“The crown prince ultimately wants to transform Riyadh into a greener, more hospitable city with twice its current population of around 8 million by 2030. Given the short timeframe to reach the ambitious demographic target, expatriates are likely to constitute the bulk of any rapid population growth.” 

Robert Mogielnicki, Senior Resident Scholar, Arab Gulf States Institute in Washington (AGSIW), Major Initiatives Fuel Riyadh’s Development Ambitions [AGSIW]