biggest deserts of the world
Area: 9,400,000 sq.km. Population: 2.5 million people. Population density: o.4/sq. km or less than 1 person per sq mi. Sahara is the largest non-polar desert and the hottest of the sub-tropical deserts in the world. The desert can be estimated nearly as large as USA or China. Sahara covers most of the north-Africa under its belt by bordering with Red Sea, touching Mediterranean coasts to Atlantic shelves.