The most widely practiced religion in the world is Christianity. With over 2 billion adherents, it encompasses a diverse range of denominations, including Roman Catholicism, Protestantism, and Eastern Orthodoxy. Christianity is based on the life and teachings of Jesus Christ, who is considered the Son of God and the savior of humanity by believers. The religion emphasizes principles of love, compassion, and forgiveness, and its followers are found across every continent. Major Christian holidays such as Christmas and Easter are celebrated globally.