Demographic StudyApril 2, 2015

The Future of World Religions: Population Growth Projections, 2010-2050

As of 2010, nearly a third of the world’s population identified as Christian. But if demographic trends persist, Islam will close the gap by the middle of the 21st century.

Polling and AnalysisFebruary 28, 2011

Resources on the Future of the Global Muslim Population

Explore the Future of the Global Muslim Population report and related resources.

InteractivesJanuary 27, 2011

Map: The Future of the Global Muslim Population

A new Pew Forum report on the size, distribution and growth of the global Muslim population finds that the world’s Muslim population is expected to increase by about 35% in the next 20 years, but it is expected to grow at a slower pace in the next two decades than it did in the previous two decades.

Demographic StudyJanuary 27, 2011

The Future of the Global Muslim Population

A new Pew Forum report on the size, distribution and growth of the global Muslim population finds that the world’s Muslim population is expected to increase by about 35% in the next 20 years, but it is expected to grow at a slower pace in the next two decades than it did in the previous two decades.

Demographic StudyOctober 7, 2009

Mapping the Global Muslim Population