kak·is·toc·ra·cy (kăk‘ĭ-stŏk‘rə-sē, kä‘kĭ-) n., pl. -cies.

Government by the least qualified or most unprincipled citizens.

[Greek kakistos, worst, superlative of kakos, bad; see caco– + –CRACY.]

… and a new post tag, here on Peaceable.