Christianity by country to exceed 3 billion. Many charismatic movements are growing in Africa, Latin America, Muslim world, and Asia. Other religions: General: Christianity by country Christianity is the predominant religion in Europe, Russia, North America, South America, the Philippines, East Timor, Southern Africa, Central Africa, East Africa, and Oceania. There are also large Christian communities in other parts of the world, such as Indonesia, Central Asia, and the Middle East, where Christianity is the second-largest religion after Islam. The United States has the largest Christian population in the world, followed by Brazil and Mexico. Christianity in multiple forms is the state religion
Muslim world The Organisation of Islamic Cooperation (OIC) is an inter-governmental organization grouping fifty-seven states. 49 are Muslim-majority countries, the others have significant Muslim minorities. The organization claims to be the collective voice of the Muslim world to safeguard the interest and ensure the progress and well-being of their peoples and those of other Muslims in the world over. Muslim world The terms Muslim world and Islamic world commonly refer to the unified Islamic community (Ummah), consisting of all those who adhere to the religion of Islam, or to societies where Islam is practiced. In a modern geopolitical sense, these terms refer