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The 1981 article "Average IQ values in various European countries" by Vinko Buj is the only international IQ study that over a short time period has compared IQs using the same IQ test. Rindermann (2007) states that it is of dubious quality with scant information regarding how it was done. [3] [4]
The IQ figures are based on 3 different studies for 17 nations, two studies for 30 nations, and one study for 34 nations. There were actual tests for IQ in the case of 81 countries out of the 185 countries studied. For 104 nations there were no IQ studies at all and IQ was estimated based on the average IQ of surrounding nations. [2]
List of countries by GNI (nominal, Atlas method) per capita; Lists of countries by GDP; List of countries by GDP sector composition; List of countries by GDP (nominal) List of countries by GDP (nominal) per capita; List of countries by GDP (PPP) per capita; List of countries by GDP (PPP) List of countries by real GDP growth rate
Approx. no. of countries Eligibility / Rarity Approx. IQ Mensa International: 1946: ≈ 145,000 (as of 2022) [12] 100: Top 2 percent of population (98th percentile; 1 person out of 50) 130 Intertel: 1966: ≥ 1,700 (as of July 2024) [13] 40: Top 1 percent (99th percentile; 1 out of 100) 135 Triple Nine Society: 1978
The U.S., in particular, dropped out of the top 20 for the first time, falling to 23rd place from 15th last year, driven by a large drop in the well-being of Americans under 30.
An intelligence quotient (IQ) is a total score derived from a set of standardized tests or subtests designed to assess human intelligence. [1] Originally, IQ was a score obtained by dividing a person's mental age score, obtained by administering an intelligence test, by the person's chronological age, both expressed in terms of years and months.
IQ scores can differ to some degree for the same person on different IQ tests, so a person does not always belong to the same IQ score range each time the person is tested (IQ score table data and pupil pseudonyms adapted from description of KABC-II norming study cited in Kaufman 2009). [12] [13] Pupil KABC-II WISC-III WJ-III Asher: 90: 95: 111 ...
GOBankingRates ranked the top global economies based on GDP per capita. Find out the results, including which nation was named the richest country in the world. The 20 Richest Countries in the World