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
Cardiovascular disease in China difficulties in ascertaining cause of death in places where 90% die without seeing a doctor. Therefore, there is a need to ascertain the real incidence and prevalence of heart disease and to develop adequate preventive and primary care in the Chinese countryside. Stroke is the largest cardiovascular killer in China at about 40% of total mortality in 2007 (approx. 280 per 100 000) Cardiovascular disease in China Cardiac disease in China is on the rise. Though incidences of heart disease have increased faster in the city than in the countryside, rural morbidity and mortality rates are now on the rise