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    2. Projecting U.S. religious groups’ population shares by 2070

    The first half of this chapter provides details on the assumptions and results of each of the four main scenarios. These are not predictions for the future. Rather, projections show what would happen under a number of hypothetical scenarios. Some scenarios are intentionally implausible and meant only to illustrate the impact of different demographic forces. […]

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    Methodology

    The analysis in this report is based on Pew Research Center surveys conducted between 2007 and 2021, including: The 2021 National Public Opinion Reference Survey (NPORS), conducted online and by mail among a nationally representative group of respondents recruited using address-based sampling (ABS). The survey was conducted among 3,937 respondents from May 29 to Aug. […]

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    Religious Composition of India

    All major religious groups in India have shown sharp declines in their fertility rates, limiting change in the country’s religious composition since 1951. Meanwhile, fertility differences between India’s religious groups are generally much smaller than they used to be.

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    2. Son preference and abortion

    Historically, in Indian society, sons have been expected to take care of their aging parents, and men have been the main beneficiaries of inheritance. Meanwhile, married women often live with and support their in-laws. In line with these and other traditions, families have tended to place higher value on – and provide more support to […]

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    1. In 2019, decline in number of countries with ‘very high’ government restrictions, social hostilities involving religion

    CORRECTION (Dec. 19, 2025): Two charts and some of the text in Chapter 1 have been corrected with updated SHI figures. Refer to the errata page for details.  Countries with the most extensive government restrictions on religion Government restrictions on religion vary from country to country, and some countries have much higher scores on the Government Restrictions […]

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    Modeling the Future of Religion in America

    Since the 1990s, large numbers of Americans have left Christianity to join the growing ranks of U.S. adults who describe their religious identity as atheist, agnostic or “nothing in particular.” If recent trends in religious switching continue, Christians could make up less than half of the U.S. population within a few decades.

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    1. Religious beliefs about Earth and the environment

    Many Americans view the Earth in religious terms in at least some way. For example, seven-in-ten say the Earth is sacred, including 43% who say this is the case because God created it. Even among religiously unaffiliated Americans, two-thirds say the Earth is sacred, although they are much more likely to attribute this to the […]

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    1. Religious freedom, discrimination and communal relations

    Indians generally see high levels of religious freedom in their country. Overwhelming majorities of people in each major religious group, as well as in the overall public, say they are “very free” to practice their religion. Smaller shares, though still majorities within each religious community, say people of other religions also are very free to […]

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    5. Religious identity

    The vast majority of Indians identify with six major religious groups: Hindus, Muslims, Christians, Sikhs, Buddhists and Jains. In this report, respondents are often categorized accordingly, based on their answers to a question about their religious identity. But the survey also finds that for most members of these six groups, these identities are not only […]

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