This article needs to be
updated. The reason given is: The Pew Research Center has just published its new worldwide data for 2020, and revised those for 2010. This article should be entirely updated accordingly:
https://www.pewresearch.org/religion/2025/06/09/how-the-global-religious-landscape-changed-from-2010-to-2020/ ;
https://www.pewresearch.org/religion/feature/religious-composition-by-country-2010-2020/.
Please help update this article to reflect recent events or newly available information. (June 2025)