kakistocracy

kak·i·sto·cra·cy
/kakəˈstäkrəsē/
kakistocracy

government by the least suitable or competent citizens of a state.
"the danger is that this will reduce us to kakistocracy"
a state or society governed by its least suitable or competent citizens.
plural noun: kakistocracies
"the modern regime is at once a plutocracy and a kakistocracy"

Origin
early 19th century: from Greek kakistos ‘worst’ + -cracy.
kakistocracy noun

kak·​is·​toc·​ra·​cy | \ ˌkakə̇ˈstäkrəsē \
plural kakistocracies
Definition of kakistocracy

: government by the worst people

History and Etymology for kakistocracy

Greek kakistos (superlative of kakos bad) + English -cracy