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|Founder||Fred T. Jane|
|Country of origin||England|
|Headquarters location||Coulsdon, England|
|Publication types||Databases, books, periodicals|
|Nonfiction topics||Military, Defence, National Security, Aerospace, Transportation|
Jane's Information Group (often referred to as Jane's) is an information company specialising in military, national security, aerospace and transportation topics.
Jane's was founded in 1898 by Fred T. Jane who had begun sketching ships as an enthusiast naval artist while living in Portsmouth. This gradually developed into an encyclopedic knowledge, culminating in the publishing of All the World's Fighting Ships (1898). The company then gradually branched out into other areas of military expertise. The books and trade magazines published by the company are often considered the de facto public source of information on warfare and transportation systems.
Based in London for most of its existence, Jane's was acquired by Montagu in 2019  having been previously owned by IHS Markit, The Woodbridge Company and before that the Thomson Corporation for a number of years. Major periodical competitors include Defense News, Flight International, Aviation Week & Space Technology and the Shephard Group. The company continues to provide open-source intelligence in the defence, security, aerospace and transportation sectors.
Of their publications, books (published annually) include Jane's All the World's Aircraft, Jane's Fighting Ships, Jane's Military Communications,Jane's World Air Forces,Jane's World Navies, and Jane's World Railways. Periodicals include Jane's Airport Review(discontinued), Jane's Defence Weekly, Jane's Intelligence Review, Jane's International Defence Review, Jane's Navy International, and Jane's Police Review (discontinued).