Dewey Decimal Classification - Children's Encyclopedia (Ages 8-11) The Dewey Decimal Classification (DDC) is a system for organizing the contents of a library. It is commonly known as the Dewey Decimal System. It helps people find nonfiction books on any subject in the library.
Top 10 Largest Cities in China. According to the related data and statistics of the 6th nationwide population census, the following cities are the Top 10 largest cities in China by urban resident population (exclude suburban, county and county-level city) in China. No. 1 Shanghai.
Population and Density. China is the most populous country in the world, with 1.27627 billion people at the end of 2001, one fifth of the world s total. This figure does not include the Chinese living in the Hong Kong and Macao special administrative regions, and Taiwan Province.