100
5 million see http://www.wolframalpha.com/input/?i=population+arabia
Riyadh Saudi Arabia's population of 2010 is 27,136,977.
About 25,731,776.
Indonesia has the largest Muslim population.
The population of Medina, Saudi Arabia is (according to wikipedia) 1,300,000.
The current population of Saudi Arabia is 29.9 million people. The population density is 39.5 people per square mile, and the life expectancy is 75.5 years.
The population of Saudi Arabia is estimated to be 28.29 million. Saudi Arabia is the 43rd most populated country in the world.
Over 27 million people
26 million
about 300,000 or so.
desert
egypt