fact sheet | Jan 11, 2012

In Brief: Hosanna-Tabor v. EEOC

The Court’s Unanimous Decision On Jan. 11, the Supreme Court issued a ruling in a significant church employment dispute, giving religious organizations wide latitude in hiring and firing clergy and other employees who perform religious duties. In its unanimous decision, the high court explicitly recognized a legal doctrine known as the “ministerial exception.” Lower courts […]

report | Jan 4, 2012

Religion and the 2012 Iowa Republican Caucuses

Polling conducted as voters entered the 2012 Iowa caucuses shows a clear split between born-again evangelical Christians, who favored Rick Santorum, and other voters, who favored Mitt Romney.

feature | Dec 19, 2011

Table: Christian Population in Numbers by Country

View as: Numbers | Percent of All Christians | Percent of Total Population Country Estimated 2010 Christian Population Estimated 2010 Catholic Population Estimated 2010 Protestant Population Estimated 2010 Orthodox Population Estimated 2010 Other Christian Population Estimated 2010 Total Population Afghanistan 30,000 < 10,000 30,000 < 1,000 < 1,000 31,410,000 Albania 580,000 330,000 < 10,000 240,000 […]

report | Dec 19, 2011

Table: Christian Population as Percentages of All Christians by Country

View as: Numbers | Percent of All Christians | Percent of Total Population Country Percentage of 2010 Christian Population that is Catholic Percentage of 2010 Christian Population that is Protestant Percentage of 2010 Christian Population that is Orthodox Percentage of 2010 Christian Population that is Other Christian Percentage of 2010 Christian Population that is Christian […]

report | Dec 19, 2011

Table: Christian Population as Percentages of Total Population by Country

View as: Numbers | Percent of All Christians | Percent of Total Population Country Percentage of 2010 Population that is Catholic Percentage of 2010 Population that is Protestant Percentage of 2010 Population that is Orthodox Percentage of 2010 Population that is Other Christian Percentage of 2010 Population that is Christian Afghanistan < 0.1% < 0.1% […]

feature | Dec 19, 2011

Quiz: How much do you know about Christianity around the world?

A comprehensive demographic study finds that there are 2.18 billion Christians of all ages around the world, representing nearly a third of the estimated 2010 global population of 6.9 billion. Christians are also geographically widespread, and no single region can indisputably claim to be the center of global Christianity.

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Signature Reports

data essay | Dec 21, 2022

Key Findings From the Global Religious Futures Project

The Global Religious Futures (GRF) project is jointly funded by The Pew Charitable Trusts and The John Templeton Foundation. Here are some big-picture findings from the GRF, together with context from other Pew Research Center studies.

report | Jun 29, 2021

Religion in India: Tolerance and Segregation

Indians see religious tolerance as a central part of who they are as a nation. Across the major religious groups, most people say it is very important to respect all religions to be “truly Indian.”

report | Feb 16, 2021

Faith Among Black Americans

Today, most Black adults say they rely on prayer to help make major decisions, and view opposing racism as essential to their religious faith.

report | May 12, 2015

America’s Changing Religious Landscape

The Christian share of the U.S. population is declining, while the share of Americans who do not identify with any organized religion is growing. These changes affect all regions in the country and many demographic groups.

Features