The Hong Kong dollar (Chinese: 港幣 or HKD) is the currency of Hong Kong. It is the thirteenth most traded currency in the world. On a per-capita basis, Hong Kong has the third highest nominal GDP in the world after the United States and Qatar. The territory has the seventh-highest Human Development Index among the Special Administrative Region (SAR) of China, and also the seventh-highest GDP per capita.Hong Kong is a semi-autonomous territory of China, and one of the world's principal financial centres. Hong Kong's tertiary sector dominated economy is characterised by free market principles. The Hong Kong dollar, is the 13th most traded currency in the world. Hong Kong's freer economy has attracted immigrants including from China and India. Immigrant population now makes up over 3/4 of the population of Hong Kong.
Hong Kong was the first place in Asia to have a modern stock market, known as the Stock Exchange of Hong Kong, which has been in operation since 1891. In 1979, it was officially renamed the Hong Kong Stock Exchange. The exchange is among the world's largest with a market capitalisation of US$.