Numbers, Facts and Trends Shaping Your World

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    Number of Muslims Worldwide Expected to Nearly Equal Number of Christians by 2050; Religiously Unaffiliated Will Make Up Declining Share of World’s Population

    Media Contact: Katherine Ritchey, Communications Manager 202-419-4372, kritchey@pewresearch.org Washington, April 2, 2015 — The religious profile of the world is rapidly changing, driven primarily by differences in fertility rates and the size of youth populations among the world’s major religions, as well as by people switching faiths. Over the next four decades, Christians will continue to […]

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    Middle East-North Africa

    More than nine-in-ten people in the Middle East and North Africa were Muslim as of 2010 (93%), and the share of the region’s population that is Muslim is expected to be slightly higher in 2050 (94%). The Middle East-North Africa region’s Muslim population is expected to grow by 74% from 2010 to 2050, from 317 […]

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    Chapter 1: Importance of Religion and Religious Beliefs

    While religion remains important in the lives of most Americans, the 2014 Religious Landscape Study finds that Americans as a whole have become somewhat less religious in recent years by certain traditional measures of religious commitment. For instance, fewer U.S. adults now say religion is very important in their lives than did so seven years […]

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    North America

    Christians are projected to remain the largest religious group in North America in the decades ahead, and their numbers are expected to increase from 267 million as of 2010 to 287 million in 2050.[1. numoffset=”66″ North America includes Bermuda, Canada, Greenland, the Saint Pierre and Miquelon Islands and the United States. (For the purposes of […]

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    Christians

    The world’s Christian population is expected to grow from 2.2 billion in 2010 to 2.9 billion in 2050.[1. numoffset=”39″ For more information on Christianity and different Christian traditions, see “Defining the Religious Groups.” See also the Pew Research Center’s December 2011 report “Global Christianity: A Report on the Size and Distribution of the World’s Christian […]

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    Human Enhancement

    The scientific and ethical dimensions of striving for perfection

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    Chapter 1: Main Factors Driving Population Growth

    When demographers attempt to forecast changes in the size of a population, they typically focus on four main factors: fertility rates, mortality rates (life expectancy), the initial age profile of the population (whether it is relatively old or relatively young to begin with) and migration. In the case of religious groups, a fifth factor is […]

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    1. Comparisons between Jews in Israel and the U.S.

    The United States and Israel combined are home to an estimated 80% of the world’s Jews. The new survey of Israelis, together with Pew Research Center’s 2013 survey of U.S. Jews, can be used to compare the world’s two largest Jewish populations. Jews in the U.S. and Israel have deep connections. Majorities of Israeli Jews […]

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    Human Enhancement

    The scientific and ethical dimensions of striving for perfection

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    Chapter 4: Social and Political Attitudes

    Overall, more Americans now identify as politically liberal than did so when the Religious Landscape Study was first conducted, while fewer U.S. adults identify themselves as political moderates. Religious “nones” are more likely than those in many Christian traditions to describe themselves as politically liberal; indeed, 39% of religious “nones” now describe themselves as liberals. […]

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