Jul 17, 2024 · An IQ (intelligence quotient) test is a standardized method to know the mental ability of a person, usually against a peer group. IQ scores between 90 and 109 indicate normal or average …

Nov 16, 2023 · IQ scores differ depending on which version of the test you take, but the average IQ score ranges are between 85 and 115. Shown below is an IQ chart classifying the range of scores …

By the existing "deviation IQ" definition of IQ test standard scores, about two-thirds of all test-takers obtain scores from 85 to 115, and about 5 percent of the population scores above 125 (i.e. normal …

Oct 6, 2025 · Key Takeaways The average IQ score is 100 on most IQ tests. About 68% of people score between 85 and 115, or one standard deviation from the mean. Scores below 70 may indicate a …

Aug 17, 2024 · Explore the average IQ of all age groups and see the range of IQ classified by the experts with the interpretation of IQ scores.

Jan 1, 2026 · From childhood through young adulthood, the average IQ score increases and peaks between ages 18 and 29, then gradually declines with age. The results closely match last year’s data …

Jan 16, 2026 · IQ scores between 90 and 109 are considered average. Genetics accounts for about 50% of the IQ differences between people. The intelligence quotient (IQ) is a standardized measure …

Dec 22, 2025 · The average IQ score for the general population typically falls between 90 and 110, with 100 set as the mean by design. Psychometric standards recognize this range as cognitively typical.

Mar 3, 2025 · The average IQ score is defined as 100, which represents the midpoint of a normal distribution. In this distribution, approximately 68% of people score between 85 and 115.

IQ scores are usually calculated by comparing an individual's test performance to that of a large, representative sample of people of the same age. The most commonly used IQ scale is based on a …