https://news.gallup.com/poll/642548/church-attendance-declin...
I'm gratified to see that the lizardman coefficient is consistent. In the chart, 2% of "None/Atheist/Agnostic" apparently attends religious services every week.
"The five largest religious groups by world population, estimated to account for 5.8 billion people and 84% of the population, are Christianity, Islam, Buddhism, Hinduism (with the relative numbers for Buddhism and Hinduism dependent on the extent of syncretism), and traditional folk religions."
"The five largest religious groups by world population, estimated to account for 5.8 billion people and 84% of the population, are Christianity, Islam, Buddhism, Hinduism (with the relative numbers for Buddhism and Hinduism dependent on the extent of syncretism), and traditional folk religions."
https://en.wikipedia.org/wiki/Religion#Demographic_classific...