Average IQ in South Korea
Based on the UniversalIQTest.com online dataset (Validated / All results)
These are averages from self-selected participants in the UniversalIQTest.com online test (not population IQ).
Use N and 95% CI when comparing; avoid causal conclusions.
See Methodology & limits.
Mean IQ
103.7
95% CI: 103.4 to 104
Validated / All N
6,497 / 21,190
Validation rate: 30.7%
p10 / Median (p50) / p90
p10: 86.8
p50: 105.3
p90: 122.8
Avg time
37:45
Last updated
2026-02-08
View
Current view N: 6,497
IQ distribution in South Korea (p10-p90)
South Korea
85100115
IQ score
IQ breakdowns in South Korea by age, gender, education, and study area
Average IQ in South Korea by age group
Age group table
| Age group | Mean IQ | 95% CI | N |
|---|---|---|---|
| Young Adult (19-35) | 107 | 106.5 to 107.5 | 2,556 |
| Youth (12-18) | 102 | 101.4 to 102.6 | 1,883 |
| Adult (36-65) | 101.4 | 100.8 to 102 | 1,982 |
| Senior (66-100) | 94 | 90.5 to 97.5 | 76 |
Average IQ in South Korea by gender
Gender table
| Gender | Mean IQ | 95% CI | N |
|---|---|---|---|
| Male | 104.9 | 104.4 to 105.4 | 3,708 |
| Female | 102 | 101.5 to 102.5 | 2,789 |
Average IQ in South Korea by education level
Education table (largest samples)
| Education level | Mean IQ | 95% CI | N |
|---|---|---|---|
| Bachelor | 105.3 | 104.8 to 105.8 | 2,420 |
| Primary or Secondary | 101.9 | 101.2 to 102.6 | 1,554 |
| Post Secondary | 103 | 102.2 to 103.8 | 1,399 |
| Short-cycle tertiary | 102.8 | 101.8 to 103.8 | 745 |
| Master degree | 105.7 | 104.2 to 107.2 | 292 |
| Doctorate | 106.6 | 103.8 to 109.4 | 87 |
Average IQ in South Korea by study area
Note: groups with N<20 are hidden by default.
Top study areas in South Korea (N >= 20)
| Rank | Study area | Mean IQ | 95% CI | N |
|---|---|---|---|---|
| 1 | Physics | 109.5 | 105.6 to 113.4 | 48 |
| 2 | Chemistry | 107.9 | 105 to 110.8 | 108 |
| 3 | Computer Science | 107.5 | 105.9 to 109.1 | 256 |
| 4 | Biology | 106.6 | 104.3 to 108.9 | 126 |
| 5 | Engineering and Technology | 106.3 | 105.2 to 107.4 | 627 |
| 6 | Political Science | 105.5 | 99.9 to 111.1 | 26 |
| 7 | Mathematics | 105.4 | 102.4 to 108.4 | 142 |
| 8 | Economics | 104.9 | 103.3 to 106.5 | 242 |
| 9 | Law | 104.9 | 102.3 to 107.5 | 88 |
| 10 | Philosophy | 104.6 | 101 to 108.2 | 53 |
| 11 | Theology | 104.3 | 100.7 to 107.9 | 39 |
| 12 | Psychology | 103.6 | 100.8 to 106.4 | 78 |
| 13 | Medicine and Health | 103.5 | 101.6 to 105.4 | 250 |
| 14 | No diploma | 103.1 | 102.6 to 103.6 | 3,094 |
| 15 | Social Work | 103.1 | 99.9 to 106.3 | 66 |
| 16 | Anthropology | 102.9 | 98.6 to 107.2 | 37 |
| 17 | Business | 102.9 | 101.1 to 104.7 | 202 |
| 18 | Visual Arts | 102.8 | 101.2 to 104.4 | 275 |
| 19 | Performing Arts | 102.5 | 100.5 to 104.5 | 218 |
| 20 | History | 101.4 | 97.7 to 105.1 | 55 |
| 21 | Languages and Literature | 101.4 | 99.8 to 103 | 280 |
| 22 | Sociology | 101.3 | 99.4 to 103.2 | 153 |
Data last updated: 2026-02-08 (latest test submission).
Page refreshed: 2026-02-08 19:20:04.630 UTC (site build time).