What an IQ of 138 Represents
An intelligence quotient (IQ) of 138 is a numerical representation of your cognitive performance compared to a representative sample of the population. Specifically, a score of 138 indicates that your performance is higher than. In the context of the modern Wechsler Adult Intelligence Scale (WAIS-IV), which is the global standard for IQ testing, this score reflects your standing across various cognitive domains including fluid reasoning, verbal comprehension, working memory, and processing speed.
How Rare is an IQ of 138?
Statistically, an IQ of 138 is found in approximately 1 in every 177 individuals. Because human intelligence follows a normal distribution (the 'bell curve') with a mean of 100 and a standard deviation of 15, scores move further away from the average as they become increasingly rare. At 138, you are in the 99.4 percentile of the global population. This means that if you were in a room with 100 people, you would likely have a higher score than 99.4 of them.
Comparison and Context
To put 138 in perspective, the average IQ is 100. A score of 138 is 38 points higher than the average. For comparison, the threshold for Mensa, the high-IQ society, is typically around 130 (the top 2% of the population). An IQ of 138 is 8 points higher than the Mensa entry requirement. It is important to remember that IQ is a relative measure; it tells you where you stand in relation to others of your age group, rather than measuring absolute 'brain power'.
What This Score Does and Doesn't Tell You
While an IQ score of 138 provides a reliable estimate of certain cognitive abilities, it is not an exhaustive measure of human potential. IQ tests are designed to measure 'g' (general intelligence), which correlates strongly with academic success and professional performance in complex fields. However, they do not measure emotional intelligence (EQ), creativity, persistence, or practical 'street smarts'. Your score of 138 is a snapshot of your cognitive profile in a specific testing environment and should be viewed as one piece of a much larger puzzle of who you are.