Total Population Of World In 2024 Muslim. Indonesia has the highest total. Sunni is the largest sect of islam and is a religion that is followed by as many as 90% of the 1.5 billion muslims around the world.
Looking ahead, the center estimates that by 2050 the number of muslims worldwide will grow to 2.76 billion, or 29.7% of world’s population. Both rates are expected to decline over time.