Average IQ in Thailand
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
97.8
95% CI: 97 to 98.6
Validated / All N
1,376 / 7,765
Validation rate: 17.7%
p10 / Median (p50) / p90
p10: 77.7
p50: 96.8
p90: 116.3
Avg time
34:32
Last updated
2026-05-07
View
Current view N: 1,376
IQ distribution in Thailand (p10-p90)
Thailand
85100115
IQ score
IQ breakdowns in Thailand by age, gender, education, and study area
Average IQ in Thailand by age group
Small sample: at least one group has N<50 (estimates are unstable).
Age group table
| Age group | Mean IQ | 95% CI | N |
|---|---|---|---|
| Young Adult (19-35) | 100.4 | 99.2 to 101.6 | 640 |
| Adult (36-65) | 99.6 | 97.7 to 101.5 | 226 |
| Youth (12-18) | 94.5 | 93.2 to 95.8 | 507 |
| Senior (66-100) | 80.5 | 79.3 to 81.7 | 3 |
Average IQ in Thailand by gender
Gender table
| Gender | Mean IQ | 95% CI | N |
|---|---|---|---|
| Male | 100.1 | 98.8 to 101.4 | 625 |
| Female | 96.4 | 95.4 to 97.4 | 751 |
Average IQ in Thailand by education level
Small sample: at least one group has N<50 (estimates are unstable).
Education table (largest samples)
| Education level | Mean IQ | 95% CI | N |
|---|---|---|---|
| Bachelor | 99.5 | 98.4 to 100.6 | 573 |
| Primary or Secondary | 94.8 | 93.3 to 96.3 | 377 |
| Post Secondary | 96.3 | 94.5 to 98.1 | 299 |
| Master degree | 103.5 | 100.5 to 106.5 | 86 |
| Short-cycle tertiary | 97.6 | 89.7 to 105.5 | 25 |
| Doctorate | 102.5 | 93.7 to 111.3 | 16 |
Average IQ in Thailand by study area
Note: groups with N<20 are hidden by default.
Top study areas in Thailand (N >= 20)
| Rank | Study area | Mean IQ | 95% CI | N |
|---|---|---|---|---|
| 1 | Law | 105.5 | 99.9 to 111.1 | 23 |
| 2 | Economics | 103.5 | 99 to 108 | 35 |
| 3 | Engineering and Technology | 102.1 | 99.2 to 105 | 111 |
| 4 | Medicine and Health | 101.8 | 98.1 to 105.5 | 61 |
| 5 | Computer Science | 100.5 | 96.4 to 104.6 | 61 |
| 6 | Mathematics | 99.5 | 96.4 to 102.6 | 52 |
| 7 | Visual Arts | 99.4 | 94.7 to 104.1 | 37 |
| 8 | Performing Arts | 98.4 | 93.5 to 103.3 | 27 |
| 9 | Political Science | 96.7 | 90.9 to 102.5 | 23 |
| 10 | Business | 96.2 | 93.9 to 98.5 | 142 |
| 11 | No diploma | 96 | 94.8 to 97.2 | 602 |
| 12 | Psychology | 95.2 | 88.5 to 101.9 | 24 |
| 13 | Languages and Literature | 94.3 | 90.6 to 98 | 58 |
Data last updated: 2026-05-07 (latest test submission).
Page refreshed: 2026-05-09 10:27:11.875 UTC (site build time).