Average IQ in Serbia
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
103.5
95% CI: 100.6 to 106.4
Validated / All N
73 / 207
Validation rate: 35.3%
p10 / Median (p50) / p90
p10: 91.5
p50: 102.4
p90: 120.5
Avg time
46:08
Last updated
2026-04-19
View
Current view N: 73
IQ distribution in Serbia (p10-p90)
Serbia
85100115
IQ score
IQ breakdowns in Serbia by age, gender, education, and study area
Average IQ in Serbia 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) | 106.3 | 102.8 to 109.8 | 39 |
| Adult (36-65) | 101.5 | 96.8 to 106.2 | 23 |
| Youth (12-18) | 101.2 | 90.7 to 111.7 | 9 |
| Senior (66-100) | 97.8 | 86 to 109.6 | 2 |
Average IQ in Serbia by gender
Small sample: at least one group has N<50 (estimates are unstable).
Gender table
| Gender | Mean IQ | 95% CI | N |
|---|---|---|---|
| Male | 106 | 102.3 to 109.7 | 44 |
| Female | 100.8 | 96.9 to 104.7 | 29 |
Average IQ in Serbia 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 | 103.7 | 99.9 to 107.5 | 23 |
| Primary or Secondary | 103.8 | 97.6 to 110 | 21 |
| Master degree | 107.1 | 100 to 114.2 | 14 |
| Post Secondary | 96.3 | 88.2 to 104.4 | 10 |
| Short-cycle tertiary | 107.5 | 95.3 to 119.8 | 4 |
| Doctorate | 105.6 | N/A | 1 |
Average IQ in Serbia by study area
N/A
Note: groups with N<20 are hidden by default.
Data last updated: 2026-04-19 (latest test submission).
Page refreshed: 2026-04-21 23:57:48.634 UTC (site build time).