~The Ministry of Magic~

The Ministry of Magic is the Government for the Magical community of Britain and Ireland.
The Ministry seems to be largely an unelected body. The post of the Minister itself appears to be just like any 'job' rather than a special office of election.

Inside you can find, the Accidental Magic Reversal Squad, Apparition Test Centre, Auror Office, Broom Regulatory Control, Courtrooms, Death Chamber, Department of International Magical Cooperation, Department of Magical Accidents and Catastrophes, Department of Magical Games and Sports, Department of Magical Law Enforcement, Department of Magical Transportation, Department of Mysteries, Department for the Regulation and Control of Magical Creatures, Detection and Confiscation of Counterfeit Defensive Spells and Protective Objects Office, The Ever-Locked Room, Floo Network Authority, Hall of Prophecy, Improper Use of Magic Office, International Confederation of Wizards, The Magical Law Enforcement Squad, Minister for Magic and Supporting Staff, The Misuse of Muggle Artifacts Office, Muggle-Worthy Excuse Committee, Obliviator Headquarters, Portkey Office; Space, Thought, & Time Chambers, & the Wizengamot.
(From Harry Potter)