9Cairo, Egypt
The population of Cairo in 2016 was 19,128,000. The world knows Cairo as the heart of ancient Egyptian culture where you can witness a slice of erstwhile Egyptian life in the forms of the famous Pyramids of Giza. Don’t go by the photographs of a sparsely populated desert filled with pyramids. The city of Cairo is densely populated. One visit to its bustling markets and you’ll know how crowded it can get here.
