ReligionMarch 8, 2012

Faith on the Move

There are an estimated 214 million people who have migrated across international borders as of 2010. Almost half of the migrants are Christians while a little over a quarter of them are Muslims. The vast majority end up immigrating to a relatively few areas — North America, Europe, Australia and the Arab states of the Persian Gulf.

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ReligionMarch 8, 2012

Map: Faith on the Move

Select one of 231 countries or the global view and choose “into” or “out of” to see a snapshot of how many people have migrated to and from the country as of 2010.

ReligionDecember 19, 2011

Global Christianity

Christians make up about the same proportion of the world’s population today as they did a century ago, but there has been a momentous shift in where they live.

Pew Research CenterFebruary 23, 2011

Does the Census double count “snowbirds”?

Senior research staff answer questions from readers relating to all the areas covered by our seven projects, ranging from polling techniques and findings, to media, technology, religious, demographic and global attitudes trends.

ReligionJanuary 27, 2011

The Future of the Global Muslim Population

The world’s Muslim population is expected to increase by about 35% in the next 20 years, rising from 1.6 billion in 2010 to 2.2 billion by 2030, according to new population projections by the Pew Research Center’s Forum on Religion & Public Life. Globally, the Muslim population is forecast to grow at about twice the rate of the non-Muslim population over the next two decades.

ReligionDecember 6, 2010

Muslim Networks and Movements in Western Europe

Scholars discuss the purpose and findings of a major study that examines several of the oldest, largest and most influential Muslim groups operating in Western Europe today many of which are virtually unknown to non-Muslims.

ReligionSeptember 15, 2010

Muslim Networks and Movements in Western Europe

The Muslim population in Western Europe has grown from less than 10 million in 1990 to approximately 17 million. A new report profiles some of the oldest, largest and most influential religious networks and movements affecting Islamic relations in Europe.

GlobalJanuary 12, 2010

Widespread Anti-Immigrant Sentiment in Italy

Eight-in-ten Italians say they would like to to see tighter restrictions on immigration in a 2009 survey. Italians were also more likely than any other public included in a 47-nation survey conducted in 2007 to see immigration as a big problem.

ReligionOctober 7, 2009

Mapping the Global Muslim Population

A comprehensive demographic study of more than 200 countries finds there are 1.57 billion Muslims of all ages living in the world today, representing 23% of an estimated 2009 world population of 6.8 billion. A series of interactive maps show the size and distribution of the worldwide Muslim population.

HispanicJuly 22, 2009

Mexican Immigrants: How Many Come? How Many Leave?

The flow of immigrants from Mexico to the United States has declined sharply since mid-decade, but there is no evidence of an increase during this period in the number of Mexican-born migrants returning home from the U.S.