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
1,090 / 2,718
Validation rate: 40.1%
p10 / Median (p50) / p90
p10: 79.9
p50: 98.8
p90: 117.4
Avg time
38:39
Last updated
2026-05-07
View
Current view N: 1,090
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) | 100 | 98.9 to 101.1 | 446 |
| Youth (12-18) | 99.6 | 97.9 to 101.3 | 256 |
| Adult (36-65) | 98.2 | 96.6 to 99.8 | 356 |
| Senior (66-100) | 90.8 | 87.4 to 94.2 | 32 |
Average IQ in Czech Republic by gender
Gender table
| Gender | Mean IQ | 95% CI | N |
|---|---|---|---|
| Male | 100.4 | 99.2 to 101.6 | 554 |
| Female | 97.7 | 96.7 to 98.7 | 536 |
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 | 98.7 | 97.5 to 99.9 | 582 |
| Bachelor | 100.4 | 98.2 to 102.6 | 160 |
| Master degree | 101.5 | 99.3 to 103.7 | 149 |
| Post Secondary | 94.5 | 92.2 to 96.8 | 109 |
| Short-cycle tertiary | 100.2 | 97.2 to 103.2 | 72 |
| Doctorate | 105.1 | 100.2 to 110 | 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 | 105.8 | 102.2 to 109.4 | 56 |
| 2 | Economics | 101 | 98.5 to 103.5 | 126 |
| 3 | Engineering and Technology | 99.3 | 96.3 to 102.3 | 92 |
| 4 | No diploma | 98.9 | 97.6 to 100.2 | 436 |
| 5 | Law | 98.3 | 94.1 to 102.5 | 24 |
| 6 | Performing Arts | 97.9 | 92.2 to 103.6 | 26 |
| 7 | Visual Arts | 97.2 | 92 to 102.4 | 40 |
| 8 | Business | 96.8 | 93.1 to 100.5 | 39 |
| 9 | Languages and Literature | 95.9 | 92.5 to 99.3 | 25 |
| 10 | Medicine and Health | 95.5 | 91.2 to 99.8 | 41 |
| 11 | Social Work | 95 | 90.4 to 99.6 | 31 |
Data last updated: 2026-05-07 (latest test submission).
Page refreshed: 2026-05-09 20:27:04.256 UTC (site build time).