After Christianity, which two religious traditions have the greatest number of adherents globally?

The answer is Islam and Hinduism, as these two traditions have the next highest number of adherents following Christianity on a global scale. Islam is the second-largest religious tradition in the world, with over a billion followers, and it is growing rapidly in various regions, particularly in Asia and Africa. Hinduism, while primarily practiced in India and Nepal, also has a significant number of followers, making it one of the major world religions.

Choosing this answer reflects an understanding of the distribution of religious populations around the globe, where both religions have firmly established communities and values. The considerable number of adherents to Islam and Hinduism illustrates their influential roles in shaping cultural and social dynamics in their respective regions and beyond.