Is there a book/site that encompasses classify and explains all different governmental structures and governance throughout space and time ?

The Greek city states, the Italian city states, Switzerland cantons, Rome republic, USA, Socialist, Fascists, Persian empire, Mongol empire, democracy, republic, plutocracy and so on and so forth.

Is there a rather complete classification somewhere..

  • 3
    You seem to be looking for a single authoritative list, and no such thing exists. It would be like asking for a list of all colours.
    – James K
    Commented Dec 19, 2018 at 8:21
  • 1
    Looks like somebody found a book idea. Some similar ones might exist already. Though, not exactly what you're looking for.
    – David S
    Commented Dec 19, 2018 at 16:53

1 Answer 1


Wikipedia is usually my first port of call for such questions.

List of countries by system of government classifies all currently-existing countries by system of government. A similar list is given in the ever-reliable CIA World Factbook.

List of forms of government gives information about the forms of government themselves. For more detail, try this article.

For previously-existing states and governments, Wikipedia appears to have a separate list for each historical century although the 12th to 18th centuries A.D. appear to be missing from the index and these lists may not be in a consistent format. There are also some summary lists such as the list of Classical Age states that may be useful if that is your particular area of interest.

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