Aquarius and Scorpio are the smartest zodiac signs, astrologists say — but for two very different reasons. Those born under the Aquarius sign have the highest levels of analytical intelligence, which is measured by cognitive ability and IQ.

Who is the kindest of the zodiac?

Which type do you belong to? So, here is the zodiac ranking of nicest to meanest people. Libra is the nicest zodiac sign of all. They put a lot of effort to be nice to everyone.