- The World Fact Book from the Central Intelligence Agency A total of 165 nations are covered. The World Factbook, a popular CentraIntelligence Agency reference manual, provides a wealth of information on over 260 separate nations and other entities, listed alphabetically. Country entries include information about their Land, Water, People, Government, Economy, Communications, and Defense Forces.
- World Leaders of governments are listed in alphabetical order according to the most commonly used version of each country's name.
- World Atlas
- Time Zones
- World Flags and Pictures
- Test Your Geography
- Countries of the World Each Country Profile provides information on: Geography | Maps | Flag | History | Current ruler | Area | Population | Capital | Largest cities | Languages | Ethnicity/race | Religion | Literacy rate | Economy | Government
- Countries of the World
- World Health Organization During the past decade, health has achieved unprecedented prominence as a key driver of socioeconomic progress, and more resources than ever are being invested in health.
- World Atlas & Map Library