Average IQ in Bulgaria
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
98
95% CI: 96.9 to 99.1
Validated / All N
591 / 1,689
Validation rate: 35.0%
p10 / Median (p50) / p90
p10: 80.4
p50: 96.6
p90: 116.3
Avg time
37:00
Last updated
2026-02-08
View
Current view N: 591
IQ distribution in Bulgaria (p10-p90)
Bulgaria
85100115
IQ score
IQ breakdowns in Bulgaria by age, gender, education, and study area
Average IQ in Bulgaria 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) | 98.5 | 96.9 to 100.1 | 255 |
| Adult (36-65) | 97.9 | 96.3 to 99.5 | 262 |
| Senior (66-100) | 96.1 | 90.9 to 101.3 | 20 |
| Youth (12-18) | 95.8 | 92.3 to 99.3 | 54 |
Average IQ in Bulgaria by gender
Gender table
| Gender | Mean IQ | 95% CI | N |
|---|---|---|---|
| Male | 99.4 | 97.8 to 101 | 298 |
| Female | 96.3 | 95 to 97.6 | 293 |
Average IQ in Bulgaria 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 |
|---|---|---|---|
| Primary or Secondary | 96.1 | 94.2 to 98 | 218 |
| Master degree | 102 | 99.7 to 104.3 | 137 |
| Bachelor | 98.7 | 96.3 to 101.1 | 122 |
| Post Secondary | 95.4 | 93.1 to 97.7 | 80 |
| Short-cycle tertiary | 94.1 | 87.7 to 100.5 | 23 |
| Doctorate | 102.2 | 94 to 110.4 | 11 |
Average IQ in Bulgaria by study area
Note: groups with N<20 are hidden by default.
Top study areas in Bulgaria (N >= 20)
| Rank | Study area | Mean IQ | 95% CI | N |
|---|---|---|---|---|
| 1 | Engineering and Technology | 101.7 | 98.4 to 105 | 76 |
| 2 | Mathematics | 101 | 94.8 to 107.2 | 22 |
| 3 | Medicine and Health | 100.1 | 95.6 to 104.6 | 24 |
| 4 | Computer Science | 99.3 | 94.2 to 104.4 | 20 |
| 5 | No diploma | 97 | 94.3 to 99.7 | 99 |
| 6 | Business | 96.4 | 92.3 to 100.5 | 33 |
| 7 | Economics | 96.4 | 93.8 to 99 | 97 |
| 8 | Languages and Literature | 96.2 | 90.7 to 101.7 | 26 |
| 9 | Social Work | 93.6 | 89.9 to 97.3 | 36 |
Data last updated: 2026-02-08 (latest test submission).
Page refreshed: 2026-02-08 19:16:53.114 UTC (site build time).