Webliography

Census Data

Historical United States Census Data Browser
Describes the people and the economy of the US for each state and county from 1790 to 1960.

Pop Clocks
An up to the second count of U.S. and World Populations

Population Index on the Web
Index of population related material

U.S. Census Bureau Homepage
The official site with many useful census links.

UNICEF Statistics
Country-bycountry break-down of basic economic data.