Statistical Information

This site has a collection of free books published by the RAND organization, a "think tank" supplying analyses for policy development in a wide variety of areas, including child policy, civil and criminal justice, education, environment and energy, health, international policy, labor markets, population and regional studies, science and technology, social welfare, transportation, and especially global security and military issues. Some documents are available in HTML, some in PDF. The database is also searchable by author, title word, or words in the abstract.

Data Planet contains over 10,000 data series—or single data measures over time about U.S. geographies—across 15 high-interest research areas. The data series span as far back as 1969, and are updated on a timely basis in accordance with the collection and publication schedules of original sources. Detailed source information, with links where applicable, are provided for every data series.