The economy of Singapore is a highly developed mixed market economy with dirigiste characteristics. Singapore's economy has been consistently ranked as the most open in the world, the joint 4th-least corrupt, and the most pro-business. Singapore has low tax-rates and the highest per-capita GDP in the world in terms of purchasing power parity (PPP). The Asia-Pacific Economic Cooperation (APEC) is headquartered in Singapore.

The Singapore dollar is the official currency of the Republic of Singapore. It is divided into 100 cents. It is normally abbreviated with the dollar sign $, or S$ to distinguish it from other dollar-denominated currencies. The Monetary Authority of Singapore (MAS) issues the banknotes and coins of the Singapore dollar.