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
103.6
95% CI: 103.3 to 103.9
Validated / All N
6,901 / 22,161
Validation rate: 31.1%
p10 / Median (p50) / p90
p10: 86.7
p50: 105.1
p90: 122.6
Avg time
38:17
Last updated
2026-03-24
View
Current view N: 6,901
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) | 106.8 | 106.3 to 107.3 | 2,711 |
| Youth (12-18) | 101.9 | 101.3 to 102.5 | 2,044 |
| Adult (36-65) | 101.3 | 100.7 to 101.9 | 2,066 |
| Senior (66-100) | 93.9 | 90.5 to 97.3 | 80 |
Average IQ in South Korea by gender
Gender table
| Gender | Mean IQ | 95% CI | N |
|---|---|---|---|
| Male | 104.7 | 104.2 to 105.2 | 3,964 |
| Female | 101.9 | 101.4 to 102.4 | 2,937 |
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 | 2,531 |
| Primary or Secondary | 101.9 | 101.2 to 102.6 | 1,693 |
| Post Secondary | 102.8 | 102 to 103.6 | 1,493 |
| Short-cycle tertiary | 102.7 | 101.8 to 103.6 | 788 |
| Master degree | 105.7 | 104.2 to 107.2 | 304 |
| Doctorate | 106.5 | 103.8 to 109.2 | 92 |
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 | 109.4 | 105.8 to 113 | 52 |
| 2 | Computer Science | 107.3 | 105.8 to 108.8 | 276 |
| 3 | Chemistry | 107.2 | 104.4 to 110 | 110 |
| 4 | Biology | 106.4 | 104.2 to 108.6 | 131 |
| 5 | Engineering and Technology | 106.3 | 105.3 to 107.3 | 656 |
| 6 | Political Science | 105.5 | 101 to 110 | 29 |
| 7 | Mathematics | 105.2 | 102.4 to 108 | 151 |
| 8 | Economics | 104.7 | 103.2 to 106.2 | 252 |
| 9 | Law | 104.6 | 102.2 to 107 | 95 |
| 10 | Philosophy | 104.6 | 101.2 to 108 | 58 |
| 11 | Theology | 103.7 | 100 to 107.4 | 41 |
| 12 | Medicine and Health | 103.5 | 101.7 to 105.3 | 263 |
| 13 | Psychology | 103.4 | 100.9 to 105.9 | 84 |
| 14 | Social Work | 103.2 | 100.1 to 106.3 | 69 |
| 15 | No diploma | 102.9 | 102.4 to 103.4 | 3,324 |
| 16 | Visual Arts | 102.9 | 101.3 to 104.5 | 290 |
| 17 | Business | 102.8 | 101 to 104.6 | 207 |
| 18 | Anthropology | 102.7 | 98.4 to 107 | 39 |
| 19 | Performing Arts | 102.2 | 100.3 to 104.1 | 229 |
| 20 | Sociology | 101.6 | 99.8 to 103.4 | 160 |
| 21 | Languages and Literature | 101.4 | 99.8 to 103 | 292 |
| 22 | Earth Science | 101.2 | 93.2 to 109.2 | 21 |
| 23 | History | 101 | 97.1 to 104.9 | 56 |
Data last updated: 2026-03-24 (latest test submission).
Page refreshed: 2026-03-25 20:07:56.562 UTC (site build time).