This section describes the methods used to estimate religious composition at the country level, regionally and globally; our procedures for measuring religious groups’ demographic characteristics and their religious “switching” rates; as well as methodological challenges that we considered in some countries. The final section lists the 201 countries and territories that make up each of […]
Christians remain the largest religious group, and Muslims grew the fastest from 2010 to 2020. Read how the global share of Buddhists, Hindus, Jews and the religiously unaffiliated changed.
In many places surveyed, 20% or more of all adults have left their childhood religious group. Christianity and Buddhism have had especially large losses.
This report was produced by Pew Research Center as part of the Pew-Templeton Global Religious Futures project, which analyzes religious change and its impact on societies around the world. Funding for the Global Religious Futures project comes from The Pew Charitable Trusts and the John Templeton Foundation (grant 62287). Find related reports online at https://www.pewresearch.org/globalreligiousfutures. This […]