What is the distribution of IQ in the US?
Approximately 95% of the population has IQ scores between 70 and 130. Approximately 99.7% of the population has IQ scores between 55 and 145. Only approximately 0.3% of the population has IQ scores outside of this interval (less than 55 or higher than 145).
What percent of Americans have a high IQ?
Understanding IQ Tests Anything above 140 is considered a high or genius-level IQ. It is estimated that between 0.25 percent and 1.0 percent of the population fall into this elite category.
What IQ is the top 2% of the population?
A score of 130 or higher signals a high IQ. Membership in Mensa, the High IQ society, includes people who score in the top 2 percent, which is usually 132 or higher.
What percentage of the population is below average intelligence?
IQ score ranges
| IQ scale | Interpretation of IQ score | % of population |
|---|---|---|
| 121-130 | Gifted | 6.4% |
| 111-120 | Above average intelligence | 15.7% |
| 90-110 | Average intelligence | 51.6% |
| 80-89 | Below average intelligence | 15.7% |
Which nation has the highest IQ?
Singapore
Ranked: The 25 Smartest Countries In The World
| Ranking | Country | Average IQ |
|---|---|---|
| 1 | Singapore | 107.1 |
| 2 | China | 105.8 |
| 3 | Hong Kong | 105.7 |
| 4 | South Korea | 104.6 |
What percentile is an IQ of 135?
IQ percentiles and rarity
| IQ test score | Percentile | Top X% |
|---|---|---|
| 135 | 99th | 1.00% |
| 139 | 99.5th | 0.50% |
| 147 | 99.9th | 0.10% |
| 156 | 99.99th | 0.001% |
What percentage of the US population has an IQ below 80?
By the current “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….Historical IQ classification tables.
| IQ Range (“ratio IQ”) | Percent of Group |
|---|---|
| 100–109 | 23.5 |
| 90–99 | 23.0 |
| 80–89 | 14.5 |
| 70–79 | 5.6 |
What is the distribution of IQs in the world?
IQ Distribution in Population – Intelligence The IQ across the world is fairly distributed on a bell curve. 70% of all people have an IQ from 85 to 115, the average IQ being 100, which is having the same mental and chronological age. Only about 2.5% are either very gifted, or mentally disabled.
What is the average IQ in the United States?
According to a World IQ study, the US ranks 27th in the world with an average IQ of 98. Most people in the US have an IQ between 85 and 115. IQ has long been the go-to way of measuring and estimating a person’s mental abilities.
Which states have the lowest IQs?
The state with the lowest IQ score turns out to be Mississippi, with the IQ score of residents coming to about 94.2 on average. There is a difference of 10.1 IQ points between Mississippi and Massachusetts, which is not as drastic of a discrepancy as you might predict there’d be among fifty states.
Which country has the highest IQ in the world?
Top 20 Highest IQ Countries. 1. Hong Kong: 107 2. South Korea: 106 3. Japan: 105 4. Taiwan: 104 5. Singapore: 103 6. Austria: 102 7. Germany: 102 8. Italy: 102 9. Netherlands: 102 10. Sweden: 101 11. Switzerland: 101 12. Belgium: 100 13. China: 100 14. New Zealand: 100 15. United Kingdom: 100 16. Hungary: 99 17. Poland: 99 18.