The highest IQ exceeds 200 and is reserved for those categorized as an unmeasurable geniuses. On the other end, the lowest IQ can go below 20 and this falls under the category of profound intellectual disability.
The average IQ ranges from 85 to 115. An IQ is in the genius range when it hits 140 to 145 and only every one in every 400 people have an IQ at this level. Albert Einstein is one of the smartest men in history and his IQ was 160. Those who get invited to join the genius society of Mensa have an IQ in the top 2 percent.Learn More
An intelligence quotient, or IQ, score of 129 is rated superior. The average IQ score is 100. About 7 percent of the population scores between 120 and 129.Full Answer >
According to the Stanford Revision of the Binet-Simon Scale of Intelligence, the average IQ score is between 90 and 109, so an IQ of 110 or higher signifies above-average intelligence. Genius level IQ begins between scores of 140 to 145.Full Answer >
IQ scores range from one to over 200 with the average score being 100, as of 2014. Sixty-eight percent of all IQ scores are within one standard deviation of the average. This means that most people have an IQ score between 85 and 115.Full Answer >
An IQ, or intelligence quotient, score of 127 is considered a high IQ score. Around 15 percent of the population has an IQ of 115 or more.Full Answer >