Basic encyclopedic information from the CIA about countries around the world, such as history, people, politics, geography, and more. CIA World Factbook has information on the percent of different ethnic groups within individual nations.
Search by topic across hundreds of datasets. Browse by data producer. Good for determining who has collected the data or statistics. Note: use Firefox, Safari, or IE. Does not work in Chrome due to Java problems.
A massive central data source enabling users to graphically compare nations. NationMaster is a vast compilation of data from such sources as the CIA World Factbook, UN, and OECD. Features include interactively generated maps and graphs (including country rankings) for statistics covering several hundred categories.