How much do you know about religion? And how do you compare with the average American? Here's your chance to find out.
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.
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.
A collection of interactive maps shows the size and distribution of the 1.57 billion worldwide Muslim population.
Americans change religious affiliation early and often. In total, about half of American adults have changed religious affiliation at least once during their lives.