You may connect to an anonymous ftp service for data file retrieval. The China Dimensions Data Collection provides guides for and access to a rich collection of data resources on the People's Republic of China. The database maps populations of either 20 minutes of latitude by 30 minutes of longitude for developing countries or 5 minutes by 7.5 minutes for developed countries. You may refer to the Dataset Guide for Global Population Database for a detailed description of the database and information on how to access it. The Gridded Population of the World Global demographic dataset providing consistent population estimates referenced to a grid of 2.5 x 2.5 minute latitude-longitude quadrilaterals for 1990 and 1995.
Collection includes maps, documentation and data for on-line viewing and downloading.
The Dataset Guide for the Georeferenced Population Data Sets of Mexico presents a detailed discussion of the database and information on how to access it. The coverages for the coterminous US have been permanently taken off-line. Extracts from the five-percent PUMS files can be delivered to users on request. Demographic Data Viewer DDViewer provides rapid data mapping, viewing and analysis to the internet community. It can be applied more widely in combination with other databases, such as for risk analysis with environmental databases, or in business research using the U.S. Census national retail databases.