This World Religions pie chart

This World Religions pie chart is sourced from Wikipedia
The Muslim, Hindu, Buddhist and Jewish faiths all feature differences
of faith interpretation, outlook, or practice, which are or similar significance
to the Catholic, Protestant, Orthodox and Other divergences within Christianity.

Trends in adherence to the major World Religions are probably linked to differing rates by which populations are changing in the World's various regions of "prevailing historical religious beliefs" or of the "marked onset of secularism".