Uneducated
Part of speech: adjective
Definition: not educated
Example sentence: Democracy means government by the uneducated, while aristocracy means government by the badly educated.
Uninformed
Part of speech: adjective
Definition: not informed; ignorant
Example sentence: Quite frankly, having an uninformed populace works extremely well, particularly when you have a media that doesn't understand its responsibility and feels more like it's an arm of a political party. They can really take advantage of an uninformed populace.