https://en.wikipedia.org/wiki/The_World_Factbook https://en.wikipedia.org/wiki/The_World_Factbook The relevant part: > The World Factbook is prepared by the C

https://en.wikipedia.org/wiki/The_World_Factbook https://en.wikipedia.org/wiki/The_World_Factbook The relevant part: > The World Factbook is prepared by the CIA for the use of U.S. government officials, and its style, format, coverage, and content are primarily designed to meet their requirements.[3] It is also frequently used as a resource for academic research papers and news articles.[4] As a work of the U.S. government, it is in the public domain in the United States.[5]