Singapore

Singapore is a world leader in several economic areas: The country is the world's fourth leading financial centre,^[86] the world's second-biggest casino gambling market,^[87] one of the world's top three oil refining centres, the world's largest oil-rig producer, and a major ship-repairer.^[88][89][90] The port is one of the five busiest ports in the world.^[87] The World Bank has named Singapore as the easiest place in the world to do business^[87] and ranks Singapore the world's top logistics hub.^[91] It is also the world's fourth largest foreign-exchange trading centre after London, New York and Tokyo.[9