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).
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.
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.
Evangelical Protestant leaders who live in the Global South generally are optimistic about the prospects for evangelicalism in their countries: 71% expect that five years from now the state of evangelicalism in their countries will be better than it is today. But those who live in the Global North expect that the state of evangelicalism in their countries will either stay about the same (21%) or worsen (33%) over the next five years.
A comprehensive demographic study of more than 200 countries finds that 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.
Once he takes office, President-elect Barack Obama will have to navigate a world that has grown highly critical of the United States. Since 2001, the Pew Global Attitudes Project has documented a decline in America’s international image amid widespread opposition to U.S. foreign policy.
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