China's population

With just over 1.3 billion people (1,330,044,605 as of mid-2008), China is the world's largest and most populous country. As the world's population is approximately 6.7 billion, China represents a full 20% of the world's population so one in every five people on the planet is a resident of China. China's population has been slowed though, due to the one child law that was passed in 1979.

China's River System

China's River System

Known as the Nanpan and then the Hongshui in its upper course, the Xi proper begins as it enters Guangdong province from eastern Guangxi autonomous region. It flows east through Guangdong and then through the vast Pearl River delta before entering the South China Sea west of Hong Kong near Macau; the city of Guangzhou (Canton) is in its delta. It is about 1,200 mi (1,930 km) long, shorter than other important Chinese rivers, but its volume of flow is second only to that of the Yangtze River (Chang Jiang). It is the great commercial waterway of southern China, linking the delta cities with the interior