Egypt is 5.1 times larger than South Dakota (USA).
Area: 1,001,450 km2 World Factbook
Population: 86,895,099 (July 2014) World Factbook
Egypt, officially: the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia, via a land bridge formed by the Sinai Peninsula. Wikipedia
South Dakota is a state located in the Midwestern region of the United States. It is named after the Lakota and Dakota Sioux Native American tribes. South Dakota is the 17th most extensive, but the 5th least populous and the 5th least densely populated of the 50 United States. Wikipedia