China, officially the people's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population of over 1.3 billion . The PRC is a single-party state governed by the Communist Party of Chine with its seat of government in the capital city of Beijing . It exercises jurisdiction over 22 provinces, five autonomous regions, four direct-controlled municipalities (Beijing, Tianjin, Shanghai, Shanghai, and Chongqing , and two mostly self-governing special administrative regions (Hong Kong and Macau). The PRC also claims Taiwan which is controlled by the Re-public of Chine (ROC ), Covering approximately 9.6 million square kilometers , China is the world's second-largest country by land area, and the third or fourth largest by total area, depending on the definition of total area. Since the introduction of economic reforms in 1978 , China has become the world's fastest-growing major economy. As of 2012, it is the world'