
Paul Taylor, Executive Vice President
Elizabeth Mueller Gross, Vice President
Jessica Tennant, Informational Graphics Designer