Singapore consists of the island of Singapore plus an additional 63 islets. The main island is approximately 42kms from west to east, and 23km from north to south. Singapore is located at the tip of the Malay Peninsula.
Singapore is the world's fourth-leading financial centre, and its port is one of the five busiest ports in the world. The economy depends heavily on exports and refining imported goods, especially in manufacturing, which constituted 26% of Singapore's GDP in 2005. In terms of purchasing power parity, Singapore has the third-highest per capita income in the world.