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Religious Affiliation

Individuals identify with particular religious traditions for theological, doctrinal, cultural or other reasons. Explore Pew Forum publications—including public opinion polls, demographic reports, research studies, event transcripts and interviews—about various faiths and their members.

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The Global Religious Landscape
A country-by-country analysis of data from more than 2,500 censuses, surveys and population registers finds that 84% of adults and children around the globe are religiously affiliated. The study also finds that the median age of two major groups – Muslims (23 years) and Hindus (26) – is younger than the world’s overall population (28), while Jews have the highest median age (36).

 

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GRAPHIC April 30, 2013
Infographic: The World’s Muslims: Religion, Politics and Society
A new survey report looks at attitudes among Muslims in 39 countries on a wide range of topics, from science to sharia, polygamy to popular culture. An infographic highlights key findings from the report.
GRAPHIC April 11, 2013
American Hindus To Celebrate a New Year
While the date of the Hindu New Year varies by region and custom, many Hindus celebrate in mid-April at home and in temples. According to a 2012 survey of Asian Americans, 85% of Asian American Hindus attend worship services at a temple at least a few times a year, and 78% have a religious shrine in their home.
GRAPHIC March 26, 2013
U.S. Christians’ Views on the Return of Christ
Easter is one of the most important religious holidays of the year for many Christians – a time to celebrate the Resurrection of Jesus Christ. According to a 2010 Pew Research Center survey, roughly half (48%) of Christians in the U.S. say they believe that Christ will definitely (27%) or probably (20%) return to earth in the next 40 years. Somewhat fewer (38%) say this definitely will not happen (10%) or probably will not happen (28%).
GRAPHIC March 20, 2013
Israel and the U.S. are Home to More Than Four-Fifths of the World’s Jews
U.S. President Barack Obama is scheduled to visit the Middle East from March 20-23. He will spend much of the time in Israel, home to 41% of the world’s Jews. Another 41% of the world’s Jewish population lives in the United States, according to Pew Research Center estimates.
GRAPHIC March 13, 2013
Conclave Elects Pope Francis
Pope Francis was elected on Wednesday as the new leader of the Roman Catholic Church. Cardinal Jorge Mario Bergoglio hails from Argentina and becomes the first Latin American pontiff. According to Pew Research Center data on the distribution of the world's Catholic population, the largest share of the Catholic population (39%) lives in Latin America and the Caribbean.
GRAPHIC March 8, 2013
Geography of the Conclave: Where Do the Cardinals Come From?
The conclave to elect the next pope will begin on Tuesday, March 12. Half of the cardinal electors gathering at the Vatican are European (52%), while 17% come from Latin America. Latin America has the largest share of the world's Catholic population (39%), while 24% of Catholics live in Europe. 
GRAPHIC November 12, 2012
Catholics’ Views of U.S. Bishops
The U.S. Conference of Catholic Bishops will meet in Baltimore for their annual Fall General Assembly on Nov. 12-15. Seven-in-ten Catholics say they are very (24%) or somewhat satisfied (46%) with the leadership of the American bishops, according to a Pew Research Center Survey.
GRAPHIC September 27, 2012
Controversies Over Mosques and Islamic Centers Across the U.S.
An interactive map shows the locations of 53 proposed mosques and Islamic centers that have encountered community resistance (for both religion- and non-religion-related reasons) in recent years.
GRAPHIC August 30, 2012
Mormonism in the 2012 Election
A new slideshow highlights recent Pew Research Center data on voters’ views of the Mormon religion and Mormons’ opinions on their place in society.
GRAPHIC August 15, 2012
Ramadan Observances Set to End
A new Pew Forum survey of Muslims in 39 countries and territories around the world finds that fasting during Ramadan is widely observed, with a median of 93% of Muslims saying they abstain from food and drink during the day.
GRAPHIC August 9, 2012
The World's Muslims: Unity and Diversity
The world’s Muslims are united in their belief in God and the Prophet Muhammad and are bound together by such religious practices as fasting during Ramadan and almsgiving to assist the needy. But they have widely differing views about other aspects of their faith, including how important religion is to their lives, who counts as a Muslim and what practices are acceptable in Islam.
GRAPHIC August 6, 2012
Catholics’ Views on U.S. Nuns
On Aug. 7, the Leadership Conference of Women Religious, an organization that represents U.S. nuns, will meet in St. Louis to discuss how to respond to recent criticism from the Vatican, the Associated Press reports.  A Pew Research Center survey finds that eight-in-ten American Catholics (83%) are satisfied with the leadership provided by Catholic nuns and sisters.