Look at the wikipedia page for any given country, and I guarantee you that it cites the CIA World Factbook at least once (and probably several times [1] ). Saying "we don't need the world factbook because we have Wikipedia" is completely ridiculous.
Wikipedia is an encyclopaedia, meaning it's not a primary source of facts but rather an aggregate of information published elsewhere.
Wikipedia is an encyclopaedia, meaning it's not a primary source of facts but rather an aggregate of information published elsewhere.
[1] - some examples: https://en.wikipedia.org/wiki/Australia - cites the factbook 4 times; https://en.wikipedia.org/wiki/Uzbekistan - cites it twice