Evangelical Protestants are approximately 665 million in the world at the beginning of the year 2021, according to this annual global statistical overview I am glad to share with you.
This release also gives the opportunity to highlight some of recent published research. Books have been slightly less numerous in 2020 ("Covid19 effect" was felt on the the last semester).
The data in PDF are available here (link) and they are presented in video below via Youtube.
This one is in french but I'd love some day to do one in english. To be followed....