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 population growth Muslims. According to Pew Research, religious conversion has no net impact on the Muslim population as the number of people who convert to Islam is roughly similar to those who leave Islam. It is often reported from most recent various sources in 2010, including the German domestic intelligence service, that Salafism is the fastest-growing Islamic movement in the world. Though according to the "World Christian Encyclopedia", published in 2001, the fastest-growing branch of Islam is Ahmadiyya. However, many Muslims consider Ahmadi Muslims as either "kafirs" or heretics.<ref> Muslim population growth Muslim population growth refers to the topic of population growth