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
103.4
95% CI: 103.1 to 103.7
Validated / All N
7,276 / 23,403
Validation rate: 31.1%
p10 / Median (p50) / p90
p10: 86.4
p50: 104.8
p90: 122.3
Avg time
38:19
Last updated
2026-05-07
View
Current view N: 7,276
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) | 106.6 | 106.1 to 107.1 | 2,865 |
| Youth (12-18) | 101.6 | 101 to 102.2 | 2,189 |
| Adult (36-65) | 101.1 | 100.5 to 101.7 | 2,136 |
| Senior (66-100) | 93.7 | 90.4 to 97 | 86 |
Average IQ in South Korea by gender
Gender table
| Gender | Mean IQ | 95% CI | N |
|---|---|---|---|
| Male | 104.5 | 104.1 to 104.9 | 4,202 |
| Female | 101.6 | 101.1 to 102.1 | 3,074 |
Average IQ in South Korea by education level
Education table (largest samples)
| Education level | Mean IQ | 95% CI | N |
|---|---|---|---|
| Bachelor | 105 | 104.5 to 105.5 | 2,641 |
| Primary or Secondary | 101.6 | 100.9 to 102.3 | 1,796 |
| Post Secondary | 102.6 | 101.9 to 103.3 | 1,590 |
| Short-cycle tertiary | 102.7 | 101.8 to 103.6 | 838 |
| Master degree | 105.6 | 104.1 to 107.1 | 318 |
| Doctorate | 106.5 | 103.9 to 109.1 | 93 |
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 | 109.2 | 105.7 to 112.7 | 52 |
| 2 | Chemistry | 107.3 | 104.7 to 109.9 | 119 |
| 3 | Computer Science | 107.1 | 105.6 to 108.6 | 290 |
| 4 | Biology | 106.3 | 104.3 to 108.3 | 138 |
| 5 | Engineering and Technology | 106 | 105 to 107 | 686 |
| 6 | Political Science | 105.3 | 100.9 to 109.7 | 29 |
| 7 | Mathematics | 105.2 | 102.4 to 108 | 157 |
| 8 | Law | 104.5 | 102.1 to 106.9 | 96 |
| 9 | Philosophy | 104.5 | 101.2 to 107.8 | 59 |
| 10 | Economics | 104.3 | 102.8 to 105.8 | 268 |
| 11 | Theology | 103.8 | 100.1 to 107.5 | 42 |
| 12 | Medicine and Health | 103.3 | 101.6 to 105 | 276 |
| 13 | Psychology | 102.9 | 100.3 to 105.5 | 86 |
| 14 | Social Work | 102.9 | 100 to 105.8 | 72 |
| 15 | No diploma | 102.7 | 102.2 to 103.2 | 3,534 |
| 16 | Business | 102.6 | 100.9 to 104.3 | 216 |
| 17 | Visual Arts | 102.6 | 101.1 to 104.1 | 306 |
| 18 | Anthropology | 102.5 | 98.3 to 106.7 | 39 |
| 19 | Performing Arts | 101.9 | 100 to 103.8 | 238 |
| 20 | Sociology | 101.4 | 99.6 to 103.2 | 172 |
| 21 | Languages and Literature | 101.3 | 99.8 to 102.8 | 305 |
| 22 | Earth Science | 101 | 93 to 109 | 21 |
| 23 | History | 100.6 | 96.6 to 104.6 | 57 |
Data last updated: 2026-05-07 (latest test submission).
Page refreshed: 2026-05-09 10:27:06.903 UTC (site build time).