The UAE is a federation of seven emirates located in the Persian Gulf. It has a high GDP per capita and a growing economy focused on business, trade, tourism, and oil/gas exports. The population is around 4.8 million, with only 20% Emirati citizens and the rest expatriate workers. The government is a federation led by hereditary emir rulers, with each emirate having autonomy over local affairs. The economy has diversified beyond oil/gas but these remain important industries and the country possesses large energy reserves.