Average IQ in South Korea
Based on the UniversalIQTest.com online dataset (Passed quality checks / All results)
The average IQ in South Korea is 103 in our dataset of 7,931 test results. See the full distribution, confidence interval, and how South Korea compares worldwide.
These are averages from self-selected participants in the UniversalIQTest.com online test (not population IQ).
Use N and Approx. interval when comparing; avoid causal conclusions.
The displayed group score converts the group’s average percentile rank in the selected dataset view to an IQ-style scale (100, standard deviation 15). It is not the arithmetic mean of individual IQ scores.
Intervals use an approximate spread estimated from the interquartile range and sample size. They are indicative uncertainty ranges around the transformed group score, not validated confidence intervals for a population mean.
See Methodology & limits.
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IQ distribution in South Korea (p10-p90)
IQ breakdowns in South Korea by age, gender, education, and study area
Average IQ in South Korea by age group
| Age group | IQ-style score | Approx. interval | N |
|---|---|---|---|
| Young Adult (19-35) | 106.2 | 105.7–106.7 | 3,047 |
| Youth (12-18) | 101.2 | 100.7–101.7 | 2,512 |
| Adult (36-65) | 100.8 | 100.2–101.4 | 2,277 |
| Senior (66-100) | 93 | 89.8–96.2 | 95 |
Average IQ in South Korea by gender
| Gender | IQ-style score | Approx. interval | N |
|---|---|---|---|
| Male | 104.1 | 103.7–104.5 | 4,614 |
| Female | 101.3 | 100.8–101.8 | 3,313 |
Average IQ in South Korea by education level
| Education level | IQ-style score | Approx. interval | N |
|---|---|---|---|
| Bachelor | 104.6 | 104.1–105.1 | 2,787 |
| Primary or Secondary | 101.3 | 100.7–101.9 | 2,034 |
| Post Secondary | 102.3 | 101.6–103 | 1,752 |
| Short-cycle tertiary | 102.4 | 101.5–103.3 | 914 |
| Master degree | 105.1 | 103.7–106.5 | 334 |
| Doctorate | 106.4 | 103.8–109 | 100 |
Average IQ in South Korea by study area
| Rank | Study area | IQ-style score | Approx. interval | N |
|---|---|---|---|---|
| 1 | Physics | 108.9 | 105.8–112 | 56 |
| 2 | Computer Science | 106.9 | 105.4–108.4 | 305 |
| 3 | Chemistry | 106.8 | 104.3–109.3 | 125 |
| 4 | Biology | 106.3 | 104.4–108.2 | 152 |
| 5 | Engineering and Technology | 105.6 | 104.6–106.6 | 739 |
| 6 | Political Science | 105.4 | 100.4–110.4 | 30 |
| 7 | Mathematics | 104.7 | 102.1–107.3 | 170 |
| 8 | Philosophy | 104.3 | 101.1–107.5 | 60 |
| 9 | Economics | 103.8 | 102.3–105.3 | 283 |
| 10 | Law | 103.7 | 101.4–106 | 104 |
| 11 | Theology | 103.4 | 99.7–107.1 | 45 |
| 12 | Medicine and Health | 103 | 101.4–104.6 | 292 |
| 13 | Anthropology | 102.7 | 98.5–106.9 | 41 |
| 14 | Social Work | 102.6 | 99.8–105.4 | 73 |
| 15 | Psychology | 102.5 | 100.1–104.9 | 93 |
| 16 | Business | 102.3 | 100.7–103.9 | 227 |
| 17 | No diploma | 102.3 | 101.9–102.7 | 3,928 |
| 18 | Visual Arts | 102.2 | 100.8–103.6 | 324 |
| 19 | Earth Science | 101.4 | 95.6–107.2 | 26 |
| 20 | Performing Arts | 101.4 | 99.6–103.2 | 254 |
| 21 | Sociology | 101.3 | 99.7–102.9 | 189 |
| 22 | Languages and Literature | 101.1 | 99.7–102.5 | 321 |
| 23 | History | 100 | 95.6–104.4 | 61 |
Average IQ in South Korea: frequently asked questions
- What is the average IQ in South Korea?
- Our dataset shows an average of 103 IQ-style points for South Korea, based on 7,931 results (Approx. interval 102.7–103.3, median 104.2).
- How many people from South Korea took the test?
- 26,183 results from South Korea are included in our dataset, of which 7,931 pass our internal validation checks for timing, completion and consistency.
- Is this the same as the average IQ of the population?
- These are averages from self-selected participants in the UniversalIQTest.com online test (not population IQ).
Related statistics
Country IQ pages
Explore country-level IQ stats based on the UniversalIQTest.com online dataset.