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.
Coptic Orthodox Church in the United States
There are many Coptic Orthodox churches and congregations in the United States. Estimated numbers of adherents, based on church membership, was between 350,000 and 420,000. Based on the estimates of certain Coptic organizations, the number was between 700,000 and one million in 2002. Currently, there are over 200 parishes in the United States that serve the expanding Coptic Orthodox population. The Church does have a large population when compared to other smaller Christian bodies, yet is among one of the least known Christian Churches and the least known large Orthodox bodies.