Languages of Egypt
Arabic came to Egypt in the 7th century, and Egyptian Arabic has become the modern spoken language of the Egyptians, is understood by almost all Egyptians and is based on Egyptian Coptic grammar. In southern Egypt, Saidi Arabic is the main spoken language for most non-urbanized people. Of the many varieties of Arabic, Egyptian Arabic is the most widely understood first dialect in the Middle East-North Africa, probably due to the influence of Egyptian cinema throughout the Arabic-speaking world.
Demographics of Egypt
Arabic is the official language of Egypt, with the vast majority of Egyptians speaking Egyptian Arabic. In The Upper Nile valley, Sa'idi Arabic is prevalent. The Coptic language is used in the Coptic church for the majority of prayers, hymns, masses, and meditations. 
English widely understood as well as French.
Siwa language used in ethnic Berber tribal areas in the western desert (Siwa), and Nubian language is widely used among the ethnic Nubians in the southern areas.