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Reference                                
General Authority for Statistics Kingom of Saudi Arabia
"Population in Riyadh region* by gender, age group, and nationality (Saudi only)"
*Mostly populated by the city of Riyadh                                
Retrieved October 14, 2021, from here                             
                                
Retrieved October 27, 2023                                
https://www.stats.gov.sa/en/1007-0

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Retrieved October 14, 2021, from here