Egypt has an area of 1.02 million square kilometers. Egypt is a country in northeastern Africa 's most populous. Cairo is Egypt's capital. Egyptian population mainly living on both banks of the Nile River (about 40,000 square kilometers ) and Suez most parts of the country as part of the Sahara desert . And there are sparsely inhabited. Big cities of Egypt is Cairo, Alexandria and Giza . Egyptians, mostly Muslims. Egypt has a population of 78 million people in tropical, The average population density across the country about 75.68 people / sq Km.