About fifty percent of people in the world have IQ scores between 90 and 110, 2.5 percent of people are psychologically deficient/impaired and their IQ is under 70, 2.5 percent of people are extraordinary in intelligence with over 130 IQ. 0.5 percent of people are closer to genius or genius who has IQ over 140.
Here is the list of the top ten most intelligent/ smart people who are alive today.