Interesting data on the average IQ by country, offering insights into the average intelligence levels of populations through various tests and sources.

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 …

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 …

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 …

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 …

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.

Discover the average IQ worldwide, in the U.S., and by age. Learn how IQ scores are measured, typical ranges for adults and teens, and factors that influence intelligence.

Dec 22, 2025 · What Is an Average IQ Score for the General Population? The average IQ score for the general population typically falls between 90 and 110, with 100 set as the mean by design. …

Mar 24, 2025 · The average IQ score is 100, with most people scoring between 85 and 115—and any score above 125 is considered high. (based on David Wechsler’s most common test)