Numbers, Facts and Trends Shaping Your World
Participation in several traditional forms of religious observance has declined in recent years. For example, the share of Americans who say they attend religious services at least once a week has ticked down by 3 percentage points since 2007, as has the share who say they pray every day. These declines are closely connected to […]
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.
The total population in sub-Saharan Africa is expected to grow at a faster pace than in any other region in the decades ahead, more than doubling from 823 million in 2010 to 1.9 billion in 2050. As a result, the two dominant religions in the region – Christianity and Islam – both are expected to […]
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 […]
The number of Muslims around the world is projected to increase rapidly in the decades ahead, growing from about 1.6 billion in 2010 to nearly 2.8 billion in 2050.[1. numoffset=”40″ For more information about Islam and its major branches (Sunni and Shia), see “Defining the Religious Groups.”] Muslims are expected to grow twice as fast […]
Previous research has shown clear differences in the religious identity, beliefs and practices of people from different demographic groups. Young adults tend to be less religiously affiliated than older people. Women tend to be more religiously affiliated than men. There are far more Catholics among Latinos than among people from other racial and ethnic backgrounds. […]
This appendix details the methods used in this study to project changes in the population size and geographic distribution of eight major religious groups from 2010 to 2050. It is organized in five sections. The first section explains how the baseline (2010) religious composition estimates were derived. The second section describes how key input data […]
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 […]
Survey Report As President Obama prepares to address the nation about the militant group ISIS, the public has become more worried about Islamic extremism. Six-in-ten (62%) are very concerned about the rise of Islamic extremism around the world, which is the largest share dating back to 2007. A somewhat smaller majority (53%) is very concerned […]