United Nations
Unpi: World Population Ageing 1950 2050 [Pdf]
Graphically displays the growth of the world's population with projections for 2050. Study's changes in such statistics as median age for particular countries, age demographic shifts, and the disparity between "developed" and...
Central Intelligence Agency
Cia: World Fact Book: Homepage
Sponsored by the CIA, the World Fact Book gives current information about the world's countries and peoples. Includes geography, people, government, economy, communications, transportation, military, and transnational issues sections.
Other
Population Reference Bureau: The World at 7 Billion
This interactive map offers statistical data on population, birth and deaths, life expectancy, HIV/AIDS, family planning, and poverty across the world in 2011. The information is also available as a table for all topics. A fascinating...