List of religious populations ... This is a list of religious populations by number of adherents and countries. A map of the world, showing the major religions distributed in the world as of today · This article explores how each of these top 10 religions began, why people still follow them, and how their core beliefs about God, the self, and the afterlife continue to shape modern societies. Of the world’s major religions, Christianity is the largest, with more than two billion followers. Christianity is based on the life and teachings of Jesus Christ and is approximately 2,000 years old. · This guide offers an evidence-based ranking of the world’s most practiced religions, focusing on the cultural, historical, and spiritual underpinnings that allow these traditions to resonate with billions of souls. Sunni Islam remains the world’s most professed religion. In fact, the Sunni population now stands at over 1.579 billion, which is nearly 300,000 more than the Roman Catholic Christian religion, now totaling about 1.268 billion people worldwide. Islam, followed by over 1.91 billion people, is the second-largestreligion and is expected to nearly match Christianity's following by 2050. A significant number of people, nearly 1.2 billion worldwide, are unaffiliated with any religion or hold Atheist beliefs, especially in China and Japan. · In our increasingly connected world, knowledge about the diversity of global religions is more important than ever. These faiths not only guide billions of individuals but also influence international relations and cultural trends.