Telecommunications in China pie charts). China's number of Internet users or netizens topped 137 million by the end of 2006, an increase of 23.4% from a year before and 162 million by June 2007, making China the second largest Internet user after the United States. The latest figure (December 2011) have China's internet users exceeding 513 million making it the largest internet user in the world. As of 2004, the largest concentration of Internet users were from Guangdong, Zhejiang, Fujian, Jiangsu, Liaoning, Shandong and Hubei provinces. Beijing, Shanghai and Tianjin also had a high concentration of Internet users, with 28% of Beijing's population
Land use in China in western China. The rail network is expanding nationwide to connect most cities with populations of at least 200,000. Land use in China China is experiencing massive land use changes and impacts to the environment due to an unprecedented period of economic growth, which has catapulted it from one of the world’s poorest countries 30 years ago to the world’s second largest economy today. Based on trends in economic development, population growth, and land use, China’s natural landscape will experience significant and increasing pressures well into the future. China has four times the population of the U.S., within roughly the