Eastern Orthodoxy by country
Based on the numbers of adherents, the Eastern Orthodox Church (also known as Eastern Orthodoxy) is the second largest Christian communion in the world after the Roman Catholic Church. The most common estimates of the number of Eastern Orthodox Christians worldwide is approximately 200–260 million. The numerous Protestant groups in the world, if taken all together, outnumber the Eastern Orthodox, but they differ theologically and do not form a single communion.
Eastern Orthodoxy in North America
Eastern Orthodoxy in North America represents adherents, religious communities, institutions and organizations of Eastern Orthodox Christianity in North America, including the United States, Canada, Mexico and other North American states. Estimates of the number of Eastern Orthodox adherents in North America vary considerably depending on methodology (as well as the definition of the term "adherent") and generally fall in range from 3 million to 6 million. Most Eastern Orthodox Christians in North America are Russian Americans, Greek Americans, Arab Americans, Ukrainian Americans, Albanian Americans, Romanian Americans and Bulgarian Americans with Americans from other Eastern European countries and growing minorities of converted Americans of Western European, African, Latin American, and East Asian descent.