Find how many people identify with each religious group and what percent each made up in 201 countries and territories, and by region, in 2010 and 2020.
In many places surveyed, 20% or more of all adults have left their childhood religious group. Christianity and Buddhism have had especially large losses.
At least 80% of Catholics have expressed a favorable opinion of Pope Francis in 10 of the 15 U.S. surveys in which we have asked about the pope since 2013.