Data: Global Christianity
View data on Christians in 232 countries in a series of sortable data tables. View all Christians and each tradition by number, as a percentage of the total Christian population and as a percentage of the overall population.
Map: Global Christianity
Select one of 232 countries, a region or the world to see the size of the Christian population in 2010. Filter data to see the 2010 population of the Christian traditions.
Quiz: How much do you know about Christianity around the world?
Test your knowledge with our short, 10-question quiz, which includes questions on the size and distribution of the 2010 global Christian population.
Database: Directory of Religious Advocacy Organizations
A searchable directory of religious and religion-related organizations in the Washington, D.C. area engaged in activities that seek to affect public policy
Map: The Future of the Global Muslim Population
These maps allow users to select a country, a region or the world – as well as a decade – and see the size of the Muslim population in that place and time.
Quiz: Religious Knowledge Quiz
How much do you know about religion? And how do you compare with the average American? Here’s your chance to find out.
Database: Islam and Christianity in Sub-Saharan Africa
This interactive database allows users to explore public opinion in 19 sub-Saharan African nations on topics ranging from religious beliefs and practices to views on religious extremism and morality.
Infographic: How Religious Is Your State?
Which of the 50 states has the most religious population? See how your state ranks according to the importance of religion in people’s lives, attendance at worship services, frequency of prayer and absolute certainty of belief in God.
Map: Mapping the Global Muslim Population
A collection of interactive maps shows the size and distribution of the 1.57 billion worldwide Muslim population.
Data: Faith in Flux: Reasons for Joining, Reasons for Leaving
Americans change religious affiliation early and often. In total, about half of American adults have changed religious affiliation at least once during their lives.