Introduction to the United States
America.gov
Web portal by the U.S. Department of State, Bureau of International Information Programs (IIP)
America.gov is an authoritative resource for foreign audiences seeking information and informed commentary on American society, culture, and politics.
The World Factbook: United States
CIA publication
Basic facts about the country.
Portrait of the USA
Electronic publication by the U.S. Department of State
Brief reviews of the following topics: people; geography; history; government; business; education; science and medicine; religion; social services; the arts; sports and entertainment; and the media.