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When did the CIA cease publication of the World Factbook?

Written and fact-checked by
The Editors of Encyclopaedia Britannica
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
The Editors of Encyclopaedia Britannica

The CIA ceased publication of the World Factbook and eliminated its official online version on February 4, 2026. The CIA World Factbook is a reference manual that contains detailed and reliable statistical information about foreign countries, including their societies, economies, militaries, and resources. First published as a classified document in 1962, it was declassified in 1971 and published online starting in 1997.