China begins world's biggest census drive to count its population
China on Sunday began the world's biggest exercise of counting population, which it does once in 10 years. About 70 lakh census takers began door-to-door survey for the seventh census in the country to account for China's population. The census collects data including name, ID number, gender, marital status, education, and profession of Chinese citizens, state-run Xinhua news agency reported.