Adherents Band

This page groups religions by the rough size of their following, from faiths with a handful of adherents to the few traditions that dominate world population. Wikipedia notes that the four largest religious groups, Christianity, Islam, Buddhism and Hinduism, together "account for 5.8 billion people and 73% of the population." Browsing by size lets a visitor see how a small or newer movement compares in scale to a religion counted in the billions.