World Population 2024 Religion Wise. The only world religion forecasted to experience a decline in adherents up until 2050 is buddhism, due to demographic developments such as aging populations. It provides source material, including censuses and surveys,.

However, population researchers predict that islam will have nearly caught up to christianity by 2050. India, labeled as the world’s spiritual homeland, perhaps due to its rich religious history including the birth of major world religions like hinduism, buddhism, jainism, and sikhism, leads the.