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
103.3
95% CI: 103 to 103.6
Validated / All N
7,550 / 24,381
Validation rate: 31.0%
p10 / Median (p50) / p90
p10: 86.3
p50: 104.6
p90: 122
Avg time
38:12
Last updated
2026-06-18
View
Current view N: 7,550
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) | 106.5 | 106 to 107 | 2,958 |
| Youth (12-18) | 101.5 | 100.9 to 102.1 | 2,315 |
| Adult (36-65) | 101 | 100.4 to 101.6 | 2,186 |
| Senior (66-100) | 93.5 | 90.3 to 96.7 | 91 |
Average IQ in South Korea by gender
Gender table
| Gender | Mean IQ | 95% CI | N |
|---|---|---|---|
| Male | 104.3 | 103.9 to 104.7 | 4,389 |
| Female | 101.5 | 101 to 102 | 3,161 |
Average IQ in South Korea by education level
Education table (largest samples)
| Education level | Mean IQ | 95% CI | N |
|---|---|---|---|
| Bachelor | 104.9 | 104.4 to 105.4 | 2,701 |
| Primary or Secondary | 101.5 | 100.9 to 102.1 | 1,890 |
| Post Secondary | 102.5 | 101.8 to 103.2 | 1,667 |
| Short-cycle tertiary | 102.6 | 101.7 to 103.5 | 869 |
| Master degree | 105.4 | 103.9 to 106.9 | 326 |
| Doctorate | 106.5 | 103.9 to 109.1 | 97 |
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 | 109.1 | 105.7 to 112.5 | 55 |
| 2 | Computer Science | 107.1 | 105.5 to 108.7 | 295 |
| 3 | Chemistry | 107 | 104.4 to 109.6 | 120 |
| 4 | Biology | 106.5 | 104.5 to 108.5 | 143 |
| 5 | Engineering and Technology | 105.9 | 104.9 to 106.9 | 716 |
| 6 | Political Science | 105.2 | 100.8 to 109.6 | 29 |
| 7 | Mathematics | 105 | 102.2 to 107.8 | 161 |
| 8 | Philosophy | 104.5 | 101.3 to 107.7 | 60 |
| 9 | Law | 104.3 | 102 to 106.6 | 98 |
| 10 | Economics | 104.1 | 102.6 to 105.6 | 275 |
| 11 | Theology | 103.8 | 100.3 to 107.3 | 43 |
| 12 | Medicine and Health | 103.2 | 101.5 to 104.9 | 283 |
| 13 | Anthropology | 102.9 | 98.7 to 107.1 | 41 |
| 14 | Psychology | 102.8 | 100.3 to 105.3 | 91 |
| 15 | Social Work | 102.8 | 99.9 to 105.7 | 72 |
| 16 | Visual Arts | 102.6 | 101.1 to 104.1 | 315 |
| 17 | Business | 102.5 | 100.8 to 104.2 | 222 |
| 18 | No diploma | 102.5 | 102.1 to 102.9 | 3,701 |
| 19 | Performing Arts | 101.8 | 99.9 to 103.7 | 245 |
| 20 | Earth Science | 101.6 | 95.2 to 108 | 24 |
| 21 | Languages and Literature | 101.3 | 99.8 to 102.8 | 309 |
| 22 | Sociology | 101.2 | 99.4 to 103 | 176 |
| 23 | History | 100.5 | 96.5 to 104.5 | 57 |
Data last updated: 2026-06-18 (latest test submission).
Page refreshed: 2026-06-24 04:33:52.202 UTC (site build time).