Demographics of Christianity

Christianity is the world’s largest religion, comprising a third of the global population with some 2.3 billion adherents. It is the predominant religion in Europe, the Americas, Sub-Saharan Africa, and Australia. While the rise of secularism in recent decades has led to a drop in Christian numbers in the developed world, particularly Europe, growth in the developing world has outweighed these losses. Roman Catholics account for over half of all Christians worldwide, and the Roman Catholic Church is the dominant form of Christianity in Latin America, Western and Central Europe, and most of Central Africa. It is also the majority religion in the Philippines. Protestantism has about 600 million believers and is the main branch of Christianity in northern Europe, North America, and southern Africa. Eastern Orthodoxy is practiced by around 300 million adherents, dominating the religious landscape of eastern Europe, the Balkans, and Russia.
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