NationMaster is a massive central data source and a handy way to graphically compare nations. NationMaster is a vast compilation of data from such sources as the CIA World Factbook, UN, and OECD. Using the form above, you can generate maps and graphs on all kinds of statistics with ease... NationMaster.com
Full profiles provide an instant guide to history, politics and economic background of countries and territories, and background on key institutions.
They also include audio and video clips from BBC archives... BBC Country Profiles
The World Factbook provides information on the history, people, government, economy, geography, communications, transportation, military, and transnational issues for 267 world entities... CIA : The World Factbook