While the world’s population is projected to grow 32% in the coming decades, the number of Muslims is expected to increase by 70% – from 1.8 billion in 2015 to nearly 3 billion in 2060.
Each year, millions of Shia pilgrims visit the shrine of one of their most revered figures – Hussein, the Prophet Muhammad’s grandson. While Ashura is sacred for all Muslims, it is especially important to Shias, illustrating some of the differences between Shia and Sunni Muslims.
The annual Muslim hajj (pilgrimage) to Mecca is underway, and more than a million pilgrims already have entered Saudi Arabia from abroad. These are five important facts about the hajj.