North Korea is the world's only necrocracy: a government that still operates under the rules of a former, dead leader.
Kim Il-sung (1912–1994), the supreme leader of North Korea from its establishment in 1948 until his death. He was subsequently declared the country’s “Eternal Leader”.
Although a ceremonial position, the country is still technically run by the old dictator making it the only necrocracy in the world, meaning it is the only country run by a dead person.
Source: historyofyesterday.com