Average IQ in Czech Republic
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
99.1
95% CI: 98.3 to 99.9
Validated / All N
1,149 / 2,879
Validation rate: 39.9%
p10 / Median (p50) / p90
p10: 80
p50: 98.8
p90: 117.6
Avg time
39:42
Last updated
2026-06-17
View
Current view N: 1,149
IQ distribution in Czech Republic (p10-p90)
Czech Republic
85100115
IQ score
IQ breakdowns in Czech Republic by age, gender, education, and study area
Average IQ in Czech Republic 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) | 99.9 | 98.8 to 101 | 464 |
| Youth (12-18) | 99.7 | 98 to 101.4 | 272 |
| Adult (36-65) | 98.2 | 96.7 to 99.7 | 378 |
| Senior (66-100) | 90.3 | 87 to 93.6 | 35 |
Average IQ in Czech Republic by gender
Gender table
| Gender | Mean IQ | 95% CI | N |
|---|---|---|---|
| Male | 100.4 | 99.2 to 101.6 | 585 |
| Female | 97.6 | 96.6 to 98.6 | 564 |
Average IQ in Czech Republic 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 | 98.9 | 97.7 to 100.1 | 619 |
| Bachelor | 100.2 | 98 to 102.4 | 168 |
| Master degree | 101 | 98.8 to 103.2 | 160 |
| Post Secondary | 94.5 | 92.2 to 96.8 | 109 |
| Short-cycle tertiary | 100.3 | 97.3 to 103.3 | 75 |
| Doctorate | 105.1 | 100.3 to 109.9 | 18 |
Average IQ in Czech Republic by study area
Note: groups with N<20 are hidden by default.
Top study areas in Czech Republic (N >= 20)
| Rank | Study area | Mean IQ | 95% CI | N |
|---|---|---|---|---|
| 1 | Computer Science | 105.9 | 102.4 to 109.4 | 59 |
| 2 | Biology | 102.5 | 99.8 to 105.2 | 20 |
| 3 | Economics | 100.9 | 98.4 to 103.4 | 127 |
| 4 | Engineering and Technology | 99.4 | 96.5 to 102.3 | 95 |
| 5 | No diploma | 99.1 | 97.8 to 100.4 | 464 |
| 6 | Visual Arts | 98 | 92.7 to 103.3 | 44 |
| 7 | Law | 97.9 | 94 to 101.8 | 25 |
| 8 | Performing Arts | 96.8 | 90.9 to 102.7 | 28 |
| 9 | Business | 96.3 | 92.8 to 99.8 | 43 |
| 10 | Medicine and Health | 95.8 | 92 to 99.6 | 44 |
| 11 | Languages and Literature | 95.5 | 91.8 to 99.2 | 26 |
| 12 | Social Work | 95 | 90.4 to 99.6 | 31 |
| 13 | Psychology | 94.6 | 89.5 to 99.7 | 20 |
Data last updated: 2026-06-17 (latest test submission).
Page refreshed: 2026-06-24 04:44:14.481 UTC (site build time).