Egyptian Christians, also known as Copts (4 letters) and Coptic (6 letters), are members of the Christian faith who live in Egypt. They are one of the oldest Christian communities in the world, having been present in Egypt since the 1st century AD. Coptic is the liturgical language of the Coptic Church, which is the main Christian denomination in Egypt. Coptic Christians make up about 10% of the population of Egypt.