Saudi Arabia is one of the most sparsely populated countries in the world. Its population as of July 2010 is estimated to be 25,731,776 including 5,576,076 non-nationals. Until the 1960s, a majority of the population was nomadic; but presently more than 95% of the population is settled, due to rapid economic and urban growth. As recently as the early 1960s, the Saudi Arabia’s slave population was estimated at 300,000.
Saudi Arabia Population: 27,136,977 (27 million)