Theology

A comprehensive demographic study of more than 200 countries 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

An exploration of religious groups in the U.S. by tradition, family and denomination.

A Pew Research Center analysis looks at beliefs and behaviors that cut across many denominations producing a new and revealing classification, or typology, of religion in America.

2018 report

Data from 2000 and 2010 by ARDA.

Data on religious communities in the US and around the world.