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
97.9
95% CI: 97.1 to 98.7
Validated / All N
1,318 / 7,650
Validation rate: 17.2%
p10 / Median (p50) / p90
p10: 77.9
p50: 97
p90: 116.4
Avg time
34:21
Last updated
2026-02-08
View
Current view N: 1,318
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) | 100.5 | 99.3 to 101.7 | 609 |
| Adult (36-65) | 99.8 | 97.9 to 101.7 | 216 |
| Youth (12-18) | 94.6 | 93.3 to 95.9 | 490 |
| Senior (66-100) | 80.8 | 79.6 to 82 | 3 |
Average IQ in Thailand by gender
Gender table
| Gender | Mean IQ | 95% CI | N |
|---|---|---|---|
| Male | 100.2 | 98.9 to 101.5 | 593 |
| Female | 96.6 | 95.6 to 97.6 | 725 |
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 | 99.7 | 98.5 to 100.9 | 541 |
| Primary or Secondary | 95 | 93.5 to 96.5 | 364 |
| Post Secondary | 96.4 | 94.7 to 98.1 | 292 |
| Master degree | 103.4 | 100.3 to 106.5 | 80 |
| Short-cycle tertiary | 97.9 | 90 to 105.8 | 25 |
| Doctorate | 102.6 | 93.8 to 111.4 | 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 | 106.3 | 99.7 to 112.9 | 21 |
| 2 | Economics | 103.6 | 98.8 to 108.4 | 31 |
| 3 | Engineering and Technology | 102.6 | 99.4 to 105.8 | 101 |
| 4 | Medicine and Health | 102.2 | 98.6 to 105.8 | 62 |
| 5 | Computer Science | 101 | 96.6 to 105.4 | 55 |
| 6 | Mathematics | 99.9 | 96.6 to 103.2 | 51 |
| 7 | Visual Arts | 99.7 | 94.7 to 104.7 | 36 |
| 8 | Performing Arts | 98.3 | 93.2 to 103.4 | 26 |
| 9 | Political Science | 97 | 91.1 to 102.9 | 23 |
| 10 | Business | 96.6 | 94.2 to 99 | 136 |
| 11 | No diploma | 96.1 | 94.9 to 97.3 | 584 |
| 12 | Psychology | 95.5 | 88.8 to 102.2 | 24 |
| 13 | Languages and Literature | 94.6 | 90.6 to 98.6 | 56 |
Data last updated: 2026-02-08 (latest test submission).
Page refreshed: 2026-02-08 21:17:32.269 UTC (site build time).