Necrocracy
NOUN

1. Government of the dead, for the dead, by the dead.

2. Metaphorically, indicative of an inept government ruling over a powerless population and thus reinforcing a state of inertia in national affairs.

3. Control of organization by its dead members

Also Zombie Government

necros "dead" + kratos "rule
In the year 2010, Nigeria became is the world's biggest Necrocracy!