Numbers, Facts and Trends Shaping Your World

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    7. ‘Other religions’ population change

    Baha’is, Jains, Sikhs, Daoists and other groups that Pew Research Center classified as “other religions” combined – grew globally by 12% from 2010 to 2020.

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    Methodology

    The American Trends Panel survey methodology Overview Data in this report comes from Wave 167 of the American Trends Panel (ATP), Pew Research Center’s nationally representative panel of randomly selected U.S. adults. The survey was conducted from April 7 to April 13, 2025. A total of 3,589 panelists responded out of 4,036 who were sampled, […]

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    Appendix A: Adjusting for mode effects when combining telephone surveys and the American Trends Panel

    Since 2018, Pew Research Center’s primary U.S. public opinion source has been online surveys conducted on the nationally representative American Trends Panel. Previously, telephone surveys were the Center’s primary U.S. public opinion source. This transition from telephone to online surveys was necessary for a variety of reasons, including declining cooperation rates by telephone and increasing […]

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    Methodology

    This report is based on two waves of Pew Research Center’s American Trends Panel: ATP Wave 162 conducted Feb. 3-9, 2025, and ATP Wave 170 conducted May 5-11, 2025. The American Trends Panel survey methodology, Wave 162 Overview Most of the data in this report comes from Wave 162 of the American Trends Panel (ATP), […]

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    Methodology

    The American Trends Panel survey methodology Overview Survey data in this report comes from Wave 165 of the American Trends Panel (ATP), Pew Research Center’s nationally representative panel of randomly selected U.S. adults. The survey was conducted from March 10 to March 16, 2025. A total of 9,482 panelists responded out of 10,576 who were […]

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    2. Christian population change

    Christians remain the largest religious group. But they’re shrinking as a share of the global population, as many Christians are leaving religion altogether.