Saudi nationals accounted for 2,800,000 (66 percent) of the population of Riyadh city, with 1,460,000 non-Saudis (34 percent). Males constituted 53 percent of the Saudi population (1,480,500), with females 47 percent (1,391,000). Of the non-Saudi population, there were 918,400 males (63 percent) and 541,600 females (37 percent).
By age, the Saudi population shows 34 percent under 15 years old, and 56 percent under 20 years old. Thirty percent of the Saudi population is between 21 and 40 years old, and only 14 percent over 40 years old. For non-Saudis, 30 percent are under 20, 54 percent are between 21 and 40, and 16 percent are over 40.